PS Audio BHK Signature 250 Stereo Power Amplifier

The BHK Signature 250 stereo power amplifier bears no witness to compromise. No construction details were overlooked, no performance weakness tolerated.


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Product Description

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.


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] Color Options: Black
Voltage Options
Europe/Asia/Australia/New Zealand: 230V
Audio Inputs: RCA (Unbalanced)
XLR (Balanced)
Speaker Outputs: Gold plated copper binding posts (2 pair per channel)
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
Gain: 30.5dB +/-0.5dB
Sensitivity for rated output power of 250 watts into 8Ω: 1.3V
Noise: 100-20KHz <-85dBV Input impedance: Unbalanced 100KΩ Balanced 200KΩ 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% Output Power
Both channels driven 120vac mains, 1kHz, 1% THD
8Ω: 250W minimum
4Ω: 500W minimum
Damping factor: >150

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