PS Audio BHK Stereo 250 Power Amplifier Ex-Demo

PS Audio BHK Stereo 250 Power Amplifier Ex-Demo
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PS Audio BHK Stereo 250 Power Amplifier Ex-DemoPS Audio BHK Stereo 250 Power Amplifier Ex-DemoPS Audio BHK Stereo 250 Power Amplifier Ex-Demo
£6,400.00 £7,999.00
(£5,333.33 Exc. VAT)
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In Stock

Free U.K. Delivery

Availability

Enquire now to purchase
01892 532 995

Free standard next day delivery
  • Zero-loss vacuum tube input stage
  • Differentially coupled balanced MOSFET output stage
  • All through hole construction (no surface mount parts)
  • RCA Single ended input
  • XLR balanced input
PS Audio
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PS Audio BHK Stereo 250 Power Amplifier

Perfect condition Ex-Demo. Subject to availability.

Stereo 250 Watt no compromise power amplifier

The BHK Signature 250 stereo power amplifier bears no witness to compromise. No construction details were overlooked, no performance weakness tolerated. This stereo power amplifier is the industry reference standard for performance—an investment grade musical instrument that brings music to life. The BHK Signature 250 stereo is built upon two proven topologies: a zero-loss vacuum tube input stage coupled to a high bias differentially balanced MOSFET output. If you are uncomfortable with compromise and seek the finest performance, reliability, and build quality in a single-chassis format, the BHK Signature 250 is a perfect fit.

When cost-no-object performance is the goal there are a rare handful of power amplifiers capable of transporting listeners into a musical space few are able to enjoy. The BHK Signature 250 is one such amplifier. Lush, gorgeous, powerful, revealing, hand built, perfect.

The BHK Signature 250 Stereo Power Amplifier culminates one man’s lifelong quest for perfection in power amplification. Bascom H. King’s magnum opus combines a vacuum tube input with a powerful MOSFET output capable of 250/500 watts per channel.  The BHK Signature 250 Stereo amplifier can drive any loudspeaker to musical perfection and is the most important element in your music reproduction chain.

Shipping typically 2-3 days
  • Zero-loss vacuum tube input stage
  • Differentially coupled balanced MOSFET output stage
  • All through hole construction (no surface mount parts)
  • RCA Single ended input
  • XLR balanced input
  • 250 watts per channel 8Ω Signature
  • 500 watts per channel 4Ω Signature
  • 2Ω stable Signature 250 stereo
  • Less than 0.1% thd 20Hz to 20kHz at rated power
  • Damping factor 100 for excellent loudspeaker control
  • Front panel standby button for vacuum tube input
  • -3dB greater than 200kHz
  • Dual, custom, solid copper, gold plated output binding posts
  • Fully balanced from input to output
  • 83 pounds
  • Input 12 volt trigger
  • Easy access for tubes

Unit Weight: 83 lbs
Unit Dimensions: 17.1” x 8.7” x 14” Chassis only. 15" deep including connectors.
Shipping Weight: 92 lbs
Shipping Dimensions: 21”x 13” x 19”
Color Options: Black, Silver
Voltage Options:  Factory set only Japan 100V, North America 120V, Europe/Asia/Australia/New Zealand 230V
Mains Power Inputs: IEC C14
Fuse Compliment all Countries: 4 - 10 amp fast blow H-Rated 5x20mm Rail Fuses
Fuse Compliment Mains:
100vac Countries:
1 - 2 amp slow blow H-rated 5x20mm
1 - 12 amp slow blow H-rated 5x20mm
120vac Countries:
 1 - 1.6 amp slow blow H-rated 5x20mm
 1 - 10 amp slow blow H-rated 5x20mm
230vac Countries:
 1 - 1 amp slow blow H-rated 5x20mm
 1 - 5 amp slow blow H-rated 5x20mm
Accessories Included: US (NEMA 5-15P) (all versions), Schuko (CEE7/7) (230V version), UK (BS 1363) (230V version)
Audio Inputs: RCA (Unbalanced), XLR (Balanced)
Speaker Outputs Signature 250: Gold plated copper binding posts (2 pair per channel)
Speaker Outputs Signature 300: Gold plated copper binding posts (2 pair)
Other: DC Trigger Input, 3.5mm 5-15VDC
Warranty: 3 years parts and labor on unit, 1 year on vacuum tube
Power Consumption:
@Ready 75 Watts
@Idle 175 Watts
@Rated power 8Ω 850 Watts
@Rated power 4Ω 1600 Watts
Signal
Gain: 30.5dB +/-0.5dB
Sensitivity for rated output power of 250 watts into 8Ω: 1.3V
Noise: 100-20KHz <-85dBV
Input impedance Signature 250 stereo: Unbalanced 100KΩ, Balanced 200KΩ
Input impedance Signature 300 mono: Unbalanced 50KΩ, Balanced 100KΩ
Output Impedance: 50Hz, 2.8VRMS <0.1Ω
Frequency Response: @2.8VRMS, 10Hz – 20KHz +/- 0.1dB,  10Hz – 200KHz +0.1/-3.0dB
THD&IM
1KHz, 1W/8Ω: <0.01%
20-20KHz, 1W/8Ω: <0.1%
1KHz, 200W/8Ω: < 0.1% (120VAC Mains input)
1KHz, 400W/4Ω: < 0.1% (120VAC Mains input)
Signature 250 Stereo Amplifier
Output Power
Both channels driven 120vac mains, 1kHz, 1% THD
8Ω 250W minimum
4Ω 500W minimum
2Ω Stable for musical transients
Damping factor >150
Signature 300 Mono Amplifier
Output Power
120vac mains, 1kHz, 1% THD
8Ω 300W minimum
4Ω 600W minimum
2Ω 1000W
Damping factor >350

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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