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Product Description

Balanced Audio Technology VK-55SE power amplifier

Stereophile Magazine Class-A Rated Component!

Balanced Audio Technology's VK-55SE retains all of the strengths that have made the VK-55 such a stellar performer. These include the same world-class automatic bias circuit found in BAT's reference VK-150SE tube power amplifiers, and the compact form factor that has made this design such a powerhouse in the industry.

So how did Balanced Audio Technology improve upon an already superlative, fully balanced, automatic biasing, all-triode design topology?

"The BAT had a sound that was always vivid, relaxed and liquid. The BAT's grain-free, uncolored, and quiet sound worked to reproduce music in a way that came dangerously close to the live experience!" -Stereophile, Class-A Rated Amplifier, October 2011 

Here's how the VK-55SE is simply a better power amplifier in all respects:
Balanced Audio Technology incorporates the 6H30 SuperTube into a completely revised first gain stage for the VK-55SE power amplifier. This is the same tube used in their reference VK-150SE monoblock tube amplifiers and provides the VK-55SE with a more transparent, extended, and involving reproduction of the musical performance.

The resistive current sources in the VK-55 power amplifier are replaced with vacuum tube based current sources in the VK-55SE. You'll find this same technology employed in their flagship REX preamplifier. These vacuum tube current sources provide a more soulful portrayal of musical texture and instrumental timbre. The musical performance sounds more alive while simultaneously yielding more finesse, grace and inner detail.

BAT has increased the power supply energy storage of the VK-55SE to over five times that of the VK-55! Needless to say, the dynamic performance of the VK-55SE reaches a new level altogether – a dynamic performance worthy of its Special Edition status.

The VK-55SE also substitutes the paper-in-oil capacitors used in our flagship products for the polypropylene capacitors employed in the VK-55. The sound becomes more natural and coherent from the substitution of these premium oil-filled capacitors.

The VK-55SE is available as either a 55 watt-per-channel stereo amplifier or a 110 watt monoblock amplifier. Best of all, the VK-55 power amplifier can be fully upgraded to the VK-55SE. Start with a single stereo VK-55, then upgrade later to a stereo VK-55SE – and if you ever change speakers or simply want more power, you can further upgrade to VK-55SE monoblocks.

The VK-55SE is a fitting addition to a Special Edition lineup that has made BAT one of the most respected brands in high-end audio. The VK-55SE offers more of the magic that already makes the VK-55 such a special amplifier – digging still deeper into the raw emotional power that bestows music with transcendent grace.

Output Power (Stereo Model): 55Wpc
Output Power (Monoblock): 110W
Frequency Response: 8Hz to 200kHz
Input Impedance: 215kΩ
Gain (nominal into 8Ω): 25dB
Tube Complement:
   2x 6H30
   2x 6SN7
   2x 6922
   4x 6C33
Dimensions: 17" x 16" x 8"
Weight: 50 lbs.

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