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PS Audio - BHK Signature Preamplifier (Ex Display)

Why Pay Full Price? Why Pay Full Price?
Original price $11,695.00
Original price $11,695.00 - Original price $11,695.00
Original price $11,695.00
Current price $8,695.00
$8,695.00 - $8,695.00
Current price $8,695.00
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ℹ Product Information

This PS Audio BHK Signature Preamplifier is an Ex Display unit, there is one available in black.

Preamplifiers are the heart of any high-end music system controlling input selection, the critical first amplification stage, volume and balance functions, and the all-important electrical isolation between sources and power amplifiers. Place the BHK Signature Preamplifier between your musical sources, such as a phono preamp, DAC, tuner or auxiliary source–and your power amplifier–and magic happens. Suddenly you are enveloped in a wealth of musicality you’ve not yet experienced: deeper, wider sound staging, improved separation of instruments and voices, Subterranean bass, extended highs, and an openness you have yet to experience without this instrument in the system.


  • Zero-loss vacuum tube input stage
  • User-accessible switch allows both 12 volt and 6 volt tubes to be used
  • Differentially coupled balanced MOSFET output stage
  • All through hole construction (no surface mount parts)
  • PRP resistors in the signal path
  • 5 RCA Single ended inputs
  • 5 XLR balanced inputs
  • Single-ended and balanced outputs
  • Single-ended and balanced outputs can be used together or separately
  • Fully balanced input to output
  • High current oversized power transformer
  • Fully regulated power supplies using BHK-designed MOSFET discrete voltage regulators
  • Full BHK designed zero feedback, discrete MOSFET headphone stage
  • Remote control
  • Front panel standby button for the vacuum tube stage
  • -3dB greater than 200kHz
  • Volume and balance through a revolutionary new combination of gain and attenuation control
  • Two output DC control triggers
  • Easy access to tubes if you want to roll with different ones
  • Each input can be configured as a HT bypass



  • Unit Weight - 22 lbs [13.5 kg]
  • Unit Dimensions - 14” x 17” x 4” [ 36cm x 43cm x 10cm]

Power requirements

  • Input Power - Model specific 100VAC, 120VAC, or 230VAC 50 or 60Hz
  • Power Consumption - 60W

Audio inputs

  • Coaxial RCA single ended (5), XLR Balanced (5)

Audio Outputs

  • Coaxial RCA single ended (2), XLR Balanced (2)

Analog Audio Output

  • Connector - RCA/XLR Unbalanced /Balanced (X2)
  • Output level - 4.0 Vrms
  • Output Impedance - <100Ω
  • Frequency Response - 20-20KHz +/- 0.1dB
  • THD+N @ 1KHz (full scale) - <0.03%
  • Bandwidth - -3dB 0.1Hz – 200kHz

DC Triggers

  • +12V - 2

A full warranty applies to Ex Display items. In most cases all packaging and manuals will be supplied, on larger items freight may not be included but pick-up is welcome or a freight quote can be provided. Items have been opened and slight marks may be present.

ℹ Specifications

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