The VK-90t power amplifier features a fuse-less protection circuit, active current sources for its two gain stages, intelligent auto-bias circuit with LED indicators, and high-current, all-triode, zero-feedback, fully balanced topology. Its complemented by new, silver-gold oil capacitors and ultra-transparent internal wiring in the signal path. With VK-90t, BAT realizes that serious listeners want unique technology, user-friendly experiences, and faithful-to-the-source sonics in high-end equipment. VK-90t has no tubes to bias; no fuses to replace; no pentodes imitating triodes; and no direct current at the tube output stage.


  • 150W Mono Tube
  • 75WPC Stereo
  • Symmetrical single-ended bridge design
  • All triode signal path from input to output
  • Weight: 40kg
  • Dimensions W x H x D: 431mm x 228mm x 609mm