Mircom FleXNet FX-4000 - QAA-5160-70;25 Amplifier

103
20.4 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.
Figure 64 QAA-5160-70/25 Wiring
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 58).
Notes:
• All circuits are power limited and supervised.
• There are two fuses on this board. Both are 8A fast blow.
• See speaker wiring chart for wire gauge selection.
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1
2
3
4
1
2
3
4
QAA-5160-70/25
TERMINAL BLOCK
QAA-5160-70/25
TERMINAL BLOCK
ZONE A
CLASS A OR B
60 WATTS MAX
ZONE B
CLASS A OR B
60 WATTS MAX
SPEAKER
SPEAKER
10K, 2W ELR
MODEL MP-301
MANUFACTURED
BY MIRCOM
CLASS A WIRING
CLASS B WIRING
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