98
20.2
QAA-5230S-70/25 Amplifier Wiring
QAA-5230S-70/25 dual 30 watt amplifier has two 30 watt amplifiers. Each amplifier has two
Class B 15 watt supervised speaker circuits. Each circuit is wired to provide two separate
speaker zones on the same floor. 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 59
QAA-5230S-70/25 Wiring
Notes:
• All circuits are power limited and supervised.
• There are six fuses on this board. Two are 8A fast blow and four are 1/2A fast blow for the
70V version and two are 8A fast blow and four are 1.25 A fast blow for the 25V
• See speaker wiring
chart for wire gauge selection.
1
2
3
4
5
6
7
8
QAA-5230S-525-70/25
TERMINAL BLOCK
1/2
OF
ZONE A
25 Watts
1/2
OF
ZONE A
5 Watts
1/2
OF
ZONE B
5 Watts
1/2
OF
ZONE B
25 Watts
-
+
-
-
-
+
+
+
CLASS B
30 WATTS
MAX EACH
ZONE
CLASS B
30 WATTS
MAX EACH
ZONE
22 K, 1W ELR
MODEL MP-302
MANUFACTURED BY
MIRCOM
22 K, 1W ELR
MODEL MP-302
MANUFACTURED BY
MIRCOM
22 K, 1W ELR
MODEL MP-302
MANUFACTURED BY
MIRCOM
22 K, 1W ELR
MODEL MP-302
MANUFACTURED BY
MIRCOM
SPEAKER
SPEAKER
SPEAKER
SPEAKER
15 Watts
15 Watts
15 Watts
15 Watts
QAA-5230S-70/25
TERMINAL BLOCK
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