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The limited warranty comply with legal regulations. 

Failures or damages caused by overload or im-

proper use are not covered by the warranty. Please 

return the defective product only with a valid proof 

of purchase and a detailed malfunction description. 

Technical specifications are subject to change! 

Errors are reserved! For damages on the vehicle 

and the device, caused by handling errors of the 

module, we can’t assume liability. These devic-

es  are  certified  for  the  use  in  vehicles  within  the 

 European Community (EC).

Technical Data

Warranty Disclaimer 

Output power RMS / max.
- @ 4 Ohms ............................................................................... 4 x 80 / 160 Watts
- @ 2 Ohms ............................................................................... 4 x 120 / 240 Watts
- bridged @ 4 Ohms .................................................................. 2 x 240 / 480 Watts

Amplifier technology

 .................................................................. Class AB

Inputs ......................................................................................... 4 x RCA / Cinch
   

4 x Highlevel speaker input

   

1 x Remote In

   

1 x Remote control input

Outputs ...................................................................................... 4 x Speaker output
   

2 x RCA / Cinch

Frequency response .................................................................. 10 Hz - 40,000 Hz
Bass boost ................................................................................. 0 - 12 dB / 45 Hz
Highpass.................................................................................... 15 Hz - 4,000 Hz adjustable
Lowpass .................................................................................... 40 Hz - 4,000 Hz adjustable
Bandpass................................................................................... 15 Hz - 4,000 Hz adjustable
Slope high- / lowpass ................................................................ Butterworth 12 dB/Oct.
Distortion (THD) ......................................................................... 0.02 %
Signal-to-noise ratio................................................................... 108 dB (A-weighted) 
Input sensitivity .......................................................................... Highlevel 2.5 - 14 Volts
   

RCA / Cinch 1 - 6 Volts

Output voltage RCA / Cinch....................................................... 1 - 6 Volts RMS
Damping factor .......................................................................... 200
Input impedance RCA / Cinch ................................................... 30 kOhms
Input impedance highlevel ......................................................... 12 Ohms 
Operating voltage ...................................................................... 9.6 - 16 Volts (max. 5 sec. down to 6 Volts)
Fuse........................................................................................... 2 x 30 A Maxi-fuse (APX)
Dimensions (H x W x D) ............................................................ 57 x 334 x 241 mm / 2.24 x 13.15 x 9.50”
Additional features ..................................................................... Active, adjustable crossover, bass boost, 
 

input mode switch, highlevel input with 

 

automatic turn on function and Advanced 

 

 Diagnostics Error Protection (ADEP),

 

Start-Stop capability, remote control for 

 

channels C & D

Summary of Contents for G FOUR

Page 1: ...G FOUR 4 Kanal Class AB Verst rker 4 channel Class AB amplifier deutsch english...

Page 2: ...t muss der Verst rker professionell befestigt werden Dieses geschieht ber Schrauben die in eine Montagefl che ein geschraubt werden die wiederum gen gend Halt bieten muss Bevor Sie die Schrauben im Mo...

Page 3: ...ut Mode Schalter zur Verteilung der Eingangssignale auf die jeweiligen Verst rkerkan le 3 Bass Boost Regler zum Einstellen der Bassanhebung der Kan le C und D von 0 bis 12 dB 4 Line Out Vorverst rkera...

Page 4: ...e Ausgangs spannung betr gt 6 Volt 5 LPF Mit Hilfe dieses Reglers kann das Tiefpassfilter von 40 bis 4 000 Hz f r die Kan le C und D eingestellt werden 6 X Over Zur Umschaltung der internen aktiven Fr...

Page 5: ...ng von ca 9 Volt Drehregler von Min Position ca 1 3 im Uhrzeiger sinn einstellen 11 Uhr Position 10 Highlevel Input 4 Kanal Hochpegel Lautsprechereingang Mit Hil fe dieses Eingangs kann der Verst rker...

Page 6: ...Kanal C Hinten links Kanal D Hinten rechts Dabei m ssen nicht zwingend alle Eing nge belegt werden Werden nur zwei Kan le belegt empfehlen wir die Kan le A und B zu verwen den und den Input Mode Scha...

Page 7: ...der Basswiedergabe zur Folge Der Pluspol ist bei den meisten Lautsprechern gekennzeich net Die Impedanz pro Kanal darf 2 Ohm im Br ckenbetrieb 4 Ohm nicht unterschreiten da sonst die Schutzschaltung d...

Page 8: ...bei 16 5 cm LS ca 70 Hz bei 13 cm LS ca 100 Hz bei 10 cm LS 4 Kanal Komponentensystem Koaxialsystem Links Rechts Links Rechts Vorne Hinten Kanal A B Hochpassfilter HPF Kanal C D Hochpassfilter 50 100...

Page 9: ...den Highlevel Stecker 8 poliger Stecker mit den jeweiligen Eing ngen des Ver st rkers Der Stromversorgungsstecker 4 po liger Stecker bleibt ungenutzt Hinweis MOST Bus Bei einigen Fahrzeugen kann es n...

Page 10: ...i Stecksicherung FK3 Abmessungen H x B x T 57 x 334 x 241 mm Zus tzliche Features Aktive regelbare Frequenzweiche Bass Boost Eingangsmodus Schalter Highlevel Eingang mit automatischer Einschaltung und...

Page 11: ...mounting carefully examine the area around and behind the proposed installation location to ensure that there are no electrical cables or components hydraulic brake lines or any part of the fuel tank...

Page 12: ...put Mode Switch to route input signals to respective amplifier channels 3 Bass Boost Control for adjusting the bass boost on channels C and D from 0 to 12 dB 4 Line Out RCA outputs for connecting exte...

Page 13: ...is 6 Volts max 5 LPF This control is used to adjust the crossover frequen cy of the lowpass filter of the channels C and D from 40 to 4 000 Hz 6 X Over This switch allows to set the internal crossover...

Page 14: ...e amplifier outputs The Highlevel Input is equipped with our proprietary ADEP circuit Advanced Diagnostics Error Protec tion which ensures that the car radio detects the amplifier as a speaker and thu...

Page 15: ...cinch cable to connect these inputs to the pre amplifier lowlev el cinch outputs of your car radio It is not mandatory to use all pre amplifier inputs If only two channels will be connected we recomme...

Page 16: ...ower supply Make sure to disconnect the battery before installing the HELIX G FOUR Connect the 12 V power cable to the positive terminal of the battery The positive wire from the battery to the amplif...

Page 17: ...LS ca 70 Hz for 5 25 13 cm LS ca 100 Hz for 4 10 cm LS 4 channel Component system coaxial system Left Right Left Right Front Rear 3 channel Component system subwoofer Left Right Subwoofer C D bridged...

Page 18: ...e radio No factory wires or plugs need to be cut by using this connection method The Easy Plug Cable uses the highlevel inputs A D Note Never use the power supply cables of the Easy Plug Cable Always...

Page 19: ...speaker input 1 x Remote In 1 x Remote control input Outputs 4 x Speaker output 2 x RCA Cinch Frequency response 10 Hz 40 000 Hz Bass boost 0 12 dB 45 Hz Highpass 15 Hz 4 000 Hz adjustable Lowpass 40...

Page 20: ...Audiotec Fischer GmbH H negr ben 26 57392 Schmallenberg Germany Tel 49 2972 9788 0 Fax 49 2972 9788 88 E mail helix audiotec fischer com Internet www audiotec fischer com...

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