Vintage David Miller design70's Class A electronicsCompletely hand-assembledDistortion-free Opto attenuator compressor system0 - 20 dB gain reductionMaximum output level of 32 dBuLow THD + noise, less than .02%Link switch (on both models) and a true relay bypass switchSilver soldering on all connectionsCircuit board made with 3 ounce copperTransformer balanced XLR in and out connections+4 / +14 dBu meter level switch (on stereo version only)Switchable 115/230 VAC operation
INPUT IMPEDANCE:
15K with Transformer 1, Balanced, Pin 2 hot
1.2K with Transformer 2, Balanced, Pin 2 hot
OUTPUT IMPEDANCE:
75 Balanced, Pin 2 hot
FREQUENCY RESPONSE:
± 0.25dB, 20 Hz to 20 kHz
- 2dB at 10 Hz, -2dB at 68 kHz with Transformer 1
- 2dB at 10 Hz, -2dB at 120 kHz with Transformer 2
NOISE:
less than -80 dB, 20 Hz to 80 kHz, -92 dB typical below operating level
DISTORTION:
less than .02% THD at unity gain, 4 dBu input level
.1% THD at 24 dBu input level
MAXIMUM OUTPUT:
+ 32 dBu into 600
GAIN REDUCTION RANGE:
0 ~ 20 dB
ATTACK:
5, 30, 60, 100, 150 milliseconds
RELEASE:
.1, .3, .6, 2, 6 seconds
GAIN REDUCTION ELEMENT:
LD1 forward biased optical resistive module
METER:
dB Gain Reduction
dB Input, dB Output (0VU = + 4dBu)
POWER REQUIREMENTS:
15 watts, 115 / 230 VAC, 50 / 60Hz
FUSE TYPE:
3AG slo-blo, ½ Amp for 115 VAC mains, ¼ Amp for 230 VAC mains
DIMENSIONS:
19" Rackmount 2U Chassis
DEPTH:
7" (180mm)
WEIGHT:
15 pounds (7 kg)
