PS Audio BHK Signature 300


Colour: Silver, Pair
Price:
$24,995

Description

  • ZERO LOSS INPUT TUBE
  • POWERFUL MOSFET OUTPUT STAGE
  • THROUGH-HOLE CONSTRUCTION
  • RCA SINGLE-ENDED INPUT
  • XLR "TRUE" BALANCED INPUT
  • 300 WATTS PER CHANNEL 8Ω
  • 600 WATTS PER CHANNEL 4Ω
  • 1000 WATTS PER CHANNEL 2Ω
  • -3dB > 200khz
  • < 0.1% THD 20Hz - 20kHz AT RATED POWER
  • DAMPING FACTOR = 100
  • FRONT PANEL STANDBY BUTTON
  • BALANCED INPUT TO OUTPUT
  • DUAL, COPPER, PLATED, OUTPUT BINDING POSTS
  • INPUT 12 VOLT TRIGGER
  • FULLY PARALLELED INSIDE
  • EASY ACCESS FOR TUBES
  • Unit Weight: 83 lbs [37.6 kg]
  • Unit Dimensions: 17.1” x 8.7” x 14” Chassis only. 15″ deep including connectors.
  • Shipping Weight: 92 lbs [41.7 kg]
  • Shipping Dimensions: 21”x 13” x 19”
  • Colour: Options Black, Silver
  • Voltage Options
    • 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 – 2 amp slow blow H-rated 5x20mm
      • 1 – 10 amp slow blow H-rated 5x20mm
    • 230vac Countries
      • 1 – 1.6 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: Gold plated copper binding posts (2 pair per channel)
  • 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 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>#/li###
  • 20-20KHz, 1W/8Ω: <0.1>#/li###
  • 1KHz, 200W/8Ω: < 0.1% (120VAC Mains input)
  • 1KHz, 400W/4Ω: < 0.1% (120VAC Mains input)

Output Power

  • 120vac mains, 1kHz, 1% THD
  • 8Ω: 300W minimum
  • 4Ω: 1000W minimum
  • 2Ω: Stable for musical transients
  • Damping factor: >350

Parttime Audiophile, Rafe Arnott

I’ve heard this amplifier in several systems…over the past couple years, and came away incredibly impressed on every occasion. An effortless presentation to every recording is a hallmark of PS Audio in my experience, with speed, dynamics, and an innately natural, unforced sound to everything from heavy metal, to intimate acoustic guitar solos. King seems to have harnessed the best of both worlds (tubes, and solid state) in this design, and the fact that it’s made in the USA by real people, for living wages is further proof of company founder Paul McGowan’s commitment to delivering high...
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The Absolute Sound, Anthony Cordesman

They have truly exceptional imaging, depth, and natural soundstage width, and they really can get the best out of the naturally miked and produced recordings that have a real-world soundstage. The 300s’ dynamics are extraordinary, particularly in the lower octaves that seem to be in even more demand for audio reproduction today than the upper octaves. READ MORE


Stereophile Magazine Michael Fremer

The fact is, the BHK Signature 300 is a powerful, nimble-sounding amplifier that immediately drew me in with fast, punchy, tight bass; rich, liquid mids; and delicate, transparent highs—all effectively well integrated into a coherent whole. READ MORE


Hifizine Patrick Dillon

When PS Audio decided to re-enter the amplifier market with a statement product, I am not sure even Paul McGowan anticipated what would result. That they have succeeded in creating something special is clear from my listening. The process of bringing on board a legendary designer and allowing him freedom to design to a sonic target while keeping costs in the realm of reasonable (ahem!) is more than mere advertising hype. At nearly $15k for a pair, these are not highly affordable products but they are superior to any amp I’ve heard in my room, or most other rooms for that matter. How many... READ MORE


Soundstage! Erich Wetzel

PS Audio’s BHK Signature 300 Mono amplifiers produced wonderfully clear sound in my room, yet with a tangible, 3D quality that gave the music emerging from my speakers a bit more body -- which I really enjoyed. Their soundstaging was exceptional, and they proved unflappable throughout the listening period, despite being challenged with complex music and punishing volume levels. Their treble response was clean without sounding edgy, allowing me to enjoy longer listening sessions than I have with any other amp. I also appreciated the BHK Signatures’ tight-fisted bass reproduction, which...
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Hi Fi Statement,  Dirk Somer

The BHK Signature 300 Amplifier are nothing less than world-class amplifiers: Sonically they leave nothing to be desired, as they combine in perfect style power and control with softness and emotion. And PS Audio circuit Bascom H. Kings packed in simple and well designed housing instead of aluminum sculptures, the Monos can decorate with an unprecedented low price / sound ratio: downright reasonable dream amplifiers! READ MORE


Fedeltà del Suono Giulio Salvioni

The PS Audio BHK Signature 250 has everything that one would expect from a power amplifier of this category: it’s powerful, fast, accurate, gentle regarding its ability to convey the harmonic complexity of even the most difficult audio tracks and has a great dynamic reserve. Its ability to recreate a coherent and well focused soundstage puts this product among the best power amplifiers regarding this parameter. I could go on for a while extrapolating specific parameters and writing about how well the BHK behaved respect to them, but it would be useless. In my opinion the ultimate reason of... READ MORE

Yes, it's all things you'd expect from a top flight amplifier: powerful and precise, fast and dynamic, generous in its staging, and close in its focus. But its ability to translate those elements into a musically coherent and consistently compelling performance is what sets the BHK Signature apart from any other power amplifier I've listened to. I sense a classic in the making.
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Audio Video Magazine

Deon Schoeman

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