HELIX C FOUR

- 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

control

- 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