4/3/2 Channel Power Amplifier
1 of 2 3527V
NOM NOM
4/3/2/ CHANNEL
MIN MAX OFF HP LP CH 1 CH 1 (MONO) ST CH 1 + 2 MIN MAX OFF HP CH 3 + 4 CH 3 (MONO) ST CH 3 + 4 1 / 2 3 / 4 1 + 3 / 2 + 4
POWER AMPLIFIER FILTER INPUT MODE FILTER INPUT MODE INPUT CHANNEL
GAIN GAIN
POWER
CHANNEL 1 / 2 CHANNEL 3 / 4
Features
" 4/3/2 CHANNEL OPERATION - Can be used in a 4
sonic properties by reducing interaction between dif-
channel mode providing 25W x 4 into 4 ohms or 35W
ferent sections of the circuitry.
x 4 into 2 ohms, or in mono mode producing 70W x 2
" LINE AND SPEAKER LEVEL INPUT CAPABILITY -
into 4 ohms. (all power ratings are from 20Hz to 20kHz
In addition to RCA-type line inputs, balanced low
at 12V DC).
impedance speaker inputs can be connected to high or
" MULTIMODE"! CAPABILITY - The 3527Vcan oper-
standard power head units that do not have pre-amp
ate in 2-channel stereo and bridged mono modes
outputs. The head unit's internal fader and balance
simultaneously.
controls will continue to function properly.
" ACTIVE DIVIDING NETWORK - A built in electronic
" INPUT MODE SELECTOR SWITCH - Stereo; ch1
crossover network (18 dB per octave) can be used to
mono (or ch3 mono); ch1+ch2 or (ch3+ch4)
set up the amplifier for low pass (80Hz and down) or
" INDEPENDENT, CONTINUOUSLY ADJUSTABLE
high pass (80Hz and up) applications. This network
GAIN CONTROLS FOR CH1/2 AND 3/4
can also be switched off for full range applications.
" FULLY DISCRETE, COMPLEMENTARY OUTPUT
" DUO ß FEEDBACK CIRCUITRY - Supplies low nega-
CIRCUITRY
tive feedback throughout the audio frequency band- " GOLD PLATED RCA INPUT CONNECTORS AND
width and very high negative feedback at DC. This
SCREW-DOWN POWER AND SPEAKER TERMI-
stabilizes the amplifier, removes the DC offset, offers
NALS.
excellent total harmonic distortion (THD), and pro- " HIGH PERFORMANCE, LOW NOISE, AUDIOPHILE
vides low transient intermodulation distortion (TIM).
QUALITY ACTIVE AND PASSIVE COMPONENTS
" NO CURRENT LIMITING - Absence of current limit- " POWER MOSFET DC-TO-DC SWITCHING MODE
ers in the audio section ensures low TIM, excellent
POWER SUPPLY
transient response and superb sound quality.
" CAPACITIVE/INDUCTIVE POWER SUPPLY INPUT
" S.T.A.R. CIRCUITRY - Alpine-developed Signal Tran-
AND OUTPUT FILTERING
sient for Accurate Response circuit topology improves
Specifications
Maximum Power Output ........................ 280 Watts (into 4&!) Input impedance ...........................................................................
Power Output (14.4V supply, 20Hz.-20kHz.) Line Inputs .............................................................. 10k ohms
4-Channel mode, 4 ohms (0.08% THD) .............. 25W x 4 Speaker Inputs ..........................................................15 ohms
or 2 ohms (0.3% THD) .............. 35W x 4 Speaker Impedance .................. 4 or 2&! (stereo) or 4&! mono
3-Channel mode, 4 ohms (0.08% THD) .............. 25W x 2 Dividing Network Freq. and Slope ......... 80Hz., 18dB/oct.
or 2 ohms (0.3% THD) .............. 35W x 2 Power Requirements ............. 11-16V DC (negative ground)
and 4 ohms (0.3% THD) ............... 70W x 1 Dimensions (WxHxD) .................... 8-5/8"x2-9/13"x9-13/16"
2-Channel mode, 4 ohms (0.3% THD) ................. 70W x 2 ...................................................................... (220x51x250mm)
Frquency Response ....................... 10Hz to 50kHz (Ä…0, -1 dB) Weight ................................................................. 6lb. 3oz.(3.0kg.)
Signal-to-Noise Ratio . 100dBA(referenced to rated power)
Input Sensitivity (for rated power)
Line inputs .......................... 100mV-2V (500mV at detent)
Speaker Inputs ...................... 400mV to 2V (2V at detent)
Specifications and design are subject to change without notice.
R.60595
®
8045
4/3/2 Channel Power Amplifier
3527v 2 of 2
Ground Lead (Black)
Battery Lead
Battery Power
Fuse Holder
Battery
Wire (Optional) Power Distribution
Block (Optional)
This Amplifier is Capable of running MultiMode"!
4 Ohm Mono Loading ONLY 2 Ohm or 4 Ohm Stereo Loading
Left Speaker Output Lead (+) Front Left Speaker Output Lead (+)
Front Left Speaker Output Lead (-)
Front Right Speaker Output Lead (+)
Left Speaker Output Lead (-) Front Right Speaker Output Lead (-)
4 Ohm Mono Loading ONLY 2 Ohm or 4 Ohm Stereo Loading
Right Speaker Output Lead (-)
Rear Right Speaker Output Lead (-)
Rear Right Speaker Output Lead (+)
Rear Left Speaker Output Lead (-)
Right Speaker Output Lead (+) Rear Left Speaker Output Lead (+)
Remote-On Lead
Remote - Out
(+12V Input turns Amp on)
or
Power Antenna Lead
Front Left (+) White
Front Left (-) White/Black
Front Right (-) Grey/Black
Front Right (+) Grey
Rear Left (+) Green
Rear Left (-) Green/Black
Rear Right (-) Violet/Black
Insulation
Tube
(included)
Connector
Rear Right (+) Violet
Assembly
White (Left) Part No.
01E11443S01
Front Output
Red (Right)
R LOW LEVEL L (MONO) - BRIDGED +
20A BATT REMOTE GND
CH 2 CH 1
+ +
Use Speaker Output
SP LEVEL
or
+
Low Level Output 
- -
4 3 2 1
(Do Not Use Both)
CH 4 CH 3
- RIGHT + - LEFT +
White (Left)
Rear Output
Red (Right)
- BRIDGED +
+ +
- -
- RIGHT + - LEFT +
R.60595
®
20
+
-