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Products > Full Revalve Kits Cryo

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.

• NameBrandCommentStockPrice PhotoOrder
• 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
• Blackstar HT Stage 60 Classic EL34 Retro Cryo Full Upgrade KitBlackstar Cryo Full Revalve KitsThis Classic Harma Retro EL34 Cryo upgrade kit delivers a really tight driving rock sound with a huge singing sustain ...In stock£176.00Buy Now
• Mesa Single Rectifier Harma 5881 STR Cryo Full Upgrade KitMesa Boogie Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  The Harma STR 5881 Cryo Upgrade kit is designed to give you the best balance of clean ...In stock£206.00
  £175.10Buy Now
• Fender Custom Vibro King STR Groove Tube 6L6GC GE Full Upgrade Kit CryoFender Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£218.00
  £174.40Buy Now
• Blackstar Artisan 100 Head STR Marshall EL34B Cryo Full Upgrade KitBlackstar Cryo Full Revalve KitsSpecial Offer 20% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£218.00
  £174.40Buy 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
• Fender Hot Rod Deluxe Groove Tube ECC83S 6L6GC GE Full Upgrade Kit CryoFender Cryo Full Revalve KitsLast Few Sets
  
  The Fender Hot Rod Deluxe fitted with a special set of Cryo Treated Groove Tubes Super Premium ...In stock£174.00Buy Now
• Fender Blues Deluxe Groove Tube ECC83S 6L6GC GE Full Upgrade Kit CryoFender Cryo Full Revalve KitsLast Few Sets
  
  The Fender Blues Deluxe fitted with a special set of Cryo Treated Groove Tubes Super Premium ...In stock£174.00Buy Now
• Fender Hot Rod Deville 4 x 10 Groove Tube ECC83S 6L6GC GE Full Upgrade Kit CryoFender Cryo Full Revalve KitsLast Few Sets
  
  The Fender Blues Deville fitted with a special set of Cryo Treated Groove Tubes Super Premium ...In stock£174.00Buy Now
• Fender Hot Rod Deville 2 x 12 Groove Tube ECC83S 6L6GC GE Full Upgrade Kit CryoFender Cryo Full Revalve KitsLast Few Sets
  
  The Fender Blues Deville fitted with a special set of Cryo Treated Groove Tubes Super Premium ...In stock£174.00Buy 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
• Vox Night Train NT15 Head Gen 2 Harma EL84 Retro Cryo Full Upgrade KitVox Cryo Full Revalve KitsUntil now midrange warmth, musical complexity and rich harmonic content was only attainable by using rare and expensive ...In stock£172.00Buy Now
• Vox Night Train NT15C1 Combo Gen 2 Harma EL84 Retro Cryo Full Upgrade KitVox Cryo Full Revalve KitsUntil now midrange warmth, musical complexity and rich harmonic content was only attainable by using rare and expensive ...In stock£172.00Buy Now
• Vox AC15 Custom Series Classic EL84 Retro Cryo Full Upgrade KitVox Cryo Full Revalve KitsVox AC15 Custom Series Harma Retro Cryo full upgrade kit covers the AC15 C1, AC15 C1X and AC15 Twin. Until now midrange ...In stock£172.00Buy Now
• Cornford MK50 6L6GC JJ Full Cryo Upgrade KitCornford Cryo Full Revalve KitsJJ valves a renowned around the world for their superb sound quality. By Cryo treating the JJ valves the cryo process ...In stock£170.00Buy Now
• Cornford MK50 Mark 2 6L6GC JJ Full Cryo Upgrade KitCornford Cryo Full Revalve Kits6L6GC Cryo option
  
  JJ valves a renowned around the world for their superb sound quality. By Cryo treating the JJ ...In stock£170.00Buy Now
• Blackstar Artisan 15 EL84 JJ Full Upgrade Kit Cryo Blackstar Cryo Full Revalve KitsJJ valves a renowned around the world for their superb sound quality. By Cryo treating the JJ valves the cryo process ...In stock£170.00Buy Now
• Hughes & Kettner Tubemeister 36 EL84 JJ Full Upgrade Kit CryoHughes & Kettner Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  JJ valves a renowned around the world for their superb sound quality. By Cryo ...In stock£188.00
  £169.20Buy Now
• Hughes & Kettner Grandmeister 36 EL84 JJ Full Upgrade Kit CryoHughes & Kettner Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  JJ valves a renowned around the world for their superb sound quality. By Cryo ...In stock£188.00
  £169.20Buy Now
• Hughes & Kettner Grandmeister Deluxe 40 EL84 JJ Full Upgrade Kit CryoHughes & Kettner Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  JJ valves a renowned around the world for their superb sound quality. By Cryo ...In stock£188.00
  £169.20Buy Now
• Mesa DC5 12AX7WA Vintage Harma 6L6GC Retro Full Upgrade Kit CryoMesa Boogie Cryo Full Revalve KitsSpecial Offer 10% Discount
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC Retro ...In stock£186.00
  £167.40Buy Now
• Fender Bassman 1959 12AX7WA Vintage Harma 6L6GC Retro GZ34 Full Upgrade Kit CryoFender Cryo Full Revalve KitsGZ34 Option
  
  Special Offer
  
  This Harma 12AX7WA Vintage cryo preamp upgrade kit combined the Harma 6L6GC ...In stock£188.00
  £166.00Buy Now

Specials

• 
  EL34/EL34B STR-TAD SPECIAL OFFER
  Special Offer 15% Discount
  
  The TAD EL34B STR has been around for many years now and this valve has a number of ...
  £22.00  £18.70
• 
  EL84-SOVTEK
  Special Offer 20% Discount Limited Stock
  
  The Sovtek EL84 has been the industry standard go to EL84 for over 25 ...
  £24.00  £19.20
• 
  GZ34/5AR4-SOVTEK
  Special Offer 15% Discount
  
  The Sovtek GZ34 5AR4 a very well made modern full wave rectifier. The valve uses ...
  £32.00  £27.20
• 
  211-PSVANE CLASSIC SERIES
  Special Offer 15% Discount<>br>
  Psvane 211 Classic Series is a directly heated audio power triode for High end Audio ...
  £115.00  £97.75
• EF86-HARMA RETRO£26.00  £23.40
• Bugera 6262 Infinium£254.00  £228.60
• Way Huge WM22 Smalls£132.50  £119.25