Audiotec Fischer - HELIX C ONE

  User’s Manual HELIX C ONE

The power house sound: an extremely powerful and surprising sound quality. Helix C ONE is a high-end 1-channel amplifier that can also drive the powerful subwoofers to the maximum. The very low noise and very low class Class A driving stage feeds a total of 32 hand-selected MOSFET power transistors, resulting in an incredible damping factor of 1,000 for the unstoppable control of each speaker.

Furthermore, the intelligent regulation of the power supply ensures stable conditions for the output stages and therefore a phenomenal output power almost independent of the voltage of the car battery. And for even more power output, two C ONE amplifiers can be combined with a single power plant, thanks to TwinPower Link.

Despite its impressive output power, the C ONE is definitely not a pure subwoofer amplifier. With an extended frequency response up to 80 kHz and an architecture designed down to the last detail for maximum sound quality, the C ONE is also a perfect companion for heavy-duty mid-woofers in audiophile system concepts.

In combination with the optional digital input module HDM 1, the C ONE demonstrates the perfect transition to the digital age. The HDM 1 accepts digital audio signals up to a sampling frequency of 96 kHz via its optical input followed by cutting-edge BurrBrown D / A converters with 32-bit resolution that transform the signals into the analog domain. Therefore, C ONE is absolutely future-proof and perfectly prepared for the combination with our digital signal processors.

• Extremely powerful Class AB amplifier with up to 1,100 Watts RMS at 1 Ohm - a perfect match for all 2 x 2 Ohm subwoofers connected in parallel
• Can also be used as an ultra-wide band amplifier with exceptional sound quality, ideal for high-resolution audio
• Driver for ultra-low noise and distortion-free power amplifiers in Class A technology.
• Huge damping factor of 1,000 @ 4 ohms for maximum speaker control
• HELIX Digital Input Module (HDM) optionally available to extend the amplifier with an optical digital input in SPDIF format
• Switched DC / DC switching power supply with Start-Stop function up to 6V of supply voltage
• Microprocessor based amplifier status monitoring, including temperature dependent fan control
• Active and integrated crossover with high-pass, low-pass, band-pass, bass boost and phase control
• TwinPower Link for connecting two amplifiers in bridge mode
• State-of-the-art BurrBrown D / A converters with 32-bit resolution in combination with the optional HDM 1 module
• Solid 24-karat gold-plated speaker and power terminals
• Quad-layer PCB with 70μ extra-solid copper traces for minimum losses and SMD (Surface Mounted Device) manufacturing technology

Special features:

Start-Stop Functionality The HELIX C ONE switched power supply ensures operation even if the battery voltage drops to 6 Volts during the crank of the motor.

High resolution audio
The amp extremely wide audio bandwidth ensures audio reproduction without loss of high resolution audio data to provide the best possible studio quality sound.