PS Audio BHK Preamplifier
Features
ZERO-LOSS VACUUM TUBE INPUT STAGE
PRP RESISTORS IN SIGNAL PATH
SINGLE ENDED & BALANCED INPUTS
OVERSIZED POWER TRANSFORMER
STANDBY BUTTON FOR VACUUM TUBE STAGE
EASY ACCESS TO TUBES FOR CUSTOMIZATION
PRODUCT DETAILS
Physical
Unit Weight- 22 lbs [9.97 kg]
Unit Dimensions- 17” x 14” x 4” [ 36cm x 43cm x 10cm]
Shipping Weight- 31 lbs [14 kg]
Shipping Dimensions- 20.5”x 24” x 10” [52cm x 61cm x 25cm]
Power requirements
Input Power- Model specific 100VAC, 120VAC, or 230VAC 50 or 60Hz
Power Consumption- 60W
Audio inputs
Coaxial RCA single ended- 5
XLR Balanced- 5
Input Impedance- 33KΩ minimum
Unbalanced (RCA)- 66KΩ minimum
Balanced (XLR)
Sensitivity-
Unbalanced 1.3V/33KΩ
Balanced 1.3V/66KΩ
Audio Outputs
Coaxial RCA single ended- 2
XLR Balanced- 2
Analog Audio Output
Output level- 4.0 Vrms
Output Impedance- <100Ω
Frequency Response 20-20KHz- +/- 0.1dB
THD&IM @ 1KHz (full scale)- <0.03%
Bandwidth- -3dB 0.1Hz – 200kHz
DC Triggers
+12V- 2
Headphone Performance
Output Power- >200mW
300Ω 16Ω >- 4.0 Watts
S/N Ratio- >90dB (1KHz)
THD & IM 1 volt out- <0.02%
Output Impedance- <0.5Ω
