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Amplifier 

Owner’s Manual 

 
 
 

HYDROGEN 

 

GZHA 2350XII 

GZHA 4150XII 
GZHA 5125XII 

 
 
 

 
 

 

 

 

 

PLEASE READ BEFORE INSTALLATION 

 

Thank you for selecting a 

Ground Zero

 amplifier.  

We are providing a helpful hints list which should keep you from experiencing 

unnecessary shut down. 

Have fun with this high quality Hydrogen product. 

 

 

Features 

 

 

 

4 Ohm / 2 Ohm stable stereo 

 

1 Ohm stable stereo (GZHA 2350XII / Channel 5 of GZHA 5125XII) 

 

P.W.M. Mosfet power supply 

 

SMD Technology 

 

Power & Protection indicator 

 

Variable 12dB Bass Boost (GZHA 2350XII) 

 

Variable high pass filter 

 

Variable low pass filter 

 

Variable subsonic filter 

 

Variable phase shift 0 ~ 180°  

 

Switchable phase shift 0° / 180° (GZHA 5125XII) 

 

Adjustable input sensitivity 

 

Soft delayed remote turn- on 

 

RCA outputs (GZHA 4150XII)

 

 

Remote control 

 

 

Thermal / Short / Overload protection 

 

 

Summary of Contents for GZHA 2350XII

Page 1: ...drogen product Features 4 Ohm 2 Ohm stable stereo 1 Ohm stable stereo GZHA 2350XII Channel 5 of GZHA 5125XII P W M Mosfet power supply SMD Technology Power Protection indicator Variable 12dB Bass Boost GZHA 2350XII Variable high pass filter Variable low pass filter Variable subsonic filter Variable phase shift 0 180 Switchable phase shift 0 180 GZHA 5125XII Adjustable input sensitivity Soft delaye...

Page 2: ...motor vehicle while listening to audio equipment at high volume levels may impair your ability to hear external sounds such as horns warning signals or emergency vehicles thus constituting to a potential traffic hazard In the interest of safety Consumer Electronics recommends listening at lower volume levels while driving 4 Planning your system Before beginning the installation consider the follow...

Page 3: ...5 Controls and functions GZHA 2350XII 6 Controls and functions GZHA 4150XII ...

Page 4: ...l be reproduced GZHA 2350XII GZHA 4150XII CH 3 4 At LPF adjustment also the Highpass Subsonic is activated This equals a Bandpass filter of 5 250 Hz GZHA 4150XII CH 1 2 The Lowpass filter is not adjustable It is fixed at 80 Hz 10 Low pass controller For subwoofer and Kickwoofer operation Only frequencies from 30 Hz to 250 Hz will be reproduced depending on the LPF filter controller position Set th...

Page 5: ...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 ...

Page 6: ...11 Trimode operation GZHA 2350XII 12 Connecting the speaker GZHA 4150XII ...

Page 7: ...13 Trimode operation GZHA 4150XII 14 Connecting the speaker GZHA 5125XII ...

Page 8: ...15 Connecting the speaker GZHA 5125XII Bridged 16 Trimode operation GZHA 5125XII ...

Page 9: ...onse 10 Hz 38 KHz 1 dB 10 Hz 38 KHz 1 dB 10 Hz 22 KHz 1 dB 10 Hz 250 Hz 1 dB Efficiency 4 Ω 80 80 80 Input sensitivity 200 mV 9 V 5 200 mV 9 V 5 200 mV 9 V 5 Channel separation 50 dB 50 dB 50 dB THD 0 10 0 10 0 10 Bass remote At lowpass operation Channel 3 4 At lowpass operation Fuse 4 x 40A 2 x 40A 3 x 40A Dimensions W x H x L mm 305 x 62 x 400 305 x 62 x 400 305 x 62 x 500 Dimensions W x H x L i...

Page 10: ...tgesloten zijn defecten door overbelasting onkundig gebruik of door deelname aan wedstrijden SPL ontstaan zijn La garantie est conforme aux droits légaux Un retour du produit défectueux doit être dans son emballage d origine sur présentation du reçu ou de la facture indiquant la description du defaut La présente Garantie n est pas applicable lorsque le produit a été endommagé en raison Mauvaise al...

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