Products > Full Revalve Kits > Mesa Express Plus Series

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.

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  • NameBrandCommentStockPrice PhotoOrder
  • Mesa Express 5.25 Plus EL84 JJ Full Revalve KitMesa Boogie Full Revalve KitsOur JJ revalve kits consist of a specially selected set of JJ ECC83S preamp valves combined with selected and matched ...In stock£121.00Buy Now
  • Mesa Express 5.25 Plus Harma E84L STR BT Full Upgrade KitMesa Boogie Full Revalve KitsThis full revalve kit consists of a Harma ECC83 STR combined with the Harma E84L output valves and is for the Mesa ...In stock£144.00Buy Now
  • Mesa Express 5.25 Plus Classic EL84 Retro Full Upgrade KitMesa Boogie Full Revalve KitsThis Classic Retro EL84 Full upgrade kit is designed to give you a very open and clear top end chime and a rich ...In stock£180.00Buy Now
  • Mesa Express 5.25 Plus Groove Tubes Super Pre EL84S Full Upgrade KitMesa Boogie Full Revalve KitsFull Groove Tube Set

    Special offer

    Groove Super Premium S Series full upgrade kit is designed to give ...    In stock£176.00
    £158.40    Buy Now
  • Mesa Express 5.50 Plus Harma STR 5881 Full Upgrade KitMesa Boogie Full Revalve KitsThis full revalve kit consists of specially selected Harma ECC83 STR Standard gain Pre amp kit combined with the Harma ...In stock£144.00Buy Now
  • Mesa Express 5.50 Plus Stan Gain 6L6GC JJ Full Revalve KitMesa Boogie Full Revalve KitsOur JJ revalve kits consist of a specially selected set of JJ ECC83S preamp valves combined with selected and matched ...In stock£136.00Buy Now
  • Mesa Express 5.50 Plus Harma Classic 6L6GC Retro Full Upgrade KitMesa Boogie Full Revalve KitsThis full revalve kit consists of specially selected Harma Retro valves for Mesa Boogie amplifiers.Mesa Express 5.50 ...In stock£196.00Buy Now
  • Mesa Express 5.50 Plus Classic Groove Tube 6L6GC GE Full Upgrade KitMesa Boogie Full Revalve KitsSpecial Offer 10% Discount

    This full revalve kit consists of specially selected Harma ECC83 Retro pre amp valves ...    In stock£200.00
    £180.00    Buy 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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