Ground Zero HYDROGEN SERIES - Specifications and Crossover Values; Passive Crossover Components; Technical Specifications

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Trimode crossover
TRI MODE operation output allows a subwoofer to be operated in mono mode while the main speakers are playing in stereo. Leave the
crossover switch on “Full” position.
Use 100 volt, non-polar capacitors for a high pass crossover to filter out low frequencies and Air- core or
Ferrit- ore coils with a minimum diameter of 1 mm / 0.039” for the lowpass crossover to filter out high frequencies.
The capacitor and inductor values as written in the below table. The front and rear channels of this amplifier get this capability. Only the
rear left and right channels are shown on the following pictures.
Values for 6dB passive crossover
Frequency
Inductor
Capacitor
80 Hz
7,5 mH
470 uF
100 Hz
6,5 mH
330 uF
120 Hz
5,5 mH
370 uF
150 Hz
4 mH
220 uF
Specifications
Model
GZHA 4200XII
Type
4 Channel Class AB
RMS Power @ 4 Ω
CEA Standard CEA-2006-A
4 x 140 W (1% THD+N)
RMS Power @ 2 Ω
CEA Standard CEA-2006-A
4 x 200 W
(1% THD+N)
4 x 250 W (10% THD+N)
RMS Power @ 4Ω Bridged
CEA Standard CEA-2006-A
2 x 400 W (1% THD+N)
2 x 500 W (10% THD+N)
Damping factor
> 200
Lowpass
Channel 1/2: 80 Hz fix
Channel 3/4: 30 Hz – 250 Hz
Highpass
Channel 1/2: 40 Hz – 3 kHz
Channel 3/4: 5 Hz – 250 Hz
Bandpass
5 Hz – 250 Hz (Ch 3/4)
Bass boost
0 ~ +12 dB (45 Hz) (Ch 3/4)
Phase shift
0 – 180° (variable) (Ch 3/4)
Frequency response
5 Hz – 38 kHz (± 1 dB)
Input sensitivity
200 mV – 9 V (± 5%)
Bass remote control

(Channel 3/4)
Fuse
2 x 40A
Dimensions
W x H x L mm
293 x 67 x 400
Dimensions
W x H x L inch
11.54“ x 2.64“ x 15.75“