Specifications
Model
GZTA 2155X
Type
2 Channel Class A/B
RMS Power @ 4 Ω
2 x 100 W
(1% THD+N)
CEA Standard CEA-2006-A
RMS Power @ 2 Ω
2 x 150 W
(1% THD+N)
CEA Standard CEA-2006-A
RMS Power @ 4Ω Bridged
1 x 300 W
(1% THD+N)
1 x 400 W
(10% THD+N)
CEA Standard CEA-2006-A
Damping factor
Signal to noise Ratio
Lowpass
Highpass
Bandpass
Bass boost
0 ~ +12 dB (45 Hz)
Frequency response
Input sensitivity
THD
< 0,08 %
Bass remote control
Fuse
2 x 20A
Dimensions
232 x 49 x 230
W x H x L mm
Dimensions
9.13" x 1.93" x 9.06"
W x H x L inch
GZTA 2255X
GZTA 4125X
2 Channel Class A/B
4 Channel Class A/B
2 x 150 W
4 x 90 W
(1% THD+N)
(1% THD+N)
2 x 250 W
4 x 130 W
(1% THD+N)
(1% THD+N)
1 x 500 W
2 x 260 W
(1% THD+N)
(1% THD+N)
1 x 600 W
2 x 320 W
(10% THD+N)
(10% THD+N)
> 100
> 70 dB
40 Hz – 4000 Hz
5 Hz – 500 Hz
5 Hz – 4000 Hz
0 ~ +12 dB (45 Hz)
0 ~ +12 dB (45 Hz)
(CH 3 & 4)
5 Hz – 38 KHz
(± 1 dB)
200 mV – 9 V
(± 5%)
< 0,08 %
< 0,09 %
2 x 30A
2 x 35A
332 x 49 x 230
332 x 49 x 230
13.07" x 1.93" x 9.06"
13.07" x 1.93" x 9.06"
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Trouble shooting guide
Symptoms
No sound
Amp not switching on
No sound in one channel
Amp turning off at medium /
high volume
Protection LED is on
Autogoods "130"
Check Points
Cure
Check fuses in amplifier.
Be sure remote lead is connected.
Is the POWER LED illuminated?
Check signal leads.
Check again control.
Check tuner/deck volume level.
Check for speaker short or
Is the diagnostic LED illuminated?
amplifier overheating
No power to the amplifier
Check power wire or connections
No power to remote wire with
Check connections to radio
receiver on
Inspect for short circuit or an open
Check speaker leads
connection
Reverse left and right RCA inputs
Check audio leads
to determine if it is occurring
before the amp
Be sure proper speaker load
impedance recommendations are
observed
(If you use an ohm meter to
Check speaker loa impedance
check speaker resistance, please
remember that DC resistance and
AC impedance may not be the
same.)
Temperature shut down
Turn radio volume down
Separate speaker wires and
Speaker wires short
insulate
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