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PS Audio BHK Signature 300 Mono Power Amplifiers (Pair)

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 amplifier in the world but were scared off by a six-figure price tag? All that is about to change. The BHK Signature 300 Monoblock power amplifiers are a stunning achievement in power amplification and Bascom H. King’s finest work. 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 300 Monoblock features a zero-loss vacuum tube input stage coupled to a high bias differentially balanced MOSFET output. This amplifier is unmatched, in terms of sheer musicality, openness, tonal richness and accuracy, jaw dropping performance.

  • Zero-loss parallel vacuum tube input stage
  • Fully paralleled inside (not like a traditional bridged approach)
  • Differentially coupled, paralleled, balanced MOSFET output stage
  • All through hole construction (no surface mount parts)
  • RCA Single ended input
  • XLR balanced input
  • 300 watts 8Ω
  • 600 watts 4Ω
  • 1000 watts 2Ω
  • 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