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Ampeg Opto Comp User Manual

Ampeg Opto Comp
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7
Opto Comp Analog Optical Compressor
Block Diagram
OUTPUTINPUT
TRUE-BYPASS SWITCHING PATH
HEAVY-DUTY
FOOTSWITCH
INPUT
SIGNAL
PAD
(O dB / –15 dB)
HI-Z
JFET
BUFFER
AC-TO-DC
LEVEL
DETECTOR
OPTO
ISOLATOR
GAIN
REDUCTION
AMPLIFIER
RELEASE
TIME
CONTROL
OUTPUT LEVEL
GAIN
CONTROL
COMPRESSION
RATIO
CONTROL

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Quick Start Guide6 pages

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Ampeg Opto Comp Specifications

Power IconPower
internal power requirement9V Battery
external power requirement9V DC, ≥25 mA, center negative
Audio Specifications IconAudio Specifications
signal-to-noise ratio80 dB
maximum gain+14 dB
compression ratio minimum1:1
compression ratio maximum10:1
release time minimum75 milliseconds
release time maximum600 milliseconds
output level gainMute to +14 dB
Impedance IconImpedance
input impedance1 M @ NORMAL
input impedance with pad166 k w/–15 dB PAD
output impedance200
Weight and Dimensions IconWeight and Dimensions
size2.2 in x 2.6 in x 4.5 in, 56 mm x 66 mm x 114 mm
weight0.6 lb / 0.3 kg
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