BAT VK-255SE POWER AMPLIFIER
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Warmth of tubes, dynamics of solid state
The VK-255SE power amplifier represents Balanced Audio Technology’s hallmark out-of-the box approach to audio circuit design. Unlike most solid-state amplifiers that feature four or more gain stages in a high-feedback push-pull configuration, the VK-255SE features only two gain blocks in a high-power, zero feedback, and purely symmetrical design. Available as either a stereo or monoblock unit, the VK-255SE has the warmth and texture typically associated with the finest vacuum-tube designs combined with the dynamic capability of the best solid-state offerings.
A robust 300WPC plus supreme audio symmetry
The VK-255SE’s elegant signal path follows Balanced Audio Technology’s purist approach of using zero negative feedback to achieve the design goals of wide bandwidth and circuit linearity. The whole amplifier circuit consists of just two gain blocks and is based entirely on N-Channel MOSFET devices. Assuring ultimate symmetry of the resulting signal, both sides of the waveform are handled by identical devices in identical circuit configuration. The VK-255SE offers a robust 300 watts per channel into a four-ohm load; the monoblock version doubles the current delivery of the stereo edition.
Revised power supply equals enhanced musical refinement
To complement the inherent simplicity of the VK-255SE’s fully balanced design, only the highest-grade parts are used throughout. The revised power supply incorporates second-generation oil-filled capacitors. They increase the high-quality filtering capacity, dramatically lower the noise floor, and present a grain-free, more refined portrayal of musical harmonics. Coupling speed and grace with an exquisite fidelity to the timbre and texture of instruments and voices, the VK-255SE markedly closes the performance gap between vacuum-tube and solid-state amplification. It will serve as the anchor of any world-class system.
Output per channel at 8Ω/4Ω
150W / 300W
Conversion to Mono?
Output in Mono Configuration 8Ω/4Ω
200W / 400W
2Hz to 240kHz
THD at full power
Input Impedance - stereo version
Input Impedance - mono version
Gain (Nominal into 8Ω)
Number of Power Cords
12V Trigger Input & Output
Power Consumption (Idle/Full Power)
19" x 6.5" x 16"