Yamaha EMX860ST 取扱説明書

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モデル: EMX860ST

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タイプ: 取扱説明書

Owner’s Manual

SEE REAR PANEL CAUTION.

POWER

PHANTOM

+48V

OFF

–5

–10

–5

–10

•

MONI

LIMITER

VOCAL

L HALL

S HALL

L+R

BRIDGE

STEREO

MAIN

MASTER

EFFECT RTN

MONITOR

EFFECT

REC

OUT

TAPE

OUTPUT

(MONO) R

MAIN(STEREO) MONITORAUX IN

POWERED MIXER

FOOT SW

MICLo-Z

Hi-Z

LINE

EFFECT

OUT

INPUT TO MAIN

DIGITAL

EFFECT

MAIN STEREO

MASTER

POWER

AMP

EFFECT RTNEFFECT OUT

010

–15 +15

AUX IN TAPE IN

125 250 500 1k 2k 4k 8k

(MONO)

MONI

BAL/PAN

EFFECT

MIC

LINELR

(MONO)

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

–12

+12

•

–12

+12

•

–12

+12

•

–12

+12

010

HIGH

MID

LOW

LEVEL

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

MONI

BAL/PAN

EFFECT

010

HIGH

MID

LOW

LEVEL

010010010

010

FCC INFORMATION (U.S.A.)

1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This

product, when installed as indicated in the instructions contained in

this manual, meets FCC requirements. Modifications not expressly

approved by Yamaha may void your authority, granted by the FCC, to

use the product.

2. IMPORTANT: When connecting this product to accessories and/or

another product use only high quality shielded cables. Cable/s supplied

with this product MUST be used. Follow all installation instructions.

Failure to follow instructions could void your FCC authorization to use

this product in the USA.

3. NOTE: This product has been tested and found to comply with the

requirements listed in FCC Regulations, Part 15 for Class “B” digital

devices. Compliance with these requirements provides a reasonable

level of assurance that your use of this product in a residential

environment will not result in harmful interference with other

electronic devices. This equipment generates/uses radio frequencies

and, if not installed and used according to the instructions found in the

users manual, may cause interference harmful to the operation of other

electronic devices. Compliance with FCC regulations does not

guarantee that interference will not occur in all installations. If this

product is found to be the source of interference, which can be

determined by turning the unit “OFF” and “ON”, please try to

eliminate the problem by using one of the following measures:

Relocate either this product or the device that is being affected by the

interference. Utilize power outlets that are on different branch (circuit

breaker or fuse) circuits or install AC line filter/s. In the case of radio

or TV interference, relocate/reorient the antenna. If the antenna lead-in

is 300 ohm ribbon lead, change the lead-in to coaxial type cable. If

these corrective measures do not produce satisfactory results, please

contact the local retailer authorized to distribute this type of product. If

you can not locate the appropriate retailer, please contact Yamaha

Corporation of America, Electronic Service Division, 6600

Orangethorpe Ave, Buena Park, CA 90620

This applies only to products distributed by YAMAHA CORPORA-

TION OF AMERICA.

WARNING: THIS APPARATUS MUST BE EARTHED

IMPORTANT

THE WIRES IN THIS MAINS LEAD ARE COLOURED IN

ACCORDANCE WITH THE FOLLOWING CODE:

GREEN-AND-YELLOW : EARTH

BLUE : NEUTRAL

BROWN : LIVE

As the colours of the wires in the mains lead of this apparatus may

not correspond with the coloured markings identifying the terminals in

your plug, proceed as follows:

The wire which is coloured GREEN and YELLOW must be

connected to the terminal in the plug which is marked by the letter E

or by the safety earth symbol or coloured GREEN and YELLOW.

The wire which is coloured BLUE must be connected to the terminal

which is marked with the letter N or coloured BLACK.

The wire which is coloured BROWN must be connected to the

terminal which is marked with the letter L or coloured RED.

* This applies only to products distributed by YAMAHA KEMBLE

MUSIC (U.K.) LTD.

Important

EMX860ST—Owner’s Manual

Important

Read the Following Before operating the EMX860ST

Warnings

• Do not allow water to enter this unit or allow the unit to become wet. Fire or electrical shock

may result.

• Connect this unit’s power cord only to an AC outlet of the type stated in this Owner's Manual

or as marked on the unit. Failure to do so is a ﬁre and electrical shock hazard.

• Do not scratch, bend, twist, pull, or heat the power cord. A damaged power cord is a ﬁre and

electrical shock hazard.

• Do not place heavy objects, including this unit, on top of the power cord. A damaged power

cord is a ﬁre and electrical shock hazard. In particular, be careful not to place heavy objects on

a power cord covered by a carpet.

• If you notice any abnormality, such as smoke, odor, or noise, or if a foreign object or liquid

gets inside the unit, turn it off immediately. Remove the power cord from the AC outlet.

Consult your dealer for repair. Using the unit in this condition is a ﬁre and electrical shock

hazard.

• Should this unit be dropped or the cabinet be damaged, turn the power switch off, remove the

power plug from the AC outlet, and contact your dealer. If you continue using the unit

without heeding this instruction, ﬁre or electrical shock may result.

• If the power cord is damaged (i.e., cut or a bare wire is exposed), ask your dealer for a

replacement. Using the unit with a damaged power cord is a ﬁre and electrical shock hazard.

• Do not remove the unit's cover. You could receive an electrical shock. If you think internal

inspection, maintenance, or repair is necessary, contact your dealer.

• Do not modify the unit. Doing so is a ﬁre and electrical shock hazard.

Cautions

• Allow enough free space around the unit for normal ventilation. This should be: 20 cm at the

sides, 40 cm behind, and 40 cm above.

These distances should also be adopted when rack-mounting the unit. For normal ventilation

during use, remove the rear of the rack or open a ventilation hole.

If the airﬂow is not adequate, the unit will heat up inside and may cause a ﬁre.

• This unit has ventilation holes at the front, rear and sides to prevent the internal temperature

rising too high. Do not block them. Blocked ventilation holes are a ﬁre hazard.

• Clean the contacts of the phone plug before connecting it to the SPEAKERS jack of this unit.

Dirty contacts may generate heat.

• Use only speaker cables when connecting speakers to ampliﬁer outputs. Using other types of

cables is a ﬁre hazard.

• Hold the power cord plug when disconnecting it from an AC outlet. Never pull the cord. A

damaged power cord is a potential ﬁre and electrical shock hazard.

• Do not touch the power plug with wet hands. Doing so is a potential electrical shock hazard.

Important

EMX860ST—Owner’s Manual

Operating Notes

• The digital circuits of this unit may induce a slight noise into nearby radios and TVs. If noise

occurs, relocate the affected equipment.

• Using a mobile telephone near this unit may induce noise. If noise occurs, use the telephone

away from the unit.

• XLR-type connectors are wired as follows:

pin 1: ground, pin 2: hot (+), and pin 3: cold (–).

• Do not set all equalizer controls and faders to maximum. Doing so may cause oscillation

depending on the condition of the connected unit and speakers, and may damage the

speakers.

• The performance of components with moving contacts, such switches, rotary controls, faders,

and connectors, deteriorates over time. The rate of deterioration depends on the operating

environment and is unavoidable. Consult your dealer about replacing defective components.

Introduction

EMX860ST—Owner’s Manual

Introduction

Thank you for purchasing the Yamaha EMX860ST Powered Mixer. The EMX860ST has

the following features.

In order to take full advantage of the EMX860ST and enjoy long and trouble-free per-

formance, please read this owner’s manual carefully, and keep it in a safe place for

future reference.

Features

• The EMX860ST features eight input channels

that support a wide range of audio sources, from

microphones to line-level devices. The micro-

phone input for each channel has a +48 V phan-

tom powering for use with condenser-type

microphones.

• A built-in independent monitoring power ampli-

ﬁer rated at 200 W, in addition to two powerful

main power ampliﬁers (200 W + 200 W — total

400 W monaural in bridge connection), is capa-

ble of driving stereo main speakers and monitor-

ing speakers on stage simultaneously in a

sophisticated PA system environment.

• Individual seven-band graphic equalizers are

provided to the main and the monitor sections.

In this way, you can individually adjust the vol-

ume level and frequency response of the main

speakers and monitor speakers.

• Two limiter circuits are built-in to prevent exces-

sive input levels to the amp.

• A digital effect with three selectable effect types is

built-in. A variety of effects can be applied to add

reverberation or ambiance to vocals or instru-

mental sounds.

Contents

Front and rear panel ................................6

Control panel............................................ 6

Input/output panel................................... 10

Rear panel................................................ 12

Connections............................................ 13

Basic Operation....................................... 15

Connecting microphones and

instruments ........................................... 15

Sending an independent mix

to the monitor speakers......................... 15

Using the digital effect ............................. 15

Example setups ....................................... 16

As a conference PA system/

installed sound system........................... 16

As a band PA............................................ 18

Troubleshooting...................................... 20

Specifications.......................................... 21

General specifications............................... 21

Input specifications .................................. 22

Output specifications ............................... 22

Dimensions .............................................. 23

Block and Level diagram........................... 23

Front and rear panel

EMX860ST—Owner’s Manual

Front and rear panel

Control panel

■

Channel section

Use these controls to adjust factors such as the

equalization, (frequency response), volume,

effect and monitor output level for the input sig-

nal to each channel.

Equalizer controls (HIGH, MID, LOW)

This is a 3-band equalizer that adjusts the high

frequency range, mid frequency range, and low

frequency range of each channel. Response is ﬂat

when the knobs are in the

▼

position. Rotating it

toward the right will boost the corresponding fre-

quency band, and rotating it toward the left will

cut it.

The base frequency (or center frequency), range

of boost or cut, and equalizer type of each band

are as follows.

HIGH: 10 kHz

15 dB shelving type

MID: 2.5 kHz

15 dB peaking type

LOW: 100 Hz

15 dB shelving type

Monitor controls (MONI)

For each channel, this controls the amount of sig-

nal that is sent to the MONI bus.

The signal of the MONI bus is sent to the speak-

ers connected to the MONITOR A/B jacks and to

the MONITOR jacks (input/output panel

Effect control (EFFECT)

For each channel, this controls the amount of sig-

nal that is sent to the EFFECT bus.

The signal of the EFFECT bus passes through the

EFFECT section and the built-in digital effect,

and is sent to the external effect device connected

to the EFFECT OUT jacks (input/output panel

PAN control (BAL/PAN control for CH7/8)

This knob adjusts the stereo image (L/R) for each

channel. Adjust for equal volume on left and

right with a sound source input to the CH7 and 8

LINE connectors (L/R).

Level control (LEVEL)

This adjusts the output level for each channel.

Pad switch (PAD) (1–6 only)

This switch attenuates the input signal by 30 dB.

When connecting a line level device to channels

1–6, or if the mic input is distorted, turn this

switch on (the pressed-in position).

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

Note:

The signal is sent to the MONITOR bus

from a location before the level control (

) of

each channel. This means that it will not be af-

fected by the setting of the LEVEL control.

Note:

The signal is sent to the EFFECT bus

from a location after the level control (

) of

each channel. This means that the amount of

signal that is sent to the EFFECT bus will be af-

fected not only by the setting of the effect con-

trol, but also by the setting of the level control.

Control panel

EMX860ST—Owner’s Manual

■

DIGITAL EFFECT section

This section allows you to turn the built-in digital

effect on/off and to select the effect type.

Effect select switch

Select the effect type for the built-in digital effect.

DIGITAL EFFECT ON switch

Use this switch to turn the digital effect on and

off. When this switch is on, the effect bus signal

processed with the built-in digital effect is sent to

the ST bus and MONI bus. The mix level of the

effect sound is adjusted with the EFFECT RTN

control in the MAIN and MONITOR sectins.

■

EFFECT section

This section allows you to adjust the level of the

signal sent from the EFFECT bus to an external

effect device.

EFFECT OUT control

This adjusts the effect send level for an external

effect device connected to the EFFECT OUT jack

(input/output panel

VOCAL

L HALL

S HALL

DIGITAL

EFFECT

Note:

The EFFECT OUT control does not affect

the level sent to the built-in digital effect.

EFFECT

EFFECT OUT

010

Front and rear panel

EMX860ST—Owner’s Manual

■

MONITOR section

This section allows you to adjust the tone and

volume of the MONITOR bus, and specify the

mix level of the built-in digital effect.

Graphic equalizer

The EMX860ST has a 7-band graphic equalizer

for adjusting the frequency response of the

MONI bus signal. This allows you to cut or boost

each frequency band by a maximum of

12dB.

You can use these sliders to reduce the level of fre-

quency bands at which feedback easily occurs.

Frequency response is ﬂat when a slider is in the

center position. Moving a slider in the positive

direction will boost, and in the negative direction

will cut.

These graphic equalizer settings affect both the

MONI bus signal output to the speakers and the

line level signal sent from MONITOR jack signal

(input/output panel

EFFECT RTN control

This control adjusts the effect signal level sent to

the MONI bus from the built-in digital effect.

MASTER control

This control adjusts the MONI bus signal output

level.

This setting is output to both the front and rear

panel MONITOR jacks and appears in the MONI

bus signal.

Peak level indicator

This indicator allows you to monitor the level of

the signal which is output from the MONITOR

jack (input/output panel

■

MAIN section

This section allows you to adjust the tone and

volume of the ST bus, the mix level of the built-in

effect, and the mix level of the external input.

Graphic equalizer

The EMX860ST has a 7-band graphic equalizer

for adjusting the frequency response of the ST

bus signal. This allows you to cut or boost each

frequency band by a maximum of

12dB.

These graphic equalizer settings affect both the

ST bus signal output to the speakers and the line

level signal output from the MAIN (STEREO)

jack (input/output panel

EFFECT RTN control

Use this control to adjust the effect signal sent to the

ST bus from the built-in digital effect.

AUX IN control

This adjusts the amount of signal that is sent

from the AUX IN jack to the ST bus.

TAPE IN

This adjusts the amount of signal that is sent

from the TAPE IN jacks to the ST bus.

MASTER control

This control adjusts the ST bus signal output

level. This setting is output to the SPEAKERS L/

R/L+R, BRIDGE jacks and the MAIN (STEREO)

jack on the rear panel and appears in the ST bus

signal.

Peak level indicator

This indicator allows you to monitor the level of

the signal which is output from the MAIN (STE-

REO) jack (input/output panel

Note:

To avoid distortion, adjust the MASTER

control (

) so that the 0 indicator lights occa-

sionally.

010

–5

–10

•

MASTER

EFFECT RTN

MONITOR

125 250 500 1k 2k 4k 8k

–12

+12

•

–12

+12

010

Note:

To avoid distortion, adjust the MASTER

control (

) so that the 0 indicator lights occa-

sionally.

–5

–10

MAIN STEREO

MASTER

EFFECT RTN AUX IN TAPE IN

125 250 500 1k 2k 4k 8k

•

–12

+12

•

–12

+12

010

010010

010

Control panel

EMX860ST—Owner’s Manual

■

POWER AMP section

This section allows you to select the signals that

will be output from the built-in three-channel

power ampliﬁer, and to select the BRIDGE mode.

LIMITER indicator

This indicator lights up when the level of the sig-

nal output from the power amp section reaches

the maximum and the limiter is activated. Adjust

appropriate control so that the indicator lights up

for only a short while when the signal reaches the

maximum level.

Stereo/Bridge select switch

Select a signal route depending on the speakers

connected to the SPEAKERS L/R/L+R BRIDGE

jacks

on the rear panel.

• L+R BRIDGE

The monaural signal mixed in the L and R chan-

nels of the ST bus is output to the SPEAKERS

L+R BRIDGE jack. However, the ST bus signal

output from MAIN (STEREO) jack is still a ste-

reo signal. A bridge connection is then made

between the stereo power amps (200 W+200 W)

to use them as a 400 W monaural power amp.

• STEREO

MAIN bus signals are output from the POWER-

AMP 1 A/B and POWER AMP 2 A/B jacks. Only

the MASTER control

is effective.

■

POWER indicator & PHANTOM

switch

POWER indicator

This indicator will light when the power of the

EMX860ST is turned on.

PHANTOM +48 V switch

This switch turns the phantom power supply on/

off for the Lo-Z input jacks of channels 1–6 and

MIC input jacks of channels 7–8.

Note: The indicator lights up or flashes for a

longer duration if the power amp section is sig-

nificantly overloaded, which could result in

malfunction. Avoid such a situation.

MONI

LIMITER

L+R

BRIDGE

STEREO

MAIN

POWER

AMP

POWER

PHANTOM

+48V

OFF

10 Front and rear panel

EMX860ST—Owner’s Manual

Input/output panel

1 Channel input jacks (Hi-Z, Lo-Z) 1–6

These are the input jacks for channels 1–6. By

using the PAD switches (control panel 6) you

can connect any of the jacks to a wide range of

sources from mics to line level devices (synthesiz-

ers or rhythm boxes etc.). The Lo-Z jacks can

provide +48 V phantom power, allowing you to

use condenser microphones.

Both Hi-Z and Lo-Z are balanced, and are com-

patible with microphones of output impedance

50–600Ω or line level devices of 600Ω. The nom-

inal input level is from –40 dB to –10 dB for the

Hi-Z jacks, and from –50 dB to –20 dB for the

Lo-Z jacks.

Pin connections for the Hi-Z and Lo-Z jacks are

as follows.

2 Channel input jacks (MIC/LINE) 7–8

These are the input jacks for channels 7–8.

Connect microphones to the MIC jacks. Connect

line-level devices, such as synthesizers to LINE L

(MONO)/R jacks if the devices are stereo sound

sources. Use the LINE L (MONO) jack if the

devices are monaural sound sources.

The MIC jacks are balanced, and are compatible

with microphones of output impedance 50–

600Ω. The LINE jacks are unbalanced, and are

compatible with line level devices of 600Ω output

impedance. Nominal input level is –50 dB for the

MIC jacks and –20 dB for the LINE jacks.

3 Effect output jack (EFFECT OUT)

The input of an external effect such as a delay or

echo can be connected to this jack. The signal

adjusted by the EFFECT control of each channel

will be sent to the EFFECT bus, its level adjusted

by the EFFECT OUT control, and output from

this jack.

The nominal output level and impedance are

+4 dB/10 kΩ.

4 Foot switch jack (FOOT SW)

You can connect a Yamaha FC5 foot switch (sold

separately) to this jack and use it to turn the

built-in digital effect on and off. The Digital

Effect ON switch on the front panel must always

be set to ON in order to use the foot switch.

REC

OUT

TAPE

OUTPUT

(MONO) R

MAIN(STEREO) MONITORAUX IN

POWERED MIXER

FOOT SW

MICLo-Z

Hi-Z

LINE

EFFECT

OUT

INPUT TO MAIN

(MONO)

MIC

LINELR

(MONO)

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

21 43

Lo-Z jacks

(XLR type)

Hi-Z jacks

(TRS phone jacks)

Pin 1: ground Sleeve: ground

Pin 2: hot (+) Tip: hot (+)

Pin 3: cold (–) Ring: cold (–)

Note: It is not possible to simultaneously use

both the Hi-Z and Lo-Z inputs of a given chan-

nel. For each channel, use only one of the inputs

as appropriate for the input source.

Phantom power is switched on/off in simulta-

neously for channels 1–8. For this reason,

devices which do not require phantom power

must be connected to the Hi-Z or LINE jacks if

the PHANTOM +48 V switch (control panel

M) is on.

GND

RST

GND

Note: The MIC and LINE inputs for channel 7

can be used simultaneously but their levels can-

not be adjusted separately (Same for channel 8.)

Input/output panel 11

EMX860ST—Owner’s Manual

5 AUX IN/TAPE IN jacks

These are input jacks that allow the signal from

an external device to be added to the MAIN out-

put.

• AUX IN jacks: Connect these jacks to the

output jacks of an external effects processor.

If the effects processor has a stereo output,

connect it to the AUX IN L (MONO) and R

jacks. If it has monaural output, use the AUX

IN L (MONO) jack. Signal input to these

jacks is sent to the ST bus.

• TAPE IN jacks: Use these jacks to connect a

stereo device, such as a cassette player or a

CD player. The signals input to these jacks is

sent to the ST bus.

The nominal input level and impedance are –10 dB/

600Ω for the AUX IN jack, and –10 dBV/600Ω

for the TAPE IN jacks.

6 REC OUT/MONITOR/MAIN (STEREO)

jacks

These are output jacks which send line level sig-

nals from the EMX860ST to external devices. A

stereo recording device such as a cassette recorder

or MD recorder can be connected to the REC

OUT jacks, and a playback device such a power

amp can be connected to the MONITOR and

MAIN (STEREO) jacks. The signals sent from

each jack are as follows.

• REC OUT jacks: The ST bus signal before it

has passed through the MASTER control

and graphic equalizer

• MONITOR jack: The MONI bus signal

which has passed through the Monitor MAS-

TER control and graphic equalizer

• MAIN (STEREO) jack: The ST bus signal

which has passed through the Main MAS-

TER control and graphic equalizer

The nominal output level and impedance are

–10 dBV/10 kΩ for the REC OUT jacks, and

+4 dB/10 kΩ for the MONITOR/MAIN (STE-

REO) jacks.

12 Front and rear panel

EMX860ST—Owner’s Manual

Rear panel

1 SPEAKERS MONITOR jacks

Connect monitoring speakers to these jacks.

MONI bus signals adjusted at the MONITOR

section are output from these jacks. The SPEAK-

ERS MONITOR A and B jacks are internally con-

nected in parallel, and output the same signals.

You can connect speakers with an impedance of

4–8Ω to either or both the A or B jacks. You can

connect speakers with an impedance of 8–16Ω to

both pairs.

2 SPEAKERS L/R/L+R BRIDGE jacks

Use these jacks to connect the main speakers.

These jacks output ST bus signals that are

adjusted at the MASTER section. The speaker

connection varies depending on the setting of the

stereo/bridge select switch.

■ When the Stereo/Bridge select

switch is set to STEREO (2-chan-

nel connection)

L/R channel signals are routed from the ST bus to

the SPEAKERS L/R jacks. The SPEAKERS L A/B

jacks are internally wired in parallel and output

the same signals. You can connect a pair of speak-

ers with an impedance of 4–8Ω to either or both

the A or B pair of the SPEAKER L/R jacks (total

of two speakers). You can connect two pairs of

speakers with an impedance of 8–16Ω to both A

and B pairs or the SPEAKER L/R jacks (total of

four speakers).

This connection provides a maximum output of

200 W + 200 W.

■ When the Stereo/Bridge select

switch is set to L+R BRIDGE

(BRIDGE connection)

L/R channel signals are mixed in the ST bus and

routed to the SPEAKERS L+R BRIDGE jack as a

monaural signal. You can connect only one

speaker with an impedance of 8–16 Ω to the

SPEAKERS L+R BRIDGE jack. This connection

provides the maximum output of 400 W.

3 Power switch

This switch turns the power of the EMX860ST

on/off.

SPEAKERS

POWER

BABAB

ON/ OFF

MONITOR

L+R

BRIDGE

Note: Do not connect any devices other than

speakers to these jacks. Do not confuse these

jacks with the MONITOR jacks on the I/O pan-

el.

Note: Do not connect anything to the SPEAK-

ERS L+R BRIDGE jack when you are using this

2-channel connection.

Note: Do not connect anything to the SPEAK-

ERS L/R jacks if you use this BRIDGE connec-

tion.

Note: Before turning the EMX860ST on/off,

turn down fully the MASTER controls of the

MONITOR and MAIN section.

Connections 13

EMX860ST—Owner’s Manual

Connections

When connecting various devices, make sure the cables and plugs have the correct rating.

Be sure to use cables designed for the purpose when you connect speakers to speaker jacks.

■ Connecting monitoring speakers

You can connect one or two speakers to the SPEAKERS MONITOR jacks. Speaker impedance varies with the

number of speakers that are connected. Be sure to maintain speaker impedance at the speciﬁed value or

higher. Refer to the ﬁgure below.

■ Connecting main speakers

If you select the two-channel connection, connect the speakers to the SPEAKERS L/R jacks. If you select the

BRIDGE connection, connect the speakers to the SPEAKERS L+R BRIDGE jack. Depending on the number

of connected speakers and the type of connection, speaker impedance requirements vary. Be sure to maintain

speaker impedance at the speciﬁed value or higher. Refer to the ﬁgure below.

BBA

MONITOR

BBA

MONITOR

4Ω–8Ω 8Ω–16Ω 8Ω–16Ω

Connecting one speaker: Connecting two speakers:

SPEAKERS

BABA

L+R

BRIDGE

SPEAKERS

BABA

L+R

BRIDGE

4Ω–8Ω 8Ω–16Ω 8Ω–16Ω 8Ω–16Ω 8Ω–16Ω4Ω–8Ω

L+R

BRIDGE

STEREO

SPEAKERS

BABA

L+R

BRIDGE

8Ω–16Ω

L+R

BRIDGE

STEREO

Two-channel connection

Stereo/Bridge

select switch

Stereo/Bridge

select switch

BRIDGE connection

Not used Not used

Not usedNot used

14 Connections

EMX860ST—Owner’s Manual

■ Example connections

REC

OUT

TAPE

OUTPUT

(MONO) R

MAIN(STEREO) MONITORAUX IN

POWERED MIXER

FOOT SW

MICLo-Z

Hi-Z

LINE

EFFECT

OUT

INPUT TO MAIN

(MONO)

MIC

LINELR

(MONO)

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Cassette Deck

Foot switch

(YAMAHA FC5)

Microphone

Monitor Speakers

Main Speakers

Synthesizer, Drum Box

Powe AMP

Effect Processor

CD Player

* Speakers normally connect to the jacks on

the rear panel. When more speaker outputs

are needed, use the MAIN (STEREO) jacks

are for stereo output and the MONITOR

jack is for monaural output.

Basic Operation 15

EMX860ST—Owner’s Manual

Basic Operation

Connecting microphones

and instruments

1 Before connecting mics or instruments,

make sure that the power of all equip-

ment (where applicable) is turned off.

Also make sure that the level controls of

each channel of the EMX860ST and the

MASTER control of the MAIN section are

turned down.

2 Connect cables to your mics and instru-

ments, and insert the other end of the

cable ﬁrmly into the appropriate Lo-Z/Hi-

Z jack (channels 1–6) or the MIC/LINE

jack (channels 7–8).

3 Turn the power on in the order of periph-

eral devices ➞ EMX860ST.

4 Set the MAIN section MASTER control to

the √√

√√

position.

Adjusts the stereo image of each channel using

the PAN controls. (Adjust the balance between

the left and right volume levels of the sound

sources connected to the LINE connectors L/R

for channels 7 and 8 using the BAL/PAN con-

trols.)

5 While speaking into the mic (while play-

ing the instrument), adjust the channel

LEVEL control so that the 0 LED of the

MAIN section peak level meter lights

occasionally.

6 If you wish to adjust the tone of each

channel, rotate the equalizer controls as

desired.

7 Use the MAIN section graphic equalizer

and MASTER control to adjust the overall

volume and tone.

Sending an independent

mix to the monitor speakers

1 Set the MONITOR section MASTER con-

trol to the √√

√√

position.

2 Adjust the MONI control to increase the

level of the channel you want to hear

from the monitor speaker, and also adjust

so that the peak level meter 0 LED of the

monitor section lights up occasionally.

3 Use the graphic equalizers and MASTER

controls of the MAIN/MONITOR sections

to adjust the overall volume and tone.

Using the digital effect

The EMX860ST has a built-in digital effect,

allowing reverberation or ambiance to be added

to vocals or instrumental sounds.

1 Connect a mic or instrument to the

desired channels, and adjust the volume

and tone.

2 Press the DIGITAL EFFECT ON switch of

the DIGITAL EFFECT section.

3 Use the effect select switches of the DIGI-

TAL EFFECT section to select the effect

type.

VOCAL ...... Reverb appropriate for vocals.

L. HALL...... Reverb typical of a large hall.

S. HALL...... Reverb typical of a small hall.

4 Raise the EFFECT control of the channels

to which you wish to apply the digital

effect.

5 Use the MAIN/MONITOR section EFFECT

RTN control to adjust the level of the

sound processed by the effect.

Note: When connecting a line level device to

channels 1–6, turn on the PAD switch.

You cannot use a channel’s Lo-Z and Hi-Z

jacks, and MIC and LINE jacks at the same

time.

Note: When turning the power off, reverse this

sequence.

Note: The MONI controls are not affected by

the level settings of each channel. This allows

you to create a mix that is independent of the

MAIN section.

Note: If the effect sound is distorted even if the

EFFECT RTN is turned all the way down, lower

the EFFECT controls of each channel.

16 Example setups

EMX860ST—Owner’s Manual

Example setups

This section provides some ways in which the EMX860ST can be used, and explains connections and opera-

tion.

As a conference PA system/installed sound system

This example shows the EMX860ST used as a conference PA system or sound system. A sound mix different

from that of the main speakers can be sent to the monitor amp connected to the SPEAKERS MONITOR

jacks.

Connections

• Connect mics to channel inputs 1–8.

• If you wish to use an external device such as a CD

player or LD player, connect the outputs of the

device to the TAPE IN jacks of the EMX860ST.

• If you wish to record the audio from the mics to a

cassette deck, connect the REC OUT jacks of the

EMX860ST to the input jacks of the cassette deck

• Connect the main speakers to the SPEAKERS L

A/B jacks and the SPEAKERS R A/B jacks.

• Connect the monitor speakers to the SPEAKERS

MONITOR A/B jacks.

SEE REAR PANEL CAUTION.

POWER

PHANTOM

+48V

OFF

–5

–10

–5

–10

•

MONI

LIMITER

VOCAL

L HALL

S HALL

L+R

BRIDGE

STEREO

MAIN

MASTER

EFFECT RTN

MONITOR

EFFECT

REC

OUT

TAPE

OUTPUT

(MONO) R

MAIN(STEREO) MONITORAUX IN

POWERED MIXER

FOOT SW

MICLo-Z

Hi-Z

LINE

EFFECT

OUT

INPUT TO MAIN

DIGITAL

EFFECT

MAIN STEREO

MASTER

POWER

AMP

EFFECT RTNEFFECT OUT

010

–15 +15

AUX IN TAPE IN

125 250 500 1k 2k 4k 8k

(MONO)

MONI

BAL/PAN

EFFECT

MIC

LINELR

(MONO)

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

–12

+12

•

–12

+12

•

–12

+12

•

–12

+12

010

HIGH

MID

LOW

LEVEL

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

MONI

BAL/PAN

EFFECT

010

HIGH

MID

LOW

LEVEL

010010010

010

Main Speakers

SPEAKERS L A/B

SPEAKERS MONITOR A

SPEAKERS

MONITOR B

SPEAKERS R A/B

Microphone

Cassette Deck

CD Player

L+R

BRIDGE

STEREO

Monitor Speakers

Note: You can connect a stereo playback device,

such as a CD player or an LD player, to channels

7–8 LINE inputs. The MIC and LINE inputs of

channel 7 can be used simultaneously but their

levels cannot be separately adjusted. (Same for

channel 8)

As a conference PA system/installed sound system 17

EMX860ST—Owner’s Manual

Playing back a CD player

1 Turn the power on in the order of periph-

eral devices ➞ EMX860ST.

2 Adjust the MASTER control of the MAIN

section to the √√

√√

position.

3 Start playback on the CD player, and use

the MAIN section TAPE IN control to

adjust the level so that the 0 LED of the

MAIN section peak level meter does not

light.

18 Example setups

EMX860ST—Owner’s Manual

As a band PA

Here is an example of using the EMX860ST as a small PA for a band. In this example, an external effect such

as delay or reverb is also being used.

Connections

• Connect mics or instruments, such as keyboards,

to the channel input jacks 1–8.

• Connect the main speakers to the SPEAKERS L/

R’s A/B jacks, and connect the monitor speakers

to the SPEAKERS MONITOR’s A/B jacks.

• Connect the monitor speakers to the SPEAKERS

MONITOR A/B jacks.

• If you will be using an external effect such as

delay or reverb, connect the EMX860ST’s

EFFECT OUT jack to the input jack of the exter-

nal effect, and connect the output jack of the

external effect to the EMX860ST’s AUX IN jack.

SEE REAR PANEL CAUTION.

POWER

PHANTOM

+48V

OFF

–5

–10

–5

–10

•

MONI

LIMITER

VOCAL

L HALL

S HALL

L+R

BRIDGE

STEREO

MAIN

MASTER

EFFECT RTN

MONITOR

EFFECT

REC

OUT

TAPE

OUTPUT

(MONO)

MAIN(STEREO) MONITORAUX IN

POWERED MIXER

FOOT SW

MICLo-Z

Hi-Z

LINE

EFFECT

OUT

INPUT TO MAIN

DIGITAL

EFFECT

MAIN STEREO

MASTER

POWER

AMP

EFFECT RTNEFFECT OUT

010

–15 +15

AUX IN TAPE IN

125 250 500 1k 2k 4k 8k

(MONO)

MONI

BAL/PAN

EFFECT

MIC

LINELR

(MONO)

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

Lo-Z

Hi-Z

–12

+12

•

–12

+12

•

–12

+12

•

–12

+12

010

HIGH

MID

LOW

LEVEL

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

010

LEVEL

LOW

PAD

MONI

PAN

EFFECT

MID

HIGH

010

–15 +15

MONI

BAL/PAN

EFFECT

010

HIGH

MID

LOW

LEVEL

010010010

010

Main Speakers

Microphone

L+R

BRIDGE

STEREO

Monitor Speakers

Guitar

Bass Guitar

Direct

Box

Guiter Effect

Processor

Effect Processor

Synthesizer

Note: Set the power amp select switch of the

POWER AMP section to the “MAIN MONI-

TOR” position.

If you are using an external effect, we recom-

mend that you turn down the EFFECT RTN

controls of the MAIN and MONITOR sections.

If the external effect has a stereo output, it is

possible to connect its output jacks to the LINE

jacks of channels 5–6. However in this case, be

sure that the EFFECT controls are turned all the

way down for the channels into which the effect

sound is being input. If the EFFECT controls

are raised, feedback will occur, and your speak-

ers may be damaged.

As a band PA 19

EMX860ST—Owner’s Manual

Using an external effect

1 Set the EFFECT section EFFECT OUT con-

trol to the √√

√√

position.

2 Raise the EFFECT controls for the channels

to which you want the external effect to

be applied.

3 Adjust the input level of the external

effect so that the sound is not distorted at

the input of the external effect.

4 Use the MAIN section AUX IN control to

adjust the level of the sound processed by

the effect.

20 Troubleshooting

EMX860ST—Owner’s Manual

Troubleshooting

The following table describes the possible malfunctions of this device, and the appropriate actions to be taken in

each case.

Problem Cause Action

Sound is no

longer out-

put from the

speakers.

The POWER

indicator is

dark.

The load on this device was too great, and

the protection circuit for the internal

transformer

has operated. Possible rea-

sons for the excessive load are an exces-

sive input to the device, or inappropriate

ventilation.

Please wait. When the device cools off, normal opera-

tion will resume automatically. However, please

check the following two points to prevent the problem

from recurring.

If the input to this device is greater than the nominal

level, lower the input to the nominal level. If the

device is not ventilated sufﬁciently, refer to the cau-

tions given at the beginning of this manual and take

appropriate measures to insure adequate ventilation.

The POWER

indicator is lit.

The load on the ampliﬁer of this device

was too great, and

the protection circuit

for the ampliﬁer

has operated. Possible

reasons for the excessive load are an

excessive level setting in the channel con-

trol section or main section, insufﬁcient

ventilation, or insufﬁcient load imped-

ance of the connected speakers.

Please wait. When the device cools off, normal opera-

tion will resume automatically. However, please

check the following three points to prevent the prob-

lem from recurring.

If the level setting is excessive, lower it to the nomi-

nal level. You can refer to the peak level indicators of

the main section when doing so.

If the device is not ventilated sufﬁciently, refer to the

cautions given at the beginning of this manual and

take appropriate measures to insure adequate ventila-

tion.

If the load impedance (including a short) is too low,

refer to the chapter on connections (page 13) and

change the connections so that the impedance is cor-

rect.

Other

Connections between devices have come

loose.

Inspect the connections, and correct any faulty con-

nections.

Other The device may have malfunctioned. Please contact

your dealer.

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