Qaa-5160-70/25 - Mircom QX-5000 Series Installation And Operation Manual

Audio Amplifier Wiring

QAA-5160-70/25

This amplifier provides one 60 Watt supervised speaker circuit either 70 Volts or 25 Volts which may be wired Class
A or Class B.
Note: When using this amplifier as a backup amplifier, the molex connector MD-789 must be added (see
the following section on the backup amplifier for more information). When using a speaker isolator
(SIS-204 or SISA-204 for use in Canada only), jumper JP1 (top left-hand corner, component side)
must be cut on the QAA-5160-70/25 board (for details, see Figure 14).
Figure 17: QAA-5160-70/25 Wiring
Notes:
• All circuits are power limited.
• There are two fuses on this board. Both are 8A fast blow.
• See speaker wiring chart for wire gauge selection.
24
4
3
2
1
4
3
2
1