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Audio Amplifier Wiring
There are five types of amplifiers available:
Amplifier
QAA-5230-70/25
QAA-5230S-70/25
QAA-5415-70
QAA-5415-25
QAA-5160-70/25
QAA-5230-70/25 Amplifier Wiring
The QAA-5230-70/25 dual 30 watt amplifier is made up of two 30 watt supervised speaker outputs. Each circuit may
be wired as Class A or Class B. Amplifier is set to 70V, if 25V is required, remove orange molex connector cable
labelled MD-787 and replace with blue molex connector cable labelled MD-788.
Figure 54:
QAA-5230-70/25 Wiring
ZONE B
Class A or B
30 WATTS MAX.
ZONE A
Class A or B
30 WATTS MAX
Notes:
• All circuits are power limited and supervised.
• Cut jumper J1 when using an isolator.
• There are two fuses on this board. Both are 4A fast blow.
• See speaker wiring chart for wire gauge selection.
87
Two 30 watt individually supervised speaker outputs, 70V or 25V
Two 30 watt split into four 15 watt supervised speaker outputs, 70V or 25V
Four 15 watt individually supervised speaker circuits, 70V
Four 15 watt individually supervised speaker circuits, 25V
One 60 watt supervised speaker circuit, 70V or 25V
QAA-5230-70/25
TERMINAL BLOCK
-
8
7
-
6
+
5
+
-
4
3
-
CLASS B
WIRING
2
+
EXAMPLE
1
+
Description
SPEAKER
SPEAKER
CLASS A
WIRING
EXAMPLE
10K, 2W ELR
MODEL MP-301
MANUFACTURED BY
MIRCOM
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