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Vacuum Tube - KT66, Tung-Sol Reissue

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Item ID: 004872
Starting at: $35.95
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Premium power beam tetrode, a reissue of the famous “Bluesbreaker” tube. Full tone with plenty of chime and powerful bass.

  • High quality & cost-effective
  • Originally a British equivalent to 6L6 and a mainstay of the British hi-fi industry
  • Used in '50s - '60s hi-fi favorites such as the Heath W-5M and many Leak amplifiers
Part Numbers
Single or MatchedOur Part NumberUPC/EAN
Matched PairT-KT66-TUNG-MP609722129619
Matched QuadT-KT66-TUNG-MQ609722129626

RoHS Compliant

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Product Reviews

5.00 out of 5 based on 1 reviews
5 out of 5

I've used these Tungsol Reissue KT66s in a homebuilt JTM45 MkII head clone for several years, and could not be happier. In comparison to the Shuguang I had in the amp initially, the Tungsol is clearer with more depth and wider bandwidth. The lows are strong, but not overbearing, almost piano-like in articulation; mids have depth and good note separation; highs sparkle with a touch of smooth compression, even when clean. General feel not far from a 6L6, which can lend a nice change of tone and response to a Marshall-type amplifier if searching for a sound with less grind and firmer attack.

- November 18th, 2015

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