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• Overview – The BAT VK-80i Integrated Tube Amplifier is a fully balanced, all-triode integrated amplifier from Balanced Audio Technology, built in the USA and incorporating technology first developed for the company’s flagship REX 3 series.
• Key Technology – Four 6C33C-B triode output tubes deliver far greater current than the 6550 or KT90 tetrodes used in most tube integrateds, backed by a fuse-less MOSFET protection circuit and intelligent auto-bias that adjusts for line voltage and tube aging.
• Performance – The Absolute Sound called it a stunning piece of industrial art delivering over 55 watts per channel of pure triode power, with continuous per-tube current monitoring and thermal protection guarding against silent clipping.
• Specs – The BAT VK-80i Integrated Tube Amplifier delivers 55W per channel at 8Ω/4Ω. THD at full power: 3%. Frequency response: 8Hz–200kHz. Input impedance: 215kΩ. Power consumption: 400W idle, 800W full power. Inputs: 1x XLR, 3x RCA. Output impedance taps: High (6–8Ω), Medium (4–6Ω), Low (3–4Ω). Volume control: resistive ladder, 90 steps, 1dB per step. All-metal remote control included.
• Dimensions – Measures approximately 431mm (W) × 203mm (H) × 406mm (D) (17 × 8 × 16in).
• Weight – Weighs approximately 20.4kg (45lb).
• Product Review – The BAT VK-80i Integrated Tube Amplifier was reviewed by The Absolute Sound: https://www.theabsolutesound.com/articles/balanced-audio-technology-vk80i-integrated-amplifier/. It was also featured by Pursuit Perfect System: https://www.pursuitperfectsystem.com/introducing-bats-vk80i-tube-integrated-amplifier/.
This is a fair ask, slightly on the friendly side: S$6,980 sits below the S$7,087 25th percentile and well under the S$8,056 median, so it reads as a legitimate bargain rather than just a decent market-price listing.
The VK-80i is a well-regarded pure-triode integrated with real pedigree, a serious power supply, and enough drive to make demanding speakers feel properly lit up. At this price and in like-new condition, the appeal is simple: you get a respected statement tube amp without paying the usual new-ownership premium. I’d still confirm tube hours, original remote, and packaging, but nothing here screams caution; it looks like a good buy for someone ready to commit to a large, high-current tube integrated.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Balanced Audio Technology (BAT) emerged in 1995 in the United States, founded by Steve Bednarski, Victor Khomenko, and Geoff Poor—engineers united by a passion for superior sound reproduction. From its inception, BAT distinguished itself through innovative balanced circuit topology, a design that inherently rejects noise and safeguards signal integrity, setting the stage for its enduring pursuit of audio purity.
The brand specializes in ultra-high-end components, including fully balanced tube and solid-state power amplifiers, preamplifiers, and phono preamps. Hand-built in a dedicated U.S. facility by skilled craftsmen, these products prioritize meticulous engineering to preserve the original signal's natural beauty, eschewing speakers, turntables, DACs, headphones, or cables in favor of core amplification excellence.
BAT commands a revered position in the high-end hi-fi market, catering to discerning audiophiles worldwide across over 40 countries. With a 25-year legacy of uncompromising performance, it embodies niche boutique prestige, where balanced architecture delivers unmatched transparency and dynamics for those seeking reference-level systems.
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