Troubleshooting Guide - Ground Zero GZHA 2350XII Bedienungsanleitung

Specifications
Model GZHA 2350XII
RMS Power @ 4 Ω 2 x 260W
(1% THD+N)
2 x 320W
CEA Standard CEA-2006-A (10% THD+N)
RMS Power @ 2 Ω 2 x 470W
(1% THD+N)
2 x 570W
(10% THD+N)
CEA Standard CEA-2006-A
RMS Power @ 1 Ω 2 x 740W
(1% THD+N)
2 x 900W
CEA Standard CEA-2006-A (10% THD+N)
RMS Power @ 4Ω bridged 1 x 940W
(1% THD+N)
1 x 1140W
CEA Standard CEA-2006-A (10% THD+N)
RMS Power @ 2Ω bridged 1 x 1480W
(1% THD+N)
1 x 1800W
CEA Standard CEA-2006-A (10% THD+N)
Damping factor
> 200
Signal to noise Ratio
> 70 dB
Lowpass
30 Hz – 250 Hz
Highpass
5 Hz – 500 Hz
Bandpass
5 Hz – 250 Hz
Subsonic filter 5 Hz – 500 Hz
Bass boost
0 ~ +12 dB
Bass boost frequency
30 Hz ~ 80 Hz
Phase shift 0 – 180°
10 Hz – 38 KHz
Frequency response
(± 1 dB)
Efficiency @ 4 Ω
~ 80 %
200 mV – 9 V
Input sensitivity
(± 5%)
Channel separation
50 dB
THD
< 0,10 %
Bass remote
At lowpass- operation
Fuse 4 x 40A
Dimensions
305 x 62 x 400
W x H x L mm
Dimensions
12 x 2.44 x 15.75"
W x H x L inch
GZHA 5125XII
GZHA 4150XII
Channel 1-4
4 x 130W 4 x 100W 1 x 270W
(1% THD+N) (1% THD+N)
4 x 160W 4 x 120W 1x 380W
(10% THD+N) (10% THD+N)
4 x 200W 4 x 150W 1 x 430W
(1% THD+N) (1% THD+N)
4 x 250W 4 x 200W 1 x 620W
(10% THD+N) (10% THD+N)
1 x 600W
--- ---
1 x 900W
2 x 400W 2 x 300W
(1% THD+N) (1% THD+N)
2 x 500W 2 x 400W
(10% THD+N) (10% THD+N)
--- ---
> 130 > 120
> 70 dB > 70 dB
80 Hz
( Channel 1 & 2 ) 40 Hz – 3 kHz
30 Hz – 250 Hz
30 Hz – 250 Hz ( Channel 3 & 4 )
( Channel 3 & 4 )
40 Hz – 3 kHz
( Channel 1 & 2 ) 40 Hz – 3 kHz
5 Hz – 250 Hz ( Channel 1 – 4 )
( Channel 3 & 4 )
5 Hz – 250 Hz
--- 5 Hz – 250 Hz
( Channel 3 & 4 )
5 Hz – 250 Hz
---
( Channel 3 & 4 )
--- ---
--- ---
0 – 180°
---
( Channel 3 & 4 )
10 Hz – 38 KHz 10 Hz – 22 KHz 10 Hz – 250 Hz
(± 1 dB) (± 1 dB)
~ 80 % ~ 80 %
200 mV – 9 V 200 mV – 9 V
(± 5%) (± 5%)
50 dB 50 dB
< 0,10 % < 0,10 %
---
( Channel 3 & 4 ) At lowpass- operation
2 x 40A 3 x 40A
305 x 62 x 400 305 x 62 x 500
12 x 2.44 x 15.75" 12 x 2.44 x 19.69"
17
Trouble shooting guide
Symptoms
Channel 5
(1% THD+N)
(10% THD+N)
(1% THD+N)
No sound
(10% THD+N)
(1% THD+N)
(10% THD+N)
---
---
Amp not switching on
> 70
No sound in one channel
---
Amp turning off at medium /
high volume
5 Hz – 50 Hz
---
---
0 – 180°
Protection LED is on
(± 1 dB)
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
18