PS Audio BHK Signature Pre Amplifier

PS Audio BHK Signature Pre Amplifier
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PS Audio BHK Signature Pre AmplifierPS Audio BHK Signature Pre AmplifierPS Audio BHK Signature Pre Amplifier
£5,999.00
(£4,999.17 Exc. VAT)
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In Stock

Free U.K. Delivery

Availability

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01892 532 995

Free standard next day delivery
  • Zero-loss vacuum tube input stage
  • User accessible switch (12 volt and 6 volt tubes)
  • High current oversized power transformer
  • All through hole construction
  • PRP resistors in signal path
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BHK Signature Pre Amplifier

State of the Audio Art in musical pre-amplification

Introducing one of the most remarkable musical instruments in the world, the BHK Signature Preamplifier. This exceptionally built vacuum tube preamplifier opens up the music and reveals nuances, life and space not previously heard on your system. It is the perfect interface between your sources and power amplifier.

Designed by Bascom H. King, the BHK Signature distils Bascom’s 50 plus years of high-end audio design experience into a single masterpiece of audio amplification. “This is the best sounding preamplifier I have ever designed or heard,” and that’s saying a lot for a man of Bascom’s experience. Preamplifiers play a critical role in any separates audio system, strategically positioned between sources of music: CD players, phono preamps, DACs, tape recorders and tuners – and your power amplifier – the preamp serves essential roles of control and isolation.

Control is simple in concept, but extraordinarily difficult to design in an acoustically transparent manner. Control duties such as input switching, volume, balance, and amplification can place unwanted acoustic thumbprints on the music if not designed with extraordinary care. The challenge in any design is to do as little damage to music’s purity as possible. Details on how each section of the BHK Signature executes control with minimal sonic impact can be found in the Overview section on this page.

Shipping typically 2-3 days
  • 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 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 separate
  • 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 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

Physical
Unit Weight: 22 lbs [13.5 kg]
Unit Dimensions: 14” x 17” x 4” [ 36cm x 43cm x 10cm]
Shipping Weight: 31 lbs [19 kg]
Shipping Dimensions: 20.5”x 24” x 10” [52cm x 61cm x 25cm]

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
Input Impedance: 33KΩ minimum
Unbalanced (RCA): 66KΩ minimum
Balanced (XLR)
Sensitivity: Unbalanced 1.3V/33KΩ, Balanced 1.3V/66KΩ

Audio Outputs
Coaxial RCA single ended: 2
XLR Balanced: 2

Analog Audio Output
Output level: 4.0 Vrms
Output Impedance: <100Ω
Frequency Response: +/- 0.1dB, 20-20KHz
THD&IM @ 1KHz (full scale): <0.03%
Bandwidth: -3dB 0.1Hz - 200kHz

DC Triggers
+12V: 2

Headphone Performance
Output Power:  >200mW
300Ω:  4.0 Watts
16Ω
S/N Ratio: >90dB (1KHz)
THD & IM 1 volt out: <0.02%
Output Impedance: <0.5Ω

UK Delivery

  • FREE delivery via DPD Local By 12pm on orders to value over £300, including one hour delivery window service 'Predict & Follow My Parcel'.
  • Royal Mail Special Delivery By 1pm costs between £5.00 - £10.00 on orders to value under £300, dependent on weight.
  • Saturday or Sunday delivery available upon request for supplemental charge.

EU Delivery

  • £25 delivery charge 'Flat Fee' via DHL Europe by Road service (3-5 days) which provides comprehensive tracking of shipments online.
  • £60 delivery charge 'Flat Fee' via DHL Europe by Air service  (1-2 days) which provides comprehensive tracking of shipments online.

USA & Canada Delivery

  • Services based on your order being shipped to the U.S. and Canada are calculated as follows:
    £100 delivery charge 'Flat Fee' via DHL international 'Day Definite' service per parcel.
    Receiver is responsible for the payment of local Duties and Taxes.

Exceptions

  • Not all products are available for order into Europe, USA & Canada

WARRANTY

  • Full manufacturer's warranty on all new purchases. Standard warranty is typically 2 years with some goods coming with 6 years manufacturer's warranty.
  • Goods purchased in UK and EU are covered by the Consumer Contracts Regulations.

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