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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  • NameManufacturerCommentStockPrice 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£73.50Buy 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£84.00
    £74.00    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£115.00Buy Now
  • Blackstar Series One 45 Classic GT EL34M Re Issue Full Upgrade KitBlackstar Full Revalve Kits15% Discount

    This Classic Groove Tube EL34 Mullard upgrade kit is designed to provide a vintage sound with a ...    In stock£125.00
    £106.25    Buy 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£73.50Buy 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£84.00
    £74.00    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£115.00Buy Now
  • Blackstar Series One 50 Classic GT EL34M Re Issue Full Upgrade KitBlackstar Full Revalve Kits15% Discount

    This Classic Groove Tube EL34 Mullard upgrade kit is designed to provide a vintage sound with a ...    In stock£125.00
    £106.25    Buy 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£100.50Buy 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£114.00
    £94.00    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£159.00Buy Now
  • Blackstar Series One 100 Classic GT EL34 Mullard Re Issue Upgrade KitBlackstar Full Revalve Kits15% Discount

    This Classic Groove Tube EL34 Mullard upgrade kit is designed to provide a vintage sound with a ...    In stock£179.00
    £152.15    Buy 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£111.00Buy 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£126.00
    £106.00    Buy Now
  • Blackstar Series One 104 Classic EL34 Retro Full Upgrade KitBlackstar Full Revalve KitsBlack Star Series One 104 EL34 Retro kit is designed to provide a punchier driving rock sound with plenty of rich ...In stock£175.00Buy Now
  • Blackstar Series One 104 Classic GT EL34M Re Issue Full Upgrade KitBlackstar Full Revalve Kits15% Discount

    This Classic Groove Tube EL34 Mullard upgrade kit is designed to provide a vintage sound with a ...    In stock£195.00
    £165.75    Buy Now
  • Blackstar Series One 104 6L6GC 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£117.00Buy Now
  • Blackstar Series One 104 Classic 6L6GC Retro Full Upgrade Kit Blackstar Full Revalve KitsThis Classic Harma Retro upgrade kit provides a traditional American clean sound with top end clarity and top end ...In stock£175.00Buy Now
  • Blackstar Series One 104 GT 6L6GC GE Re issue Full Upgrade KitBlackstar Full Revalve Kits20% Discount

    This Classic GT 6L6GC GE Re issue upgrade kit is designed to provide a great clean sound with a ...    In stock£207.00
    £165.60    Buy Now
  • Blackstar Series One 104 Classic 5881 Full Upgrade KitBlackstar Full Revalve Kits15% Discount

    This 5881 upgrade kit is designed for head which was originally fitted with EL34 or 6L6GC. With a ...    In stock£167.00
    £141.95    Buy Now
  • Blackstar Series One 200 6550 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£165.00Buy Now
  • Blackstar Series One 200 Classic 6550A Retro Full Upgrade KitBlackstar Full Revalve Kits10% Discount

    The Harma 6550A Retro Classic upgrade kit covers the Black Star Series One 200 KT88 equipped head ...    In stock£207.00
    £186.30    Buy 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£177.00Buy Now
  • Blackstar Series One 200 Classic JJ KT88 Full Upgrade KitBlackstar Full Revalve Kits10% Discount

    The KT88 JJ Tesla Classic upgrade kit designed to provide an aggressive hard hitting sound with a ...    In stock£203.00
    £182.70    Buy Now
  • Blackstar Series One 200 Classic KT88 Gold Lion Full Upgrade KitBlackstar Full Revalve KitsThe KT88 Gold Lion Classic upgrade kit is designed to provide simply the best Metal and Rock sound on the planet. It ...Sold Out£247.00Buy 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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