Figure 68 Wiring For 50W Amplifier Circuits - Mircom FLeXNet FX-MNS-6000 Installation And Operation Manual

9.16.3 QAD-6425-25/-70 Amplifier Wiring (50W Circuits)
The QAD-6425-25/-70 amplifiers can be wired as two 50 Watt supervised speaker outputs.
Each 50W circuit may be wired as Class A or Class B.

Figure 68 Wiring for 50W Amplifier Circuits

QAD-6425-70/-25
TERMINAL BLOCK
SLOT 1 OF QMB-6000
i
Notes:
• Use terminal block 1.1 and 1.3 for 50W circuit wiring
• For two 50W circuit place two jumpers (WC-1008) on the connectors marked 1 and 2,
3 and 4, and leave jumper 3 OFF the 2 to 3 connector.
• All circuits are power limited and supervised.
• See speaker wiring chart for wire gauge selection.
• Refer to Table 15 for proper end of line resistor value.
CLASS A
WIRING
EXAMPLE
B-
A+ B+
A-
Two blocks of eight terminals for one amplifier
TNC-5000 Telephone Network Controller Module
Six connectors
for wattage and
circuit selection.
CLASS A
WIRING
EXAMPLE
1.2
1.1
B-
A- A+
Connector location on all amplifiers
4
3
3
2
2
1
WC-1008
1.4
Jumper
1.3
B+
88