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PS Audio BHK Signature 250 Power Amplifier - Stereo

PS Audio


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“The first amplifier I gave up a lifetime obsession with tubes for” Arnie Nudell, founder, Infinity Systems.

Have you ever wanted to own the finest stereo amplifiers in the world but were scared off by a six-figure price tag? All that is about to change. The BHK Signature Series power amplifier is a stunning achievement in power amplification and Bascom H. King’s finest work, unequaled in performance at any price. Power amplifiers are the make-or-break component in the music reproduction chain. Everything in your system funnels into this critical component; anything lost can never be recovered.  The BHK Signature features a zero-loss vacuum tube input stage coupled to a high bias differentially balanced MOSFET output. This amplifier has few rivals at any price and, in terms of sheer musicality, openness, tonal richness and accuracy, none.

  • 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

Download a review of the BHK Signature 250 amplifier