The PS Audio BHK Signature preamplifier has been designed to become the heart of your Hi-Fi system. The BHK features a high current oversize transformer, zero-loss vacuum tube input stage and resolution perfect volume control providing a clear untainted signal path from your source components through to your power amplifiers. Designed by legendary designer Bascom H. King, King states that this pre-amp is one of the best he has heard and considering he has 50 years in the industry i am sure he has heard quite a few!
PS Audio BHK Signature preamplifier Key Features;
- High current oversize transformer
- Discrete hand-selected components
- Zero loss vacuum tube input stage
- Resolution perfect volume and balance controls
- Balanced circuit topology
- DC output triggers
- Vacuum tube standby control
- input naming and polarity control
Dimensions WDH: 430mm X 360mm X 100mm
Weight: 13.5kg
Available in silver or black
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DESIGN
The BHK Signature Preamplifier features two 12AU7 dual triode vacuum tubes in the input stage that act as a zero feedback balanced input amplification pair. A combination of an input stepped attenuator, built around the highest quality passive components for course volume adjustments, coupled with controlling the actual gain of the vacuum tube for finer steps, turned out to be the most sonically transparent level control we have yet heard. Finally, the output stage is a high-bias class A MOSFET design that is unaffected by cable and power amplifier interface challenges.
APPLICATION
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. The BHK Signature Preamplifier features 5 identical balanced and single-ended inputs, and converts all input signals into a balanced signal for the lowest possible distortion, and can be used in a two-channel audio system or as part of a home theatre system. The high-bias Class A MOSFET output stage ensures unmatched performance with any cable and amplifier interface
