Frequency Response
EXP IN to/from Channel, EXP IN to/from EXP OUT, Channel to Speaker: 200 Hz to 8 kHz
+1/-3 dB
Total Harmonic Distortion: Less than 0.5 %
Connector Pin-outs
12-15 VDC Jack
Connector Type: 2.0 mm DC jack
Internal pin: + 12 to 15 VDC
External Ring: Common
EXP IN Jack
Connector Type: 1/8" (2.0 m) stereo phone jack
Tip: Listen input
Ring: Talk output
Sleeve: Common
EXP OUT Jack
Connector Type: 1/8" (2.0 m) stereo phone jack
Tip: Talk output
Ring: Listen input
Sleeve: Common
SPEAKER Jacks
Connector Type: RCA Phono jack
Tip: Speaker output high
Sleeve: Common
PROGRAM INPUTS Connector
Connector Type: DB9F Female, 9-pin D-subminature
Pin 1: Common
Pin 2: Channel 3 program in low
Pin 3: Channel 4 program in low
Pin 4: Channel 5 program in low
Pin 5: Channel 6 program in low
Pin 6: Channel 3 program in high
Pin 7: Channel 4 program in high
Pin 8: Channel 5 program in high
Pin 9: Channel 6 program in high
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