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PS Audio BHK Signature Preamplifier

Designed by Bascom H. King, the BHK Signature distills Bascom’s 50 plus years of high-end audio design experience into a single masterpiece of audio amplification. "This is the best sounding preamplifier I have ever designed or heard,” and that’s saying a lot for a man of Bascom’s experience. Preamplifiers play a critical role in any separates audio system, strategically positioned between sources of music: CD players, phono preamps, DACs, tape recorders and tuners – and your power amplifier – the preamp serves essential roles of control and isolation. Control is simple in concept, but extraordinarily difficult to design in an acoustically transparent manner. Control duties such as input switching, volume, balance, and amplification can place unwanted acoustic thumbprints on the music if not designed with extraordinary care. The challenge in any design is to do as little damage to music’s purity as possible.
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7 900,00 €
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Descrição

Introducing one of the most remarkable musical instruments in the world, the BHK Signature Preamplifier. This exceptionally built vacuum tube preamplifier opens up the music and reveals nuances, life and space not previously heard on your system. It is the perfect interface between your sources and power amplifier.

Características

Physical

Unit Weight22 lbs [9.97 kg]
Unit Dimensions17” x 14” x 4” [ 36cm x 43cm x 10cm]
Shipping Weight31 lbs [14 kg]
Shipping Dimensions20.5”x 24” x 10” [52cm x 61cm x 25cm]

Power requirements

Input PowerModel specific 100VAC, 120VAC, or 230VAC 50 or 60Hz
Power Consumption60W

Audio inputs

Coaxial RCA single ended 
XLR Balanced
5
5
Input Impedance
Unbalanced (RCA) 
Balanced (XLR)
33KΩ minimum
66KΩ minimum
SensitivityUnbalanced 1.3V/33KΩ
Balanced 1.3V/66KΩ

Audio Outputs

Coaxial RCA single ended
XLR Balanced

2

Analog Audio Output

Output level4.0 Vrms
Output Impedance<100Ω
Frequency Response
20-20KHz
+/- 0.1dB
THD&IM @ 1KHz (full scale)<0.03%
Bandwidth-3dB 0.1Hz - 200kHz

DC Triggers

+12V2

Headphone Performance

Output Power
300Ω 
16Ω >
>200mW
4.0 Watts
S/N Ratio>90dB (1KHz)
THD & IM 1 volt out<0.02%
Output Impedance<0.5Ω