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Alpine 3541 Service Manual page 6

Bridgable power amplifier

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3541
* Input Gain Adjustment Control @:
T.H.D.
(%)
After setting the Input Gain Selector Switch @ to the
"VARIABLE" position, set your head unit's volume control
1/4 of a turn down from the maximum output level, rotate
the input Gain Adjustment Control @ with a #0
screwdriver and adjust the input gain to the point where
there is maximum volume with no distortion.
¢
Power Indicator ©:
This indicator lights green when the power is on.
Characteristic Curves
POWER V.S. DISTORTION CURVE
Acta
Se
ES 10
ESL
COTE emer
ence
uh
=a
GD
eee
72s)
ee
SS osc
as
eas
aees
St
imme er
ee
eee
Seaacci
RS OS 55 ee ees ee
PH
oy
jp J
=
i oe So
Coon anol
Bs! al
005
1
2
OUTPUT POWER (W)
Connections
RCA Input Connectors
Speaker Output Terminals
Insulation Tubes
FREQUENCY RESPONSE CURVE
RESPONSE
(dB)
i=)
0
20
50
100 = 200
Ground Lead
(Black)
==}
Remote Tum-On Lead
<5)
(Blue/White)
Battery Lead (Yeliow)
OUTPUT POWER
:1
TL
IMPEDANCE | 4 ohm
500
1K
2K
FREQUENCY (Hz)
5K
10K
20K
50K
100K

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