Manley Stereo Variable MU, Owner'S Manual

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SPECIFICATIONS
Electronics Transformer Input, 3 dual triodes in balanced symmetrical
variable mu circuit / line amp and Transformer Output per
channel. Vacuum tube audio rectification for side chain.
Custom Meters, Attenuators, etc. Input and output
transformers designed by David Manley and wound in-
house at Manley Lab's magnetics department.
Input Impedance 600 ohms Balanced, PIN 2 HOT
Output Impedance 600 ohms Balanced, PIN 2 HOT
Gain (line amplifier) 3O dB Minimum, 35 dB typical
Maximum Input +36 dB (52 V RMS) (estimated for 1% THD)
Input attenuator is before input transformer
GR Thresholds Onset of LIMIT -20 dBM to +10 dBM (input at 9:00)
Onset of COMPRESS -10 dBM to +10 dBM "
Maximum Output +30 dB (26 V RMS) (26 dB headroom)
Output attenuator is T pad after Output Transformer
Noise Floor -80 dB : 20Hz to 80Khz: -90 dB typical
Distortion .1 % at unity gain 100 Hz to 3 Khz typical
.2 %: 20Hz to 10Khz at typical settings
Frequency Response +/- 1dB from 20 Hz to 20 Khz
Recovery Time .2 sec , .4 sec, .6 sec , 4 sec , 8 sec
Attack Time 25 ms (Fast) (50 mS at 12:00) to 70 ms (Slow)
Applications Professional audio recording, mixing and mastering.
Power Consumption 48 watts
Fuse type: 2 Amp slo-blo
Tubes: 2 X 5670
2X 12AL5
2 X 7044 / 5687 Direct replacement.
2 X 5751 / 12AX7 Direct replacement.
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