Rear Panel Overview; The Dip-Switch Features - Lab.gruppen C 20:8X Operation Manual

4.2

Rear panel overview

C 20:8X
100-240V 50-60Hz :600W
Ser. N:o
Removed! Must be grounded/earthed
Made in Sweden
IN
Mains input NomadLink
100-240 V network In and
(+/- 10%) VAC, Out
@ 50 or 60 Hz
4.2.1

The DIP-switch features

The following features may be adjusted using the DIP-switches on the rear panel of the amplifier. See section
7.4 for more information.
Gain - Set for all four or eight channels from +29 to +38 dB in 3 dB steps.
Fan Masked - When on, engages the intelligent fan feature to lower fan speed when no signal is present.
Bridged Mode - Switches the channel pairs into bridged mode operation (automatic -6 dB gain compensation).
When in bridged mode, 2 ohm operation is not
recommended.
GAIN VPL
38dB 100V (70V rms )
63V
35dB MODE CH H CH G CH F CH E
32dB 45V HARD
29dB 32V SOFT
VPL VPL VPL VPL
OUT
CH D CH C CH B CH A
OUT
ON FAULT
POWER CONTROL VPL VPL VPL VPL
1 2
BR.=BRIDGE
ON
GPIO
connectors
Figure 5.2: C Series rear panel layout
Figure 5.2.1: DIP-switch field on the rear panel
C Series C 20:8X, C 10:8X, C 10:4X and C 5:4X Operation Manual rev. 1.1.4
BALANCED INPUTS
CH H CH G CH F CH E
CH D CH C CH B CH A
DIP-switches
for adjusting key Phoenix input
features connectors
(See below)
Quick Guide Overview
SPEAKER OUTPUTS
BRIDGE G+H BRIDGE E+F
CLASS 2
H G F E
WIRING
D C B A
NOTE! BRIDGE
BRIDGE C+D BRIDGE A+B
CLASS 3 WIRING
3-pole 2-pole screw
terminal output
connections
10