PS AUDIO BHK Stereo 250 Power Amplifier
€7,499.00
Upsell products
Description
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.
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. The BHK Signature 250 Stereo amplifier can drive any loudspeaker to musical perfection and is the most important element in your music reproduction chain.
- 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
BHK Signature 250 Stereo and BHK Signature 300 Mono |
|
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” |
Color Options | Black Silver |
Voltage Options Factory set only |
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 – 1.6 amp slow blow H-rated 5x20mm 1 – 10 amp slow blow H-rated 5x20mm 230vac Countries 1 – 1 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 Signature 250 | Gold plated copper binding posts (2 pair per channel) |
Speaker Outputs Signature 300 | Gold plated copper binding posts (2 pair) |
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 250 stereo | Unbalanced 100KΩ Balanced 200KΩ |
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% |
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 |
8Ω | 250W minimum |
4Ω | 500W minimum |
2Ω | Stable for musical transients |
Damping factor | >150 |
Signature 300 Mono Amplifier |
|
Output Power |
120vac mains, 1kHz, 1% THD |
8Ω | 300W minimum |
4Ω | 600W minimum |
2Ω | 1000W |
Damping factor | >350 |