PS Audio BHK Signature 250
Features
ZERO LOSS INPUT TUBE
FRONT PANEL STANDBY BUTTON
BALANCED INPUT TO OUTPUT
DUAL, COPPER, PLATED, OUTPUT BINDING POST
PRODUCT DETAILS
General
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 – 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 Signature 250- Gold plated copper binding posts (2 pair per channel)
Speaker Outputs Signature 300- Gold plated copper binding posts (2 pair)
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)
Output Power
Both channels driven 120vac mains, 1kHz, 1% THD
8Ω- 250W minimum
4Ω- 500W minimum
2Ω- Stable for musical transients
Damping factor- >150