Table of Contents
.-~.~--_.~.
INTRODUCTION
....................................................................................................................
3
FEATURES
AND SPECIFICATIONS
.................................................................................
,4
CONTROLS AND
FUNCTIONS
.....................................................................................
5-14
A2201Q/A2301Q/A2401Q/A2601Q/A2801QIA3201Q
.........................................................
...5
A44OlQ/A46OlQ ...................................................................................................................
.
A6601Q
................................................................................................................................
.
A1801Q ................................................................................................................................
.
PLANNING
I MOUNTING
YOUR SYSTEM ...................................................................
,151
WIRING
DIAGRAMS
.....................................................................................................
.16-22
A1801Q ............................................................................................................................
...16
A2201Q/A2301Q/A2401Q/A2601QIA2801Q/A3201Q
...................................................
..16- 1 7
A4401Q/A4601Q
.......................................................................................................
...18-19
A66OlQ
.......................................................................................................................
..20-2 2
ADJUSTMENTS AND TUNING
........................................................................................
23
TROUBLE
SHOOTING
.......................................................................................................
,24
WARNING/DISCLAIMER
...................................................................................................
,25
WARRANTY
..........................................................................................................................
26
2
Introduction
” ----. “.--“- . ----.“-.“. ^..- ---- --I ”
.
Thank you for purchasing an Audiobahn A/B Power Amplifier
specifically designed for the mobile environment. This manual contains
important information about installation, set-up procedures and intergrading
this amplifier into your car stereo system. With proper care and installation,
your new audiobahn A/B Mosfet Power amplifier will provide you with
many years of high performance listening enjoyment.
Before making any electrical connections, Make sure that vou disconnect the
battery’s ground cable to prevent the possibility of short &wits or damage to
your electronic equipment. (rJ’your stereo has an Anti-th# code DO NOT
disconnect the battery).
3
B Class A/B Mosfet Power Amplifier
e 2 Ohm Stable Stereo
e 4 Ohm Stable Mono
0 Full Mosfet Power Supply
@ Non Regulated Power Supply
e Double Sided Circuit Board
0 Interior Circuit Board Illumination
0 Blue LED Volt Meter*
0 Fan Cooled
0 18dB Bass Boost
l
Soft Start Circuitry
l
Variable Sub Sonic Filter 20-5OHz**
l
Signal To Noise Ratio: 1 OOdB
e High Quality Bipolar Audio Stage
. A2201 Q : 20A x 1
. A2301 Q : 25A x 1
0 A2401Q: 3OAx 1
. A26OlQ: 2OAx2
* A28OlQ:3OAx2
* A3201Q: 4OAx 2
e A44OlQ: 3OAx 1
* A46OlQ:2OAx2
0 A66OlQ:3OAx2
* Al8OlQ: 2OAx2
Power ~~~~~~
“..^ .
. A2201 Q : 50 watts x 2 @ 4 ohms
l
A2301 Q : 75 watts x 2 @ 4 ohms
l
A24OlQ: lOOwattsx2@4ohms
l
A26OlQ: 15Owattsx2@4ohms
l
A2801 Q : 200 watts x 2 @ 4 ohms
l
A3201 Q : 300 watts x 2 @ 4 ohms
l
A44OlQ:5Owattsx4@4ohms
l
A4601 Q : 75 watts x 4 @ 4 ohms
o A6601 Q : 75 watts x 6 @ 4 ohms
o Al 801 Q : 400 watts x 1 @ 4 ohms
-_l_ll_,_^,~-_---l--.-_ll.“...l-^l~
~
. A22OlQ : 2.2” (H) x 12.7” (W) x 8” (D)
. A2301 Q : 2.2” (H) x 12.7” (W) x 8.8” (D)
. A2401 Q : 2.2” (H) x 12.7” (WI x lo” (D)
. A2601 Q : 2.2” (H) x 12.7” (WI x 11.6” (D)
. A28OlQ : 2.2” (H) x 12.7” [WI x 15.1” (D)
. A32OlQ : 2.2” (H) x 12.7” (WI x 17.1” (D)
l
A4401 Q : 2.2” (H) x 12.7” (W) x 11.2” (D)
. A4601 Q : 2.2” (H) x 12.7” (W) x 12.6” (D)
. A66OlQ : 2.2” (H) x 12.7” (w) x 17.1” (D)
l
A18OlQ: 2.2”(H)x12.7”(W)x 15.1”(D)
Controls and Functions
-~- _- _-
5
0
-7
0 0 0
0
8
0 0 0
3
0
.--
0
0 0 0
li
0
Controls and Functions
[I
x
,f f
;::I
8
A4401 Q/A4601 Q REAR
A4401 WA4601 Q FRONT
ah
-
7 9
8
(
Controls and Functions
___ _ .~-~~~-. _.
Controls and Functions
.I-XIIII1...l “__^~.”
Controls and Functions
_..------. I” I. ,_
Controls and Functions
___..._ “- . . -.~-“---.--. . ..--. - ~. .~. . -
_._-----~
-8
A4401Q j
A4601Q :
;-------------.---------.------------------------------~--------------~~~- ,
_ _ _ _ _’
A1801Q ;
.____________.._________________________~--~-----------------------------~-----.
GAIN
CONTROL
0
@
GN &
A2201 Q / A2301 Q i
A2401 Q / A2601 Q :
A2801Q/A3201Q a
A4401Q/A4601Q:
A6601 Q / Al 801 Q I
-------------~----------~--------------~----------.-.-----------~----------.--~
This control adjusts the amplifiers input sensitivity. Input sensitivity is variable from 200 Millivolts
to 7 volts. Clockwise increases sensitivity Counterclockwise decreases sensitivity.
This knob is not a volume control for the amplifier. The amplifier can be driven to full power
with a wide range of signal levels. A lower signal level will require increased sensitivity for full
power. A higher signal level will require decreased sensitivity.
9
frm
nm
______
Controls and Functions
l~-,ll”.“” _,-_.
_ ._I”.
--” --_... . . “l_-.
-
1...................---~---~-------------------------~-------~------~----~-----,
These inputs are for signal cables from the source. Always use high quality shielded RCA
cables.
LINE OUT LINE OUT
LEFT
CHI
HGHT
A1801Q :
A4401Q i
CM
A46018 :
I_________._____________________________I_____________-___-_____-____--_----.---,
The LINE OUT allows you to build multiple amplifier systems without having to use splitter cords
to distribute the signal. Now it is simple a matter of bringing one set of RCAS into the first
amplifier, then using the line out RCA jacks as the feed to the next amplifier.
BASS
BASS
BASS
BOOST $a~ !
BOOST
BOOST
By using the bass boost function, bass notes at 50 Hz are emphasized as much as 18dB.
‘-Fan--*-------------
,---------------*------------------
X-OVER A2201Q i
X-OVER i
X-OVER
X-OVER i
________________________________________-----------------------------.--.-----~
Adjust the crossover for your chosen installation method.
- LPF :
Low pass filter-only bass tones (50Hz-120Hz/50Hz-500Hz:A6601 Q) go to speakers.
Use with woofer or sub-woofer.
- FULL : No filter-all tones go to speakers. Use with full-range speakers, or with external crossovers.
- HPF : High pass filter-blocks very low tones (50Hz-750Hz/50Hz-500Hz:A6601 Q)
from the speakers.
10
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