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Dear Customer,

Congratulations on your purchase of this innovative 

and high-qual ity HELIX product. 

The HELIX G FOUR highlights best quality, excel-

lent manufacturing and state-of-the-art technology. 

After 30 years of experiences in research & devel-

opment of audio products this amplifier generation 

sets new standards with an excellent price/perfor-

mance ratio. 

We wish you many hours of enjoyment with your 

new HELIX amplifier.

Yours,

AUDIOTEC FISCHER Team

General installation instructions for HELIX 

components

To prevent damage to the unit and possible injury, 

read this manual carefully and follow all installation 

instructions. This product has been checked for 

proper function prior to shipping and is guaranteed 

against manufacturing defects.

Before starting your installation, disconnect the 

battery’s negative terminal to prevent damage 

to the unit, fire and/or risk of injury.

 For a proper 

performance and to ensure full warranty coverage, 

we strongly recommend to get this product installed 

by an authorized HELIX dealer.

Install your G FOUR in a dry location with sufficient 

air circulation for proper cooling of the equipment. 

The amplifier should be secured to a solid mounting 

surface using proper mounting hardware. Before 

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 lo-

cated behind the mounting surface. Failure to do so 

may result in unpredictable damage to these com-

ponents and possible costly repairs to the vehicle.

General instruction for connecting the HELIX 

G FOUR amplifier

The HELIX G FOUR amplifier may only be installed 

in vehicles which have a 12 Volts negative terminal 

connected to the chassis ground. Any other system 

could cause damage to the amplifier and the electri

-

cal system of the vehicle. 

The positive cable from the battery for the complete 

system should be provided with a main fuse at a 

distance of max. 30 cm from the battery. The val-

ue of the fuse is calculated from the maximum total 

current input of the car audio system.

Use  only  suitable  cables  with  sufficient  cable 

cross-section for the connection of the HELIX 

G FOUR. The fuses may only be replaced by 

identically rated fuses (2 x 30 A) to avoid dam-

age of the amplifier.

Prior to installation, plan the wire routing to avoid 

any possible damage to the wire harness. All 

 cabling should be protected against possible crush-

ing or pinching hazards. Also avoid routing cables 

close to potential noise sources such as electric 

motors, high power accessories and other vehicle 

harnesses.

Congratulations!

General instructions

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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