Tube Tech SMC 2B Multiband Opto Compressor - Manual (Page 3)

Lydkraft ApS
Mose Allé 20, DK2610 Rødovre
Denmark
3
ADJUSTMENT PROCEDURE:
CAUTION:
Before making any adjustment let the unit heat-up at least 10 min.
Always check the DC voltages at the power supply.
1) The DC voltage in TP201 shall be +280V (265-295).
2) The DC voltage in TP203 shall be +15,0V (14,7-15,3).
3) The DC voltage in TP204 shall be -15,0V (14,7-15,3).
ADJUSTMENT OF PSU:
1) The DC voltage in TP202 shall be +240V.
Adjust with P202.
THE GRE SHALL BE MARKED 1.005-1.175
ADJUSTMENT OF BASIC GAIN:
1) Set the “OUTPUT GAIN” on “+10”.
2) Set the Low-
Mid and High “Gain” on “+10”.
3) Apply a signal of 1 kHz, -20,0 dBU to input.
9) Adjust the preset “Gain” P1 (P101) (on amp/psu PCB) to an output reading of 0,0 dBU.
ADJUSTMENT OF COMPRESSION:
LOW BAND:
1) Turn all the THRESHOLD-controls fully counter-clockwise.
2) Turn the LOW BAND GAIN-control fully clockwise.
3) Turn the MID BAND and HIGH BAND GAIN-control fully counter-clockwise.
4) Set the X-OVER LOW at 300 (1,2k).
5) Set the X-OVER LOW multiplier at x4.
(030318)