Products > Full Revalve Kits > Orange OR 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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  • NameManufacturerCommentStockPrice PhotoOrder
  • Orange OR15 Harma E84L STR BT Full Upgrade KitOrange Full Revalve KitsSpecial Offer 10% Discount

    Orange Harma STR E84L full upgrade kit is designed to give you the best clean sound ...    In stock£96.00
    £86.40    Buy Now
  • Orange OR15 Classic EL84 Retro Full Upgrade KitOrange Full Revalve KitsOrange Classic Harma EL84 Retro full upgrade kit and is designed to give you as close to the old Mullard style vintage ...In stock£94.00
    £84.60    Buy Now
  • Orange OR50H STR Marshall EL34B Full Upgrade KitOrange Full Revalve KitsSpecial Offer

    The Marshall EL34B & Harma ECC83 STR Full upgrade kit is designed to give a great rock sound with ...    In stock£66.00
    £59.00    Buy Now
  • Orange OR50H Classic EL34 Retro Full Upgrade KitOrange Full Revalve KitsOrange Classic Harma EL34 Retro full upgrade kit and is designed to give you as close to the old Mullard style vintage ...In stock£86.00
    £73.10    Buy Now
  • Orange OR50H Classic EL34 Svetlana Full Upgrade KitOrange Full Revalve Kits5% Discount

    Orange Classic EL34 Svetlana Winged C full upgrade kit is the ideal combination for those who demand ...    In stock£130.00
    £123.50    Buy Now
  • Orange OR100H STR Marshall EL34B Full Upgrade Kit Orange Full Revalve KitsSpecial Offer

    The Marshall EL34B & Harma ECC83 STR Full upgrade kit is designed to give a great rock sound with ...    In stock£116.00
    £102.00    Buy Now
  • Orange OR100H Classic Harma EL34 Retro Full Upgrade KitOrange Full Revalve KitsOrange Classic Harma EL34 Retro full upgrade kit and is designed to give you as close to the old Mullard style vintage ...In stock£150.00
    £127.50    Buy Now
  • Orange OR100H Classic EL34 Svetlana Full Upgrade KitOrange Full Revalve Kits5% Discount

    Orange Classic EL34 Svetlana Winged C full upgrade kit is the ideal combination for those who demand ...    In stock£238.00
    £226.10    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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