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Products > Full Revalve Kits Cryo > Marshall Amp Cryo Full Revalve Kits

These Cryo treated full revalve kits use specially chosen and Cryo Treated valves to help you attain the best sound 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 16 years of experience in selecting pre amp valves for professional musicians who trust their sound to Watford valves. The Cryo Treated valves give improvements in clarity,tonal definition and richer smoother distortion. These kits are the ultimate upgrade regardless of brand name.

Marshall amplifiers are voice of Rock and Roll past, present and in future.These amplifiers have been used by all the music legends. From Clapton's fierce bluesbreaker solos with John Mayall, to the powerhouse slam of Jimmy Page in Led Zeppelin to Steve Jones awesome sound with his JCM800. These Kits are designed and put together to enable you to get the best out of your particular amplifier.

• NameBrandCommentStockPrice PhotoOrder
• Marshall JCM 800 Series 2204/ 4104 50 watt head STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best-selling kit as ...In stock£150.00
  £120.00Buy Now
• Marshall JCM 900 Series 2500 50 watt STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best-selling kit as ...In stock£150.00
  £120.00Buy Now
• Marshall JCM 900 Series 4500 Dual Rev 50 watt STR Harma 5881 Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  The Harma ECC83 STR & 5881 Cryo Full upgrade kit is our best-selling kit as it ...In stock£154.00
  £123.20Buy Now
• Marshall Vintage Series 1987X 50 watt head STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best selling kit as ...In stock£150.00
  £127.50Buy Now
• Marshall Handwired Series 2061X 20 watt Classic EL84 Retro Cryo full upgrade kitMarshall Amp Cryo Full Revalve KitsThe Marshall Handwired Series 2061X 20 watt Classic Retro Cryo full revalve kit is specially selected for Marshall ...In stock£140.00Buy Now
• Marshall JCM 600 Series 50 watt STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best-selling kit as ...In stock£176.00
  £140.80Buy Now
• Marshall JCM 900 Series 2500 SLX 50 watt STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best-selling kit as ...In stock£176.00
  £140.80Buy Now
• Marshall JCM 2000 Series TSL 60H 60 watt STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best-selling kit as ...In stock£176.00
  £149.60Buy Now
• Marshall JCM 2000 DSL Series 50 watt STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best-selling kit as ...In stock£176.00
  £149.60Buy Now
• Marshall JCM 800 Series 2205/ 4210 50 watt STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best-selling kit as ...In stock£202.00
  £161.60Buy Now
• Marshall Vintage Modern 2266 50 watt STR Harma Rec KT66 Relic Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  This STR Harma Rec KT66 Relic Cryo Full Upgrade Kit is designed to give you the ...In stock£208.00
  £166.40Buy Now
• Marshall JCM 900 Series 4500 Dual Rev 50 watt Classic 5881 Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsThe Marshall JCM 900 Series 4500 Dual Reverb Classic 5881 Cryo full revalve kit is specially selected for Marshall JCM ...Sold Out£172.00Buy Now
• Marshall JCM 800 Series 2203/ 4103 100 watt STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best-selling kit as ...In stock£218.00
  £174.40Buy Now
• Marshall Signature Series 1987X PW 50 watt combo Classic EL34 Retro Cryo full upgrade kitMarshall Amp Cryo Full Revalve KitsThe Marshall 1987X Paul Weller 50 watt combo Classic Retro full revalve kit is specially selected for Marshall 1987X ...In stock£176.00Buy Now
• Marshall Vintage Series 1987X 50 watt head Classic EL34 Retro Cryo full upgrade kitMarshall Amp Cryo Full Revalve KitsThe Marshall 1987X 50 watt Head Classic EL34 Retro full revalve kit is specially selected for Marshall 1987X 50 watt ...In stock£176.00Buy Now
• Marshall Original Superlead 1987 50 watt head Classic EL34 Retro Cryo full upgrade kitMarshall Amp Cryo Full Revalve KitsThe Marshall Original Superlead 1987 50 watt Classic Retro Cryo full revalve kit is specially selected for Marshall ...In stock£176.00Buy Now
• Marshall Original Superbass 1986 50 watt head Classic EL34 Retro Cryo full upgrade kitMarshall Amp Cryo Full Revalve KitsThe Marshall Original Superbass 1986 50 watt Head Classic Retro cryo full revalve kit is specially selected for ...In stock£176.00Buy Now
• Marshall JCM 800 Series 2204/ 4104 50 watt head Classic EL34 Retro Cryo full upgrade kitMarshall Amp Cryo Full Revalve KitsThe Marshall JCM 800 Series 2204/4104 Classic EL34 Retro full revalve kit is specially selected for Marshall JCM 800 ...In stock£176.00Buy Now
• Marshall JCM 900 Series 2500 50 watt Classic EL34 Retro Cryo full upgrade kitMarshall Amp Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  The Marshall JCM 900 Series 2500 Classic EL34 Retro Cryo full revalve kit is ...In stock£176.00Buy Now
• Marshall Silver Jubilee Series 2550/ 2554 50 watt Classic EL34 Retro Cryo full upgrade kitMarshall Amp Cryo Full Revalve KitsThe Marshall Silver Jubilee Series 2550/2554 50 watt Classic EL34 Retro full revalve kit is specially selected for ...In stock£176.00Buy Now
• Marshall JCM 900 Series 2500 SLX 50 watt STR Harma 5881 Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsThe Harma ECC83 STR & 5881 Cryo Full upgrade kit is our best-selling kit as it provides classic rock tone with more ...In stock£180.00Buy Now
• Marshall Astoria Classic Combo STR Harma Rec KT66 Relic Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  This STR Harma Rec KT66 Relic Cryo Full Upgrade Kit is designed to give you the ...In stock£230.00
  £184.00Buy Now
• Marshall Astoria Classic Head STR Harma Rec KT66 Relic Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  This STR Harma Rec KT66 Relic Cryo Full Upgrade Kit is designed to give you the ...In stock£230.00
  £184.00Buy Now
• Marshall Handwired Series 1959 100 watt STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best-selling kit as ...In stock£218.00
  £185.30Buy Now
• Marshall JCM 900 Series 2100 SLX 100 watt STR Marshall EL34B Cryo Full Upgrade KitMarshall Amp Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  The Marshall EL34B & Harma ECC83 STR Cryo Full upgrade kit is our best-selling kit as ...In stock£244.00
  £195.20Buy Now

Specials

• 
  EL34-SVETLANA REFLECTOR Trade 12 pieces
  These are Svetlana EL34 Reflector made at Xpo-Pul factory also known as Reflector in Saratov, Russia. This Reflector ...
  £384.00  £326.40
• 
  5Y3GT/5Y3S-JJ TESLA
  Special Offer
  
  The JJ 5Y3S is a modern designed rectifier that is a replacement for the classic American made ...
  £22.50  £19.00
• 
  5Y3GT-GROOVE TUBES SUPER PREMIUM
  5Y3GT Groove tube low output rectifier tube originally used in early low power Fender amps with tube rectifiers such ...
  £30.00  £28.50
• 
  EL84-SOVTEK
  Special Offer 15% Discount Limited Stock
  
  The Sovtek EL84 has been the industry standard go to EL84 for over 25 ...
  £24.00  £20.40
• ECC83/12AX7WC SOVTEK£215.00  £193.50
• Celestion G10 VT Jun£50.00  £40.00
• Celestion G12 A Type£77.08  £69.00