Manley Stereo Variable Mu - Mastering Version 

Detented and logable steps

1% metal film resistors on sealed gold-contact Grayhill switches

Expensive Greyhill rotary switches with gold contacts

No conductive plastic pots

Ten fold improvement in precision

Great left-right matching

INPUT LEVEL is a five position switch

Generic optimum setting of “0” in the 12:00 position

2 dB step with reference Unity Gain at "0"

OUTPUT Attenuators are in 0.5 dB steps

Reference Unity is -11.5 or fully counter-clockwise

Threshold in 0.5dB steps calibrated to LIMIT mode

Threshold in 0.25dB steps calibrated to COMPRESS mode

Expended attack Time

Recovery 5 position switch same as a regular Variable Mu