Helix C FOUR




Helix HighEnd-klas 4-kanaligt slutsteg

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11 990,00 kr / pcs inkl. moms

Mer information

The C FOUR is a high-end 4-channel amplifi er that has been designed down to the last detail for ultimate sound quality. Audiotec Fischer’s proprietary ultra low-noise and ultra low-distortion class A driver stage feeds a total of 32 hand-selected MOSFET power transistors, resulting in an incredible damping factor of 1,000 for relentless control of every loudspeaker. The intelligent regulation of the power supply assures stable conditions for the output stages and therefore phenomenal output power independent of the cars battery voltage. In combination with the optionally available digital input module HDM2, the C FOUR demonstrates the perfect transition to the digital era. The HDM2 accepts digital audio signals up to 96 kHz sampling rate via its two optical inputs followed by cutting-edge BurrBrown D/A converters with 32 bit resolution that transform the signals back to the analog domain. Therefore the C FOUR is absolutely future-proof and perfectly prepared for the combination with our digital signal processors.


Technical data - Regulated DC-/DC power supply with start-stop capability down to 6 volts supply voltage
- Ultra low-noise and ultra low-distortion driver stages in class A confi guration
- Microprocessor-based monitoring of amplifi er status including temperature-dependent fan
- Extremely stable output stages comprising eight hand-selected MOSFET transistors per channel
for exceptional sound quality & performance
- Integrated active crossover with highpass, lowpass and bandpass filters
- Input Mode switch for flexible routing of the input signals
- Cutting-edge BurrBrown D/A converters with 32 bit resolution in combination with the
optional HDM2 module
- Massive 24-carat gold-plated power and speaker terminals
- Quad-layer PCB with extra-solid 70μ copper traces for lowest possible losses and SMD
(Surface Mounted Device) manufacturing technology

4 x 150 / 300 Watts @ 4 Ohms
4 x 220 / 440 Watts @ 2 Ohms
2 x 440 / 880 Watts @ 4 Ohms bridged

Inputs: 4 x RCA, 1 x Remote In
1 x Opt. Digital In (optional) Optional via HDM 2 module:
2 x Optical SPDIF (28 - 96 kHz)
Input sensitivity: RCA / Cinch 1 - 8 Volt
Outputs: 4 x Speaker output
Frequency response 10 Hz - 80.000 Hz
Highpass 15 Hz - 4.000 Hz adjustable
Lowpass 15 Hz - 4.000 Hz adjustable
Bandpass 15 Hz - 4.000 Hz adjustable
Slope highpass /lowpass 12 dB/Oct.
Signal-to-noise ratio 112 dB (A-weighted)
Distortion (THD) 0.007 %
Damping factor 1.000
Additional features: Adjustable, active crossover,
HDM slot, input mode
switch, Start-Stop capability

Dimension: 37.1 x 430 x 240 mm / 1.46 x 16.93 x 9.45″

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