6550 / KT88

Big power tube for high power guitar and bass amps and for hifi amps. For road use we recommend 6550 for better reliability. HIFI enthusiast usually found KT88 to sound better in HIFI amps.
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  1. KT88-STR TAD Premium Matched
    €52.00 €41.94
    Made following the style of British made MOV KT88. Learn More
  2. Old Style - 6550A-STR, TAD-Tubes Premium Matched, Single
    €51.00 €41.13
    Remake of the GE 6550A with triple getter structure Learn More
  3. TAD 6550A-STR BLACKPLATE, Premium Matched
    €65.00 €52.42
  4. KT88-STR BLACKPLATE TAD Premium Matched
    €65.00 €52.42
    Made following the style of British made MOV KT88. BLACKPLATE version. Learn More
  5. JJ 6550
    €42.00 €33.87
  6. Genalex Gold Lion KT88
    €59.00 €47.58
    Russian re-issue from original Genalex KT88 design. Learn More
  7. TungSol 6550
    €42.04 €33.90
    Very good quality Tung Sol 6550 re-issue tube from Russia. Sounds great and lasts long in guitar or hi-fi amps. Best new 6550 tube! Very close to original Tung Sol high $$$ classic... Learn More
  8. JJ KT88
    €46.00 €37.10
    Very good quality KT88 from JJ factory. Learn More
  9. Spring retainer for tubes like KT88 and 6550
    €1.50 €1.21
    Keep tubes tightly in their bases... Learn More
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9 Items

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