HELIX D FOUR

  • HA14108
  • DE 29323089
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Technologies

Verstärkerklasse

Class AB Feature

Eingänge

Highlevel Input Feature RCA Input Feature ADEP Feature

Hardware Technologien

Active Crossover Feature

Zusätzliche Features

Remote Control Ready Feature

HELIX D FOUR

The new entry into the HELIX world! The amplifiers of the D series are solely modest with respect to pricing. Everything else is thoroughly pure HELIX quality without any compromises. Loads of power, excellent measurement data and a whole bunch of features ensure a pristine and crispy sound experience!

Absolutely nothing has been missed for powerful sound reproduction - the active crossover with highpass filter, lowpass filter, bandpass and bass boost are equally as self-evident as the intelligent highlevel input that incorporates Audiotec Fischer´s proprietary ADEP circuit. It is even possible to add an optional volume remote control for the amp channels C and D which is very useful if those outputs are firing a subwoofer.

The elegant design not only states right from the beginning the amp's heritage but also allows an easy integration into your car thanks to its compact dimensions. That is sound-tuning at its best!

Features

  • 4-channel high- and lowlevel input
  • Smart highlevel input with ADEP circuit (Advanced Diagnostics Error Protection) and Auto Turn-On function
  • Fully active crossover with highpass, lowpass, bandpass and bass boost
  • Extremely stable MOSFET power supply
  • “Input mode” switch for flexible input signal routing
  • Highlevel input sensitivity up to 14 Volts max.
  • Cable remote control for volume adjustment of the channels C & D optionally available
  • Massive aluminum heatsink for best cooling conditions

 

Special features:

Smart highlevel input

The latest generation of OE car radios incorporates sophisticated possibilities of diagnosing the connected speakers. If a common amplifier will be hooked up failure messages and loss of specific features (e.g. fader function) quite often appears - but not with the D FOUR.
The new ADEP circuit (Advanced Diagnostics Error Protection) avoids all these problems without loading the speaker outputs of the OE radio during high volumes unnecessarily.

Technical data

Output power RMS  ≤ 1% THD+N   
- @ 4 Ohms 4 x 65 Watts
- @ 2 Ohms 4 x 90 Watts
- @ 1 Ohm
- bridged @ 4 Ohms 2 x 180 Watts
- bridged @ 2 Ohms
Max. output power per channel* Up to 160 Watts RMS @ 2 Ohms
Amplifier technology Class AB
Inputs 4 x RCA / Cinch
4 x Highlevel speaker input
1 x Remote In
1 x Remote control input
Input sensitivity RCA / Cinch 0.5 - 6 Volts
Highlevel 1 - 14 Volts
Input impedance RCA / Cinch 30 kOhms
Input impedance highlevel 12 Ohms
Outputs 4 x Speaker output
Output voltage RCA / Cinch
Signal converter for digital input
Frequency response 10 Hz - 50.000 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
Subsonic
Phase
Slope high- / lowpass 12 dB/Oct.
Slope subsonic / lowpass
Signal-to-noise ratio digital input
Signal-to-noise ratio analog input 108 dB (A-weighted)
Distortion (THD) 0.02 %
Damping factor 65
Operating voltage 9.6 - 16 Volts
Idle current 1000 mA
Operating temperature range -40° C to +70° C
Fuse 2 x 25 A Maxi-fuse (APX)
Power rating DC 12 V ⎓ 50 A max.
Additional features Active, adjustable crossover, bass boost, input mode switch, highlevel input with automatic turn on function and Advanced Diagnostics Error Protection (ADEP), optional cable remote control
Dimensions (H x W x D) 53 x 320 x 230 mm /
2.09 x 12.60 x 9.06”

* In typical multi-channel applications (2- / 3-way system + rear + subwoofer)

Scope of delivery

1 x Amplifier HELIX D FOUR
1 x Mounting material
1 x Instruction manual

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