Front & Rear Panel Controls; Rear Panel - Signal Audio Workshop CH-2 Owner's Manual

Vacuum tube 2-channel microphone pre
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Front panel controls:
1)
48v phantom switch.
2)
Phase reverse switch.
3)
-20db pad (reduction of high level input signals).
4)
Input select switch – selects input source
microphone/DI.
5)
Direct input specially designed for high impedance
sources (input impedance 4.7m).
6)
Tube gain knob from +22db to 60db.
7)
H.P.F. selectable five frequency rotary switch –
changes low cut frequencies at 12db/oct.
8)
Power Standby switch.
9)
Tube filaments light indicator.
10)
+300v power light indicator.

Rear panel:

Rear panel elements:
4 XLR balanced line input/output
connectors with the same pin standard
as shown in the diagram.
Mains voltage 220/115 VAC input select
switch. Mains power socket with mains
fuse.
PIN1 GND
PIN2 HOT
PIN3 COLD
4

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