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JJ KT88 Matched Pair The JJ Electronics KT88 has beautiful imaging and nice full bass response. Great for the Dynaco MkIII.

|  | JJ KT88 Matched Quad The JJ Electronics KT88 has beautiful imaging and nice full bass response. Great for the Dynaco MkIII.

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SOVTEK 6550 MATCHED PAIR SOVTEK 6550 MATCHED PAIR

|  | SOVTEK 6550 MATCHED QUAD SOVTEK 6550 MATCHED QUAD

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6550 Tungsol Reissue Matched Pair New Russian made reissue of the venerable TungSol 6550 tube. Well regarded by those who've tried them so far. Price is for a matched pair (2 tubes) and includes factory matching.

|  | 6550 TungSol Reissue Matched Quad New Russian made reissue of the venerable TungSol 6550 tube. Well regarded by those who've tried them so far. Price is for a matched quad (4 tubes) and includes factory matching.

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TUNGSOL 6550 REISSUE reissue of the venerable TungSol 6550 tube. Well regarded by those who've tried them so far. Price is for a single tube.

|  | SOVTEK KT88 SINGLE TUBE SOVTEK KT88 SINGLE TUBE

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KT90EH ELECTRO-HARMONIX MATCHED PAIR - SPECIAL ORDER KT90EH ELECTRO-HARMONIX MATCHED PAIR - SPECIAL ORDER - PLEASE ALLOW APPROX. 1 WEEK

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