ECO-A1/ECO-A2/ECO-A3
ECO-A
ECO-A2 (ECO-A1x2)ECO-A1
ECO-A1 ECO-A2 ECO-A3
ECO-A3 (ECO-A1x3)
80 12000Hz
53dBV pa 2 2mv pa
500
51x175 L mm
210g
ECO-A2
HM 9B
LBECOA3200
dB
10
-10
-20
20 50 100 200 500 1000 2000 5000 10000 20000 Hz
0
A1
A2 A3
OK OK
HM 9B
HM 9B HM 9B
ECO-A
http superlux tw
-
1
