PS AudioBHK SignaturePS Audio BHK Signature 250 Stereo Amplifier  Free shipping and you  receive the full warranty as we are authorized dealers.   We try to keep all PS Audio models in stock in silver and black for immediate delivery. HighPerformanc...7500.00

PS Audio BHK Signature 250 Stereo Amplifier [Expired]

no longer for sale


Free shipping and you  receive the full warranty as we are authorized dealers.   We try to keep all PS Audio models in stock in silver and black for immediate delivery. Please visit us at our new oceanfront showrooms at 3800 S. Ocean Dr., #234 in Hollywood (Miami/Fort Lauderdale) Florida 33019. Please phone (888)850-4366 to schedule an appointment or to discuss your needs. We liberally accept trade-ins.


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.

 The BHK Signature 250 and 300 power amplifiers are the culmination of one man’s half-century search for perfection in music’s reproduction. Bascom H. King has designed amplifiers for many companies, some selling in excess of $100,000, including: Constellation Audio, Marantz, Infinity, and Conrad Johnson. This is the first amplifier Bascom felt was good enough to lend his name to. It is his finest achievement in a lifetime of work.

Available in both stereo and mono models, the BHK Signature series is unparalleled in its ability to render details formerly lost in the music. The BHK Signature is a hybrid design enjoying performance benefits from multiple design techniques including, a balanced differential vacuum tube input, balanced differential MOSFET power outputs, and separate, isolated, analog power supplies feeding each.

When it comes to musically controlling and powering loudspeakers, the BHK Signature has no peer. The stereo Signature 250 produces 250 watts/per channel into an eight-Ohm loudspeaker, 500 watts/channel into four-Ohms, and stable into 2-Ohms; enough power to satisfy even the hungriest of loads.

The Mono Signature 300 doubles the output current with half the impedance of the stereo model. Each Mono Signature produces 300 watts into an eight-Ohm loudspeaker, 600 watts into four-Ohms, and 1000 watts into 2-Ohms.  But more than just doubling the current, the BHK Signature 300 also doubles every internal component of the 250 into one: double tubes, double power supplies, transistors, capacitors and resistors. The results are hard to put into words. The BHK Signature 300 is a clear step above the stereo 250, on the order of 20% better, though both have the same character of sound. Both the Stereo 250 and Mono 300 are one of the best performing, musical sounding amplifiers ever made. Imagine your delight listening to either. 


       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


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Last 12 months

Member since August 2012