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KT66 Matched Quad Shuguang KT66, China

Price: $92.00
Item Number: KT66MQ
Manufacturer: Groove Tubes
Matched Quad Shuguang KT66 Made In China Brand New Tested. Matched To Exactly The Same Plate Current.

We bought these from Groove Tubes. These are from the same batch of tubes they put their logo on, match, grade and package. All four tubes in the quad are matched to exactly the same plate current. KT stands for "kinkless tetrode", developed by the British Marconi-Osram company in the '30s to address the non-linearity of most 6L6 family tubes. These tubes look like the "Valve Art" Shuguang KT66 still sold (for much more $$$) by many tube dealers worldwide. I've got twenty year old Valve Art tubes in my home hi-fi amps. If you've been buying "Groove Tubes" or Valve Art tubes, save your money and buy these instead because our testing is better and we actually listen to the tubes we sell.  One year replacement warranty. If a tube fails in normal service within one year of purchase date return it to us and we will replace it.

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