Appendix D
Rear Panel Symbols - Legend
1
2+
3-
+ 
A
AB
A
AB A B
A B
GAIN
Ø 40x 20x
dBu
XLR Pin +
2 3
Input Connection Section
XLR Connector Polarity Indicator
TRS Connector Polarity Indicator
Mode Selection Switch - Bridged Mono Position
Mode Selection Switch - Parallel Position
Mode Selection Switch - Stereo Position
Chassis Ground Lift Switch - Ground Lifted Position Chassis Ground Lift Switch - Grounded Position
Gain Select Switch (CA18)
XLR pin hot (+) select switch (CA18)
Output Connection Section
A
B
A
B
A
+
+
A
B
+
B
Speakon Output Connector - Channel A Stereo/Parallel
Speakon Output Connector - Channel B Stereo/Parallel
Speakon Output Connector - Bridged Mono
Appendix D | Crest Audio CA Series Power Amplifiers |
| Models CA2, CA4, CA6, CA9, CA12, CA18 |