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About the VK-3i
The Balanced Audio Technology VK-3i is a fully balanced, stereo tube line preamplifier using four 6922 tubes and two 6V6 tubes. It provides balanced XLR and single-ended RCA inputs and outputs, 20 dB maximum gain, a 2 Hz–300 kHz frequency response at unity gain (−3 dB), a maximum output of 40 V RMS, 0.01% distortion at 2 V output, and −100 dB unweighted noise. Its 99-step volume control offers approximately 0.5–1 dB resolution. Output impedance is 1 kΩ, with a recommended minimum power-amplifier input impedance of 10 kΩ. The chassis measures approximately 19 × 5.75 × 15.5 inches and weighs about 30 lb. Remote control and phono-stage options were available. The VK-3i is an older, discontinued model.
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