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Page 3: Entirely
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Congratulations!
And
thank
you
for
choosing
ADCOM
Car
Audio
Amplifiers
for
your
mobile
sound
system.
Your
ADCOM
Car
Audio
Amplifier
uses
superior engineering principles and the highest quality components to provide a
musical experience with clarity and dynamics
never
before achieved in a vehicle.
PLEASE
read
this
manual
entirely
before
attempting
to
install
this
product.
Due
to
the
sophisticated
nature
of
this
equipment,
we
highly
recommend
using
an
authorized
ADCOM
Car
Audio
Dealer
to
achieve
the
maximum
performance
from
your
mobile
sound
system!
Your
warranty
is
affected
if
you
choose
to
install
your
ADCOM
amplifier
yourself.
You
will
only
receive
all
the benefits of the limited warranty if the amplifier is professionally installed
by
an
authorized
ADCOM
Car
Audio
Deaier!
Please
refer
to
your
warranty
card
for further details.
GFA-4302
GFA-4402
GFA-4304
GFA-4404
GFA-4702
Power Output
30 W/Ch @
40 W/Ch @
30 W/Ch @
40 W/Ch @
70 W/Ch @
4 Ohms Stereo
<0.1% THD*
<0.1% THD*
<0.1% THD*
<0.1% THD*
<0.1% THD*
Power Output
60 W/Ch. @
80 W/Ch.
@
60 W/Ch. @
80 W/Ch. @
140W/Ch. @
2 Ohms stereo
<0.25% THD*
<0.25% THD*
<0.25% THD*
<0.25% THD*
<0.2% THD*
Power Output
100 Watts®
140Watts @
110Watts @
150Watts@
250Watts @
4 Ohms Mono
<0.25% THD*
<0.25% THD*
<0.25% THD*
<0.25% THD*
<0.2% THD*
Frequency
OHz-SOKHz
0HZ-50KHZ
OHz-SOKHz
OHz-SOKHz
0HZ-50KHZ
Response
+0dB. -3dB
+0dB. -3dB
+0dB, -3dB
+0dB, -3dB
+0dB, -3dB
Power
0HZ-50KHZ
OHz-bOKHz
OHZ-bOKHZ
0HZ-50KHZ
OHZ-50KHZ
Bandwidth
+0dB, -3dB
+0dB, -3dB
+0dB, -3dB
+0dB. -3dB
+0dB, -3dB
Input Impedance
8.5 K Ohms
8.5 K Ohms
8.5 K Ohms
8.5 K Ohms
8.5 K Ohms
Input Sensitivity
400mV to 2V
400mV to 2V
400mV to 2V
400mV to 2V
600mV to 2V
Separation
>90 dB
>90 dB
>90 dB
>90 dB
>90 dB
S/N Ratio
^100 dB
^lOOdB
>100 dB
>100 dB
>100 dB
Damping Factor
350
600
350
600
600
Idle Current
3 Amps
3 Amps
6 Amps
9 Amps
10 Amps
Fuse size
20 Amp
30 /Vnp
50 /Vrip
50/Vnp
50 Amp
Weight
8 lbs (3.7kg)
10 lbs (4.6kg)
12 lbs (5.5kg)
19 lbs (8.7kg)
32 lbs (14.6kg)
Dimensions
9.75x10.75x2.3"
9.75x12.75x2.3"
9.75x14.75x2.3"
9.75x24.25x2.3"
9.75x24.25x2.3"
in Inches
WxLxH
WxLxH
WxUH
WxLxH
9.75x15.5x2.3"
'
THD Ratings measured between 20Hz and 20khz