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Tube Tech SMC 2BM Multiband Mastering Opto Compressor User Manual

Page 4

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Lydkraft ApS

Mose Allé 20, DK2610 Rødovre

Denmark

4

6) Apply a signal of 100 Hz, (approx. -20 dBU) to the input and adjust the input level

for an output reading of 0,0dBU.

7)

Move

t

he

j

umper

on

t

he

l

ow

band

si

de

chai

n

PCB

t

o

ADJUST”

and

obser

ve

t

hat

the output level has dropped to -10,0 dBU in both channels.

8) If this is not the case, adjust the balance P 6 to an equal reading for both channels.

9) Adjust the gain reduction with P 5, to obtain a drop of -10,0 dB.

10) Repeat step 8 and 9.

11) Adjust the low band display with P 7 so the green -10 LED turns on and the

green -7 LED just turns off

MID BAND:

1) Turn all the THRESHOLD-controls fully counter-clockwise.

2) Turn the MID BAND GAIN-control fully clockwise.

3) Turn the LOW BAND and HIGH BAND GAIN-control fully counter-clockwise.

4) Set the X-OVER LOW at 60 (300).

5) Set the X-OVER LOW multiplier at x1.

6) Set the X-OVER HIGH at 6k.

7) Apply a signal of 400 Hz, (approx. -20 dBU) to the input and adjust the input level

for an output reading of 0,0dBU.

8) M

ove

t

he

j

umper

on

t

he

l

ow

band

si

de

chai

n

PCB

t

o

ADJUST”

and

obser

ve

t

hat

the output level has dropped to -10,0 dBU in both channels.

9) If this is not the case, adjust the balance P 6 to an equal reading for both channels.

10) Adjust the gain reduction with P 5, to obtain a drop of -10,0 dB.

11) Repeat step 9 and 10.

12) Adjust the mid band display with P 7 so the green -10 LED turns on and the

green -7 LED just turns off.

(130711)