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BAT VK-33SE Tube Linestage Preamplifier

Transformer-Coupled Outlets Provide Significant Upgrades in Dynamics and Transparency: Balanced Audio Technology VK-33SE Tube Linestage Preamplifier Offers Reference-Level Dynamics

Customizable User Interface and Shunt Volume Control on BAT VK-33SE Tube Linestage Preamplifier Epitomize Primary Design Goal: Make Your Listening Experience the Best It Can Be

The “SE” version of the renowned VK-33, the BAT VK-33SE tube linestage preamplifier adds transformer-coupled outputs to provide a significantly more dynamic and transparent rendition of the musical event at hand. This approach is substantially superior to any capacitor in terms of maintaining signal purity. Such transformers also improve the ability to drive low-impedance loads. When coupled with the amplifier’s existing strengths—Unistage circuit, superb user interface, shunt volume control, and reference-level dynamics and speed—these enhancements make VK-33SE a sonic marvel that demands to be heard. 

Uncommonly Good Transformer Design
With its new transformer-coupled outputs and superb user interface, VK-33SE offers both extremely dynamic, transparent renditions of musical events and the industry’s best ease-of-use versatility. The result of intense research, each of the preamplifier’s transformer-coupled outputs is encapsulated within a mu-metal shield, a design substantially superior to any capacitor in maintaining purity of signal transmission. True to its heritage, VK-33SE uses the 6H30 SuperTube to form a high-current, low-impedance gain stage. For extra convenience, the fully balanced VK-33SE even incorporates a mix of balanced and single-ended inputs as well as outputs.

Never Fret About Volume Levels Again
Effectively, the signal in VK-33SE is transmitted through only one gain stage. This trademarked Unistage circuit provides the ultimate simplicity of amplifying the incoming signal only once and uses no global feedback to double-back on the straight-through integrity of said signal. Pass music through too many gain stages, and you’ll no longer recognize the genius and beauty of your favorite recordings. And with VK-33SE, you can always get the volume just right. A proprietary electronic shunt volume attenuator offers 140 steps of 0.5dB resolution that give precise, repeatable volume settings that sound continuous to the human ear.

Unparalleled User Interface and Options
VK-33SE is easy to use right out of the box. You can dim the display from the comfort of your chair by using the BAT remote. Fade music at the touch of a button. Switch phase to see if a recording is made in reverse absolute polarity. Even name your sources. For example, name your home-theater playback input “THTR.” Then, fix the volume for your THTR input to control your home-theater system from your pre/pro remote. Analog lovers are also in luck. Simply order VK-33SE with Balanced Audio Technology’s VK-P3 phono card, which provides switch-selectable moving-magnet and moving-coil gain settings.

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Inputs: 2x XLR + 3x RCA

    Main: 1x XLR + 1x RCA
    Tape: 1x RCA
Maximum Gain: 18dB
Global Feedback: None
Volume Control Resolution: 0.5dB
Volume Control Number of Steps: 140
Frequency Response: 2Hz to 200kHz
Input Impedance (minimum): 100kΩ
Output Impedance: 300Ω
Noise (unweighted): -96dB
Distortion at 2V output: 0.005%
Maximum Output Signal: 30V
Absolute Polarity: Switchable
Power Consumption: 150VA
Tube Complement: 4x 6H30, 2x 6C19
Dimensions: 19" x 5.75" x 15.5"
Weight: 40 lbs.

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