HELIX 1-channel High-Res amplifier with 1 Ohm stability and digital signal input (Class D) P ONE

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HELIX P ONE MK2

Raw power – Total control

Loads of power and tremendous stability: Our new P ONE MK2 is the ideal performance package for any subwoofer configuration. With up to 1,800 Watts RMS @ 1 Ohm, the upgrade to our powerful mono amplifier is going to rev up any woofer while always maintaining full control due to its enormous damping factor.

High-Res Audio and a fully digital signal chain

The P ONE MK2 is designed for more than just driving subwoofers. With its particularly wide frequency range up to 40 kHz and excellent signal-to-noise ratio as well as the extremely low THD, you can expect nothing less than High-Res sound quality, making it well suited for the use as a fullrange amplifier.
Due to the newly integrated optical digital input, interference-free and ground-isolated signal transmission in the best possible quality all the way into the amplifier is now possible. The input receives signals up to a 96 kHz sampling rate lossless via light conductor and converts them back to the analog level via a cutting-edge 32-Bit BurrBrown D/A converter. Thus, the P ONE MK2 can be perfectly combined with one of our DSP amplifiers with optical digital output, for example the HELIX P SIX DSP ULTIMATE.

Extremely high power density with particularly compact dimensions

In terms of power density, the P ONE MK2 plays in a different league. No other HELIX amplifier includes so much power into such a compact package. This unique power-to-size ratio enabled by our extraordinary efficient Class D concept, which goes hand in hand with exceptionally low heat dissipation.

Features

  • High performance Class D mono amplifier with up to 1,800 Watts RMS @ 1 Ohm – a perfect match for all 2 x 2 Ohms subwoofers connected in parallel
  • High-res capability thanks to an extended audio frequency response of over 40 kHz for unsurpassed sound quality
  • Extremely high efficiency and low heat dissipation with minimal dimensions
  • High damping factor for maximum speaker control
  • Digital, optical signal input in SPDIF format including SPDIF Direct In switch for routing the digital input signal directly and losslessly to the power stage
  • BurrBrown D/A signal converter of the latest generation with a resolution of 32 Bit
  • Switchable Subsonic filter
  • Regulated power supply with Start-Stop capability for extremely stable output power even during voltage drops
  • SMD (Surface Mounted Device) manufacturing technology combines minimum space requirement with maximum reliability
  • Input Mode switch to adapt the amplifier to the input signal
  • Perfectly combinable with HELIX P SIX DSP ULTIMATE amplifier

Technical data

  • Power RMS ≤ 1% THD+N
    • - @ 4 Ohms: 1 x 500 Watts
    • - @ 2 Ohms: 1 x 880 Watts
    • - @ 1 Ohm: 1 x 1,500 Watts
  • Max. output power per channel*: Up to 1.800 Watts RMS @ 1 Ohms
  • Amplifier technology: Class D
  • Inputs: 2 x RCA / Cinch, 1 x Remote In, 1 x Optical SPDIF (28 - 96 kHz)
  • Input sensitivity: RCA / Cinch 0.5 - 8 Volts
  • Input impedance RCA / Cinch: 20 kOhms
  • Outputs: 1 x Speaker output
  • Signal converter for digital input: BurrBrown 32 Bit DA converter
  • Frequency response: 21 Hz - 40,000 Hz
  • Subsonic: 21 Hz
  • Slope subsonic / lowpass: Butterworth 48 dB/Oct.
  • Signal-to-noise ratio digital input: 110 dB (A-weighted)
  • Signal-to-noise ratio analog input: 110 dB (A-weighted)
  • Distortion (THD): < 0.01 %
  • Damping factor: > 450
  • Operating voltage: 10.5 - 17 Volts (max. 5 sec. down to 6 Volts)
  • Idle current: 1500 mA
  • Fuse: 4 x 30 A LP-Mini-fuse (APS)
  • Power rating: DC 12 V ⎓ 160 A max.
  • Additional features: Input mode switch, SPDIF Direct In switch, Start-Stop capability
  • Dimensions (H x W x D): 50 x 260 x 190 mm / 1.97 x 10.24 x 7.48”
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