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Products > Amp Audio Upgrade Kits

Our audio upgrade kits offer a selection of the best quality modern production items along with high quality new old stock valves to give you an improved sound and a cost effective upgrade. We have over 30 years' experience with using and listening to high end audio amplifiers and over 25 years in improving the valves. These kits have been put together after many hours of listening tests to confirm the valves performance in any given application.

• NameBrandCommentStockPrice PhotoOrder
• Primaluna Prologue 7 Original Dual Mono Poweramp Harma STR KT66 Relic Full Upgrade KitPrimaluna AmplifiersKT66 Option
  
  Special Offer 10% Discount
  
  This upgrade kit is designed to give you a noticeable upgrade by ...In stock£360.00
  £324.00Buy Now
• Primaluna Prologue 6 Original Dual Mono Poweramp Harma STR EL34 Relic Full Upgrade KitPrimaluna AmplifiersEL34 Stock Option
  
  This upgrade kit is designed to give you a noticeable upgrade with outstanding value for ...In stock£352.00
  £316.80Buy Now
• Primaluna Prologue Premium Dual Mono Poweramp Harma STR EL34 Relic Full Upgrade KitPrimaluna AmplifiersThis upgrade kit is designed to give you a noticeable upgrade with outstanding value for money. The kit will give you ...In stock£352.00
  £316.80Buy Now
• Primaluna Dialogue 6 Original Dual Mono Poweramp Harma STR EL34 Relic Full Upgrade KitPrimaluna AmplifiersEL34 Stock Option
  
  This upgrade kit is designed to give you a noticeable upgrade with outstanding value for ...In stock£352.00
  £316.80Buy Now
• Primaluna Dialogue 7 Original Dual Mono Poweramp Harma STR EL34 Relic Full Upgrade KitPrimaluna AmplifiersEL34 Option
  
  This upgrade kit is designed to give you a noticeable upgrade with outstanding value for money. The ...In stock£352.00
  £316.80Buy Now
• World Audio Design WD88VA KT88 JJ Full Revalve KitWorld Audio Design AmpllfiersThe World Audio Design WD88VA was designed by Andy Grove who was also responsible for the design of some of the more ...In stock£300.00Buy Now
• Quad 11 Classic Power Amplifier REC Relic KT66 Tesla EF86 Upgrade Kit PairQuad Amplifiers Special Offer 20% Discount
  
  The KT66 Relic is a premium high quality audio grade KT66 that is based on the famous ...In stock£356.00
  £284.80Buy Now
• Primaluna Dialogue HP Premium Integrated Harma STR EL34 Relic Full Upgrade KitPrimaluna AmplifiersEL34 Stock Option
  
  This upgrade kit is designed to give you a noticeable upgrade with outstanding value for ...In stock£312.00
  £280.80Buy Now
• Primaluna Dialogue HP Premium Stereo Poweramp Harma STR EL34 Relic Full Upgrade KitPrimaluna AmplifiersEL34 Stock Option
  
  This upgrade kit is designed to give you a noticeable upgrade with outstanding value for ...In stock£312.00
  £280.80Buy Now
• Primaluna Evo 400 Poweramp Harma STR EL34 Relic Full Upgrade KitPrimaluna AmplifiersEL34 Stock Option
  
  This upgrade kit is designed to give you a noticeable upgrade with outstanding value for ...In stock£312.00
  £280.80Buy Now
• Primaluna Evo 400 Integrated Harma STR EL34 Relic Full Upgrade KitPrimaluna AmplifiersEL34 Stock Option
  
  This upgrade kit is designed to give you a noticeable upgrade with outstanding value for ...In stock£312.00
  £280.80Buy Now
• Little Dot MK8 Headphone Amplifier Mullard CV4024 EH 6H30-Gold Pin Upgrade KitLittle Dot Amplifiers Gold Pin 6H30 Kit
  
  Little Dot MK8 headphone amplifier has an exceptional dynamic range and sound quality.So in ...In stock£270.00Buy Now
• Quad 11 Original REC Relic KT66 Tesla EF86 Upgrade Kit PairQuad Amplifiers Special Offer 15% Discount
  
  The KT66 Relic is a premium high quality audio grade KT66 that is based on the famous ...In stock£316.00
  £268.60Buy Now
• World Audio Design KIT 6550 & KAT 6550 JJ Full Revalve KitWorld Audio Design AmpllfiersThe World Audio Design Kit and Kat 6550 amplifiers are one of my favourite sounding 6550 designs and offer remarkable ...In stock£262.00Buy Now
• Quad 11 Integrated Harma STR Philips REC Relic KT66 Upgrade KitQuad Amplifiers A modern integrated amplifier which has incorporated the legendary Quad 11 output section.Our KT66 Relic upgrade kit ...In stock£260.00Buy Now
• World Audio Design KEL80 Dual Monoblock EL34 Relic Full Upgrade KitWorld Audio Design AmpllfiersSpecial Offer 15 % DiscountWorld Audio Design KEL 80 Monoblock has a sound stage and sonic richness that is ...In stock£305.00
  £259.25Buy Now
• Primaluna Prologue 2 Original Integrated KT88 JJ Full Upgrade KitPrimaluna AmplifiersKT88 Option with JJ
  
  Special Offer 10% Discount
  
  This upgrade kit is designed to give you a noticeable ...In stock£272.00
  £244.80Buy Now
• Primaluna Prologue 5 Original Poweramp KT88 JJ Full Upgrade KitPrimaluna AmplifiersKT88 Option with JJ
  
  Special Offer 10% Discount
  
  This upgrade kit is designed to give you a noticeable ...In stock£272.00
  £244.80Buy Now
• Primaluna Dialogue 2 Original Integrated KT88 JJ Full Upgrade KitPrimaluna AmplifiersKT88 Option with JJ
  
  Special Offer 10% Discount
  
  This upgrade kit is designed to give you a noticeable ...In stock£272.00
  £244.80Buy Now
• Primaluna Evo 100 Integrated KT88 JJ Full Upgrade KitPrimaluna AmplifiersKT88 Option with JJ
  
  Special Offer 10% Discount
  
  This upgrade kit is designed to give you a noticeable ...In stock£272.00
  £244.80Buy Now
• Primaluna Prologue Classic Integrated KT88 JJ Full Upgrade KitPsvane AudioKT88 Option with JJ
  
  Special Offer 10% Discount
  
  This upgrade kit is designed to give you a noticeable ...In stock£272.00
  £244.80Buy Now
• Primaluna Prologue Premium Stereo Poweramp KT88 JJ Full Upgrade KitPrimaluna AmplifiersKT88 Option with JJ
  
  Special Offer 10% Discount
  
  This upgrade kit is designed to give you a noticeable ...In stock£272.00
  £244.80Buy Now
• Primaluna Prologue Premium Integrated KT88 JJ Full Upgrade KitPrimaluna AmplifiersKT88 Option with JJ
  
  Special Offer 10% Discount
  
  This upgrade kit is designed to give you a noticeable ...In stock£272.00
  £244.80Buy Now
• Primaluna Evo 200 Poweramp KT88 JJ Full Upgrade KitPrimaluna AmplifiersKT88 Option with JJ
  
  Special Offer 10% Discount
  
  This upgrade kit is designed to give you a noticeable ...In stock£272.00
  £244.80Buy Now
• Primaluna Evo 200 Integrated KT88 JJ Full Upgrade KitPrimaluna AmplifiersKT88 Option with JJ
  
  Special Offer 10% Discount
  
  This upgrade kit is designed to give you a noticeable ...In stock£272.00
  £244.80Buy 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