PS AUDIO BHK Signature 250 Stereo Amplifier - Silver

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. When cost-no-object performance is the goal there are a rare handful of power amplifiers capable of transporting listeners into a musical space few are able to enjoy. The BHK Signature 250 is one such amplifier. Lush, gorgeous, powerful, revealing, hand built, perfect. 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.

Nothing in the design of a power amplifier is more important than its input stage when preserving music’s finest nuances. In the BHK Signature, a vacuum tube serves as the perfect interface between the preamplifier and MOSFET output stage. This hybrid approach offers stunning musical performance and unrivaled, effortless drive to the speaker. The Signature 250 Stereo Amplifier is the ultimate choice when a single chassis solution is required.

Specifications:

Unit Weight83 lbs [37.6 kg]
Unit Dimensions17.1” x 8.7” x 14” Chassis only. 15″ deep including connectors.
Shipping Weight92 lbs [41.7 kg]
Shipping Dimensions21”x 13” x 19”
Color OptionsBlack
Silver
Voltage Options
Factory set only
Japan 100V
North America 120V
Europe/Asia/Australia/New Zealand 230V
Mains Power InputsIEC C14
Fuse Compliment all Countries4 – 10 amp fast blow H-Rated 5x20mm Rail Fuses
Fuse Compliment Mains100vac 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 IncludedUS (NEMA 5-15P) (all versions)
Schuko (CEE7/7) (230V version)
UK (BS 1363) (230V version)
Audio InputsRCA (Unbalanced)
XLR (Balanced)
Speaker Outputs Signature 250Gold plated copper binding posts (2 pair per channel)
Speaker Outputs Signature 300Gold plated copper binding posts (2 pair)
OtherDC Trigger Input
3.5mm 5-15VDC
Warranty3 years parts and labor on unit
1 year on vacuum tube

Power Consumption

 
@Ready75 Watts
@Idle175 Watts
@Rated power 8Ω850 Watts
@Rated power 4Ω1600 Watts

Signal

 
Gain30.5dB +/-0.5dB
Sensitivity for rated output power of 250 watts into 8Ω1.3V
Noise100-20KHz <-85dBV
Input impedance Signature 250 stereoUnbalanced 100KΩ
Balanced 200KΩ
Input impedance Signature 300 monoUnbalanced 50KΩ
Balanced 100KΩ
Output Impedance50Hz, 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%
1KHz, 200W/8Ω< 0.1% (120VAC Mains input)
1KHz, 400W/4Ω< 0.1% (120VAC Mains input)
  

Signature 250 Stereo Amplifier

 

Output Power

Both channels driven 120vac mains, 1kHz, 1% THD
8Ω250W minimum
4Ω500W minimum
2ΩStable for musical transients
Damping factor>150

Signature 300 Mono Amplifier

 

Output Power

120vac mains, 1kHz, 1% THD
8Ω300W minimum
4Ω600W minimum
2Ω1000W
Damping factor>350

Full 3 Year Warranty

PS AUDIO BHK Signature 250 Stereo Amplifier - Silver

SKU: PSAUDIO-87014

MSRP: CAD $10,999.95

Unit of Measure: Each

Note: Sold Only in Canada

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