Quest Engineering QX-280 Series Owner's Manual - page 5
4
Input Signal Wiring Examples
Amplifier Wiring Examples
70/100V System
(example shows 30W tap settings)
Parallel Wiring
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
from
amplifier
to
speakers
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
16Ω
16Ω
16Ω
16Ω
+ -
+
-
30W
30W
30W
30W
+ Hot
- Cold
Ground
Unbalanced Wiring
Balanced Wiring
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
from
amplifier
to
speakers
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
16Ω
16Ω
16Ω
16Ω
+ -
+
-
30W
30W
30W
30W
+ Hot
- Cold
Ground
Unbalanced Wiring
Balanced Wiring
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
from
amplifier
to
speakers
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
16Ω
16Ω
16Ω
16Ω
+ -
+
-
30W
30W
30W
30W
+ Hot
- Cold
Ground
Unbalanced Wiring
Balanced Wiring
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
from
amplifier
to
speakers
16Ω
16Ω
16Ω
16Ω
+ -
+
-
15W
15W
15W
15W
16Ω
16Ω
16Ω
16Ω
+ -
+
-
30W
30W
30W
30W
+ Hot
- Cold
Ground
Unbalanced Wiring
Balanced Wiring
Connector wiring is the
same for both examples
Total Amplifier Load 120W
(Not including other parasitic loading, always allow amplifier headroom)
Total Amplifier Load 4
Ω
Figure 2.00
Figure 3.00
Figure 3.01
Figure 2.01