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KR Audio 2A3

KR Audio 2A3
KR Audio 2A3KR Audio 2A3KR Audio 2A3
This powerful, high voltage triode delivers 2-5 Watts of pure class-A power. Visually stunning and fully compatible with all classic 2A3 tubes, this KR Audio 2A3 is the first choice when the quality of your sound matters.

  • Maximum Plate Voltage: 300 V
  • Maximum Plate Current: 100 mA
  • Plate Dissipation: 15 Watts
  • Va: 250 V
  • Ia: 70 mA
  • Vg: -45 V
  • Transconductance: 5.2 mA/V
  • Amplification Factor: 3.8
  • Filament Voltage: 2.5 V (DC/AC)
  • Filament Current: 2.5 A

    See the spec sheets here.

    See how KR Tubes are made in How It's Made.

    Price is for a Matched Pair

    • KR-2A3Regular price: $775.00Sale price: $585.00

    For maximum performance and longevity, vacuum tubes should always be stored and transported in a safe and secure fashion. The TubeCube and the TubeCube Pro provide a customizable shock-resistant environment for your tubes and helps prevent them from becoming microphonic or damaged.

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