Owner's Manual

4826 Sterling Drive, Boulder, CO 80301 Specications
PH: 720.406.8946 [e-mail] www.psaudio.com 15-070-01-1
Rev B
Specications
©2021 PS Audio Inc. All rights reserved
®
Owner’s Reference BHK Signature Ampliers
BHK Signature 250 Stereo and BHK Signature 300 Mono
Unit Weight 83 lbs
Unit Dimensions 17.1” x 8.7” x 14” Chassis only. 15" deep including connectors.
Shipping Weight 92 lbs
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 Complement all Countries 4 - 10 amp fast blow 5x20mm Rail Fuses
Fuse Complement 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)
Other DC Trigger Input 3.5mm 5-15VDC
Warranty 3 years parts and labor on unit
1 year on vacuum tubes
Performance - Signature 250 (All Measurements with Both Channels Driven)
Output Power (120VAC Mains, 1KHz, 1% THD)
8Ω 250W minimum
4Ω 500W minimum (short term)
4Ω 200W (long term per IEC60065)
Gain 30.5dB +/-0.5dB
Sensitivity 1.3V
Input Impedance Unbalanced 100KΩ
Balanced 200KΩ
Output Impedance 50Hz, 2.8VRMS <0.1Ω
Frequency response @2.8VRMS 10Hz – 20KHz +/- 0.1dB
10Hz – 125KHz +0.1/-3.0dB
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