Products > Full Revalve Kits > Blackstar Series One

These full revalve kits use specially chosen valves to help you attain the sound that you are looking for from your amplifier. The valves have been specially chosen for their sound characteristic. They are specially position matched as to their function in your amplifier. They are selected for gain, triode balance, low noise and microphonics. These kits are backed by over 25 years of experience in selecting pre amp valves for professional musicians who trust their sound to Watford valves.

Series One valve guitar amps deliver incredible high gain performance with a level of tonal refinement found previously only in the very best boutique and vintage amps. We choose the best valves to deliver the best of what these amps have to offer

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  • NameBrandCommentStockPrice PhotoOrder
  • Blackstar Series One 45 EL34 MK2 JJ Full Revalve KitBlackstar Full Revalve KitsOur JJ revalve kits consist of a specially selected set of JJ ECC83S preamp valves combined with selected and matched ...In stock£110.00Buy Now
  • Blackstar Series One 45 STR Marshall EL34B Full Upgrade KitBlackstar Full Revalve KitsSpecial Offer

    The Marshall EL34B & Harma ECC83 STR Full upgrade kit is designed to give a great rock sound with ...
    In stock£108.00
    £94.00
    Buy Now
  • Blackstar Series One 45 Classic EL34 Retro Full Upgrade KitBlackstar Full Revalve KitsThis Classic upgrade kit is designed to provide a tight driving rock sound with plenty of rich sustain. This ...In stock£150.00Buy Now
  • Blackstar Series One 45 Classic EL34M Groove Tube Full Upgrade KitBlackstar Full Revalve KitsThis Groove Tube EL34 Mullard Classic upgrade kit is designed to give you the classic British Rock sound with a nice ...In stock£146.00Buy Now
  • Blackstar Series One 50 EL34 MK2 JJ Full Revalve KitBlackstar Full Revalve KitsOur JJ revalve kits consist of a specially selected set of JJ ECC83 S preamp valves combined with selected and matched ...In stock£110.00Buy Now
  • Blackstar Series One 50 STR Marshall EL34B Full Upgrade KitBlackstar Full Revalve KitsSpecial Offer

    The Marshall EL34B & Harma ECC83 STR Full upgrade kit is designed to give a great rock sound with ...
    In stock£108.00
    £94.00
    Buy Now
  • Blackstar Series One 50 Classic EL34 Retro Full Upgrade KitBlackstar Full Revalve KitsThis Classic Retro upgrade kit is designed to provide a tight driving rock sound with plenty of rich sustain. This ...In stock£150.00Buy Now
  • Blackstar Series One 50 Classic EL34M Groove Tube Full Upgrade KitBlackstar Full Revalve KitsThis Groove Tube EL34 Mullard Classic upgrade kit is designed to give you the classic British Rock sound with a nice ...In stock£146.00Buy Now
  • Blackstar Series One 100 EL34 MK2 JJ Full Revalve KitBlackstar Full Revalve KitsOur JJ revalve kits consist of a specially selected set of JJ ECC83 S preamp valves combined with selected and matched ...In stock£150.00Buy Now
  • Blackstar Series One 100 STR Marshall EL34B Full Upgrade KitBlackstar Full Revalve KitsSpecial Offer

    The Marshall EL34B & Harma ECC83 STR Full upgrade kit is designed to give a great rock sound with ...
    In stock£148.00
    £120.00
    Buy Now
  • Blackstar Series One 100 Classic EL34 Retro Full Upgrade KitBlackstar Full Revalve KitsThis Classic Harma Retro upgrade kit is designed to provide a punchier driving rock sound with plenty of rich sustain ...In stock£214.00Buy Now
  • Blackstar Series One 100 Classic EL34M Groove Tube Full Upgrade KitBlackstar Full Revalve KitsThis Groove Tube EL34 Mullard Classic upgrade kit is designed to give you the classic British Rock sound with a nice ...In stock£206.00Buy Now
  • Blackstar Series One 104 EL34 MK2 JJ Full Revalve KitBlackstar Full Revalve KitsOur JJ revalve kits consist of a specially selected set of JJ ECC83 S preamp valves combined with selected and matched ...In stock£166.00Buy Now
  • Blackstar Series One 104 STR Marshall EL34B Full Upgrade KitBlackstar Full Revalve KitsSpecial Offer

    The Marshall EL34B & Harma ECC83 STR Full upgrade kit is designed to give a great rock sound with ...
    In stock£164.00
    £136.00
    Buy Now
  • Blackstar Series One 104 Classic EL34 Retro Full Upgrade KitBlackstar Full Revalve KitsBlackstar Series One 104 EL34 Retro kit is designed to provide a punchier driving rock sound with plenty of rich ...In stock£234.00Buy Now
  • Blackstar Series One 104 Classic EL34M Groove Tube Full Upgrade KitBlackstar Full Revalve KitsThis Groove Tube EL34 Mullard Classic upgrade kit is designed to give you the classic British Rock sound with a nice ...In stock£226.00Buy Now
  • Blackstar Series One 104 6L6GC JJ Full Revalve KitBlackstar Full Revalve KitsOur JJ revalve kits consist of a specially selected set of JJ ECC83S preamp valves combined with selected and matched ...In stock£190.00Buy Now
  • Blackstar Series One 104 Classic 6L6GC Retro Full Upgrade Kit Blackstar Full Revalve KitsBlackstar Series One Classic Harma Retro upgrade kit provides a traditional American clean sound with top end clarity ...In stock£234.00Buy Now
  • Blackstar Series One 104 Classic Groove Tube 6L6GC GE Full Upgrade Kit Blackstar Full Revalve KitsSpecial Offer

    This Classic GT 6L6GC GE Re issue upgrade kit is designed to provide a great clean sound with a ...
    In stock£250.00
    £226.00
    Buy Now
  • Blackstar Series One 104 Classic 5881 Full Upgrade KitBlackstar Full Revalve KitsThis 5881 upgrade kit is designed for head which was originally fitted with EL34 or 6L6GC. With a simple re bias of the ...In stock£218.00Buy Now
  • Blackstar Series One 200 6550 JJ Full Revalve KitBlackstar Full Revalve KitsOur JJ revalve kits consist of a specially selected set of JJ ECC83S preamp valves combined with selected and matched ...In stock£268.00Buy Now
  • Blackstar Series One 200 KT88 JJ Full Revalve KitBlackstar Full Revalve KitsOur JJ revalve kits consist of a specially selected set of JJ ECC83 S preamp valves combined with selected and matched ...In stock£266.00Buy Now
  • Blackstar Series One 200 Classic KT88 JJ Full Upgrade KitBlackstar Full Revalve KitsThe KT88 JJ Tesla Classic upgrade kit designed to provide an aggressive hard hitting sound with a tight thick bottom ...In stock£286.00Buy Now
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All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by all EU countries.


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