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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
• 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
• Mesa Mark 1 100 Re Issue 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£230.00
  £207.00Buy Now
• Mesa Mark 2 100 Reverb 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£230.00
  £207.00Buy Now
• Mesa Mark 2B 100 Reverb 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£230.00
  £207.00Buy Now
• Mesa Mark 2C 100 Reverb 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£230.00
  £207.00Buy Now
• Mesa Mark 2C Plus JP 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£230.00
  £207.00Buy Now
• Mesa Mark 3 100 Reverb 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£230.00
  £207.00Buy Now
• Mesa Mark 4A 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£230.00
  £207.00Buy Now
• Mesa Mark 4B 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£230.00
  £207.00Buy 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
• Mesa Mark 5 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£300.00
  £270.00Buy Now
• Cornford MK50 Mark 2 STR Marshall EL34B Cryo Full Upgrade KitCornford Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£176.00
  £149.60Buy Now
• Mesa Mark 7 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£230.00
  £207.00Buy Now
• Blackstar Series One 104 STR Marshall EL34B Cryo Full Upgrade KitBlackstar Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  Until now clear note definition, musical complexity and rich harmonic content was ...In stock£270.00
  £229.50Buy Now
• Blackstar Series One 104 Classic EL34 Retro Cryo Full Upgrade Kit Blackstar 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£316.00Buy 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 Series One 104 Classic EL34M Groove Tube Cryo Full Upgrade KitBlackstar Cryo Full Revalve KitsSpecial Offer 15% Discount
  
  This Classic Groove Tube EL34 Mullard Cryo upgrade kit is designed to provide the ...In stock£324.00
  £275.40Buy Now
• Marshall Silver Jubilee Series 2555 100 watt head Classic EL34 Retro Cryo full upgrade kitMarshall Amp Cryo Full Revalve KitsThe Marshall Silver Jubilee Series 100 watt Classic Retro Cryo full revalve kit is specially selected for Marshall ...In stock£252.00Buy Now
• Mesa Nomad 55 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£166.00
  £149.40Buy Now
• Mesa Nomad 100 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£230.00
  £207.00Buy Now
• Vox Night Train NT15 Head Gen 1 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 ...Sold Out£140.00Buy 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 Gen 2 Combo EL84 JJ Cryo Full Upgrade KitVox Cryo Full Revalve KitsJJ valves a renowned around the world for their sound quality. So the cryo process transforms a good sounding valve ...In stock£106.00Buy 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
• Marshall JCM 2000 Series DSL 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

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