Crown Audio VT-15 Stereo Amplifier User Manual


 
D.W. FEARN
VT-15 Recording Channel
20
Control Set-up
Input toggle switches:
Mic/Line switch - as appropriate for the source
0/-20 switch - 0
150/Lo-Z switch - 150 (unless you are using a non-standard impedance mic)
+48 switch - on for phantom-powered condenser mics, otherwise off
Rev/Phase switch - down (no phase reversal)
Mic/Inst switch - Mic position
Preamp Gain - 10 o’clock position
Compressor Controls:
Eq->Comp switch - in the Comp->Eq position (down)
Threshold - full counterclockwise
Harder/Softer - mid-point
Attack - mid-point
Release - mid-point
Gain - full counterclockwise
Bypass/Comp switch - Comp position
HPF In switch - out (down)
EQ Controls:
All knobs fully counterclockwise (flat)
In/Out switch - In (up)
Other controls:
GR/VU switch - VU position
Power switch - On (up)
Set-up Procedure
1. After the controls are set, have the performer start and adjust the Preamp Gain control for
a normal reading on the VU meter. Peaks should rarely go into the red (0VU).
2. If the level is too high, switch in the -20 pad.
3. Switch the VU meter to the GR position.
4. Turn up the Threshold control until the the VU meter indicates compression. Typically you
will use from 2 to 10dB of compression most of the time.
5. Adjust the Attack, Release, and Harder/Softer controls for the desired sound.