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Products > Kits

We offer a full range of kits designed to improve the sound of your amplifier or equipment.
These specially selected kits cover audio amplifiers, guitar Preamp and output stages in both standard and cryogenically treated sets. We also provide guitarists and bassist upgraded speaker options. These kits have been born out of a lifetime of practical playing experience and offer an upgrade in sound quality.
The valves have been specially chosen for their sound characteristic and quality and are drawn from our own extensive stocks of new old stock as well as current production items. So the sets are design to you the best sound for you particular application.

• NameManufacturerCommentStockPrice PhotoOrder
• Fender Super Champ XD STR Philips 6V6GT Celestion G10 Greenback KitFender Amp KitsThe Fender Super Champ XD fitted with a Celestion G10 Green back is designed to provide a tight bass response with a ...In stock£133.83
  £127.14Buy Now
  
  FREE UK
  Mainland Delivery
• Fender Super Champ XD STR Philips 6V6GT Celestion G10 Vintage KitFender Amp KitsThe Fender Super Champ XD fitted with a Celestion G10 Vintage speaker is designed to give your Super Champ XD the hot ...In stock£122.00
  £115.90Buy Now
  
  FREE UK
  Mainland Delivery
• MARSHALL CLASS 5 CLASSIC V10 KITMarshall Amp kitsThe Marshall Class 5 Classic upgrade kit fitted with a Celestion vintage 10 is designed to provide the ideal ...In stock£104.50
  £99.28Buy Now
• ORANGE AD5 CLASSIC V10 KITOrange Amplfier KitsThe Orange AD 5 Classic upgrade kit fitted with a Celestion vintage 10 is designed to provide the ideal combination for ...In stock£86.17Buy Now
  
  FREE UK
  Mainland Delivery
• MARSHALL CLASS 5 CLASSIC G10 GREEN KITMarshall Amp kitsThe Marshall Class 5 Classic upgrade kit fitted with a Celestion 10 inch greenback is designed to provide the ideal ...Sold Out£116.00
  £110.20Buy Now
• ORANGE AD5 CLASSIC G10 GREEN KITOrange Amplfier KitsThe Orange AD5 Classic upgrade kit fitted with a Celestion 10 inch greenback is designed to provide the ideal ...In stock£100.00
  £95.00Buy Now
• Peavey Classic 20 STR Celestion G10 Green KitPeavey Amplifier Kits The Peavey Classic 20 STR upgrade kit fitted with the Celestion G10 Green back speaker is designed to give you’re a ...Sold Out£126.83Buy Now
• Peavey Classic 20 Retro Celestion G10 Green KitPeavey Amplifier Kits The Peavey Classic 20 Retro upgrade kit fitted with the Celestion G10 Green back speaker is designed to give you’re a ...Sold Out£129.83Buy Now
• Peavey Classic 20 STR Weber 10F150 LD KitPeavey Amplifier Kits Limited Offer on the best upgrade
  
  The Peavey Classic 20 STR upgrade kit fitted with the Weber Ceramic 10 inch ...In stock£157.00
  £117.75Buy Now
  
  FREE UK
  Mainland Delivery
• Blackstar HT5 Classic Philips 12BH7A Ltd Edition Classic Ruby KitBlackstar Amplifier Kits10% Discount
  
  This Classic Philips 12BH7A upgrade kit covers the Black Star HT5C, HT5R and HT5-RC 1 x 12 combos ...In stock£131.00
  £117.90Buy Now
  
  FREE UK
  Mainland Delivery
• Blackstar HT5 Classic Philips 12BH7A Ltd Edition Blue Ruby KitBlackstar Amplifier Kits10% Discount
  
  This Classic Philips 12BH7A upgrade kit covers the Black Star HT5C, HT5R and HT5-RC 1 x 12 combos ...In stock£131.00
  £117.90Buy Now
  
  FREE UK
  Mainland Delivery
• Blackstar HT5 Classic Philips 12BH7A Ltd Edition 35XC KitBlackstar Amplifier KitsOur Harma Classic Valve and Speaker upgrade kits consist of a specially selected Harma ECC83 Retro preamp valve and a ...In stock£125.00Buy Now
  
  FREE UK
  Mainland Delivery
• Blackstar HT Studio 20 Classic EL34 Retro Ruby KitBlackstar Amplifier Kits15% Discount
  
  This upgrade kit covers the Black Star HT Studio 20 1 x 12 combos and is fitted with a Harma ...In stock£157.00
  £133.45Buy Now
  
  FREE UK
  Mainland Delivery
• Blackstar HT Studio 20 Classic EL34 Retro Blue Ruby KitBlackstar Amplifier Kits15% Discount
  
  This upgrade kit covers the Black Star HT Studio 20 1 x 12 combos and is fitted with a Harma Blue ...In stock£157.00
  £133.45Buy Now
  
  FREE UK
  Mainland Delivery
• Blackstar HT Studio 20 Classic EL34 Retro V30 KitBlackstar Amplifier KitsThis upgrade kit covers the Black Star HT Studio 20 1 x 12 combos and is fitted with a Celestion Vintage 30 speaker. It ...Sold Out£142.17Buy Now
  
  FREE UK
  Mainland Delivery
• Peavey Classic 30 Retro EL84 Celestion 35XC Full Upgrade KitPeavey Amplifier Kits Peavey Classic 30 is a fantastic sounding amplifier and our Harma Classic upgrade kit is designed to get the best sound ...In stock£193.00Buy Now
  
  FREE UK
  Mainland Delivery
• Blackstar HT Studio 20 Svetlana V30 KitBlackstar Amplifier KitsThis upgrade kit covers the Black Star HT Studio 20 1 x 12 combos and is fitted with a Celestion Vintage 30 speaker. It ...In stock£168.60Buy Now
  
  FREE UK
  Mainland Delivery
• Peavey Classic 30 STR Clear Sapphire KitPeavey Amplifier Kits 25% Discount
  
  The Peavey Classic 30 STR upgrade kit fitted with the Harma Clear Sapphire speaker is designed to ...In stock£205.00
  £153.75Buy Now
  
  FREE UK
  Mainland Delivery
• Peavey Classic 30 STR Dark Sapphire KitPeavey Amplifier Kits 25% Discount
  
  The Peavey Classic 30 STR upgrade kit fitted with the Harma Clear Sapphire speaker is designed to ...In stock£205.00
  £153.75Buy Now
  
  FREE UK
  Mainland Delivery
• Peavey Classic 50 2 x 12 Retro EL84 Celestion 35XC Full Upgrade KitPeavey Amplifier Kits Peavey Classic 30 is a fantastic sounding amplifier and our Harma Classic upgrade kit is designed to get the best sound ...Sold Out£272.00Buy Now
• Peavey Classic 50 1 x 15 STR Fullback KitPeavey Amplifier Kits 20% Discount
  
  The Peavey Classic 50 1x 15 combo STR upgrade kit fitted with the Celestion Fullback speaker ...In stock£188.50
  £150.80Buy Now
• Bugera 333 Combo Classic EL34 Retro Celestion 35XC Full Upgrade KitBugera Amplifier KitsBugera 333 2 x 12 combo with EL34 is a remarkably low cost amplifier and our Harma Classic upgrade kit is designed to ...Sold Out£296.00Buy Now
• Vox AC4TV Classic EL84 Retro G10 Green 16 Ohm Full Upgrade KitVox Valve & Speaker UpgradesVox AC4 Classic Retro full upgrade kit covers the AC4TV 1 x 10 combo. It is designed to give you the classic Vox sound ...In stock£99.84Buy Now
  
  FREE UK
  Mainland Delivery
• Peavey Classic 30 STR Bright Sapphire KitPeavey Amplifier Kits 25% Discount
  
  The Peavey Classic 30 STR upgrade kit fitted with the Harma Bright Sapphire speakerIs the ultimate ...In stock£205.00
  £153.75Buy Now
  
  FREE UK
  Mainland Delivery
• Vox AC4C1-12 Classic Retro G12 35XC 16 ohm Full Upgrade KitVox Valve & Speaker UpgradesOur Harma Classic Valve and Speaker upgrade kits consist of a specially selected set of Harma ECC83 Retro preamp valves ...In stock£129.00Buy Now
  
  FREE UK
  Mainland Delivery

Specials

• 
  EL34/EL34B-MARSHALL Trade 50 Pieces Boxed
  Special matched set of 50 pieces boxed
  
  Here you get a box of 50 pieces identically dual matched, so all 50 pcs ...
  £650.00  £375.00
• 
  6550-JJ TESLA-Trade 12 pieces
  The JJ-TESLA 6550 since its launch has become a very popular 6550 replacement for both our audio and guitar amplifier ...
  £312.00  £280.80
• 
  KT150-TUNG SOL RU
  12% Discount
  
  The KT150 is a totally new design intended for high end audio use. The Tung-Sol KT150 is the most ...
  £64.00  £56.32
• 
  ECC83/12AX7LP-SOVTEK
  The last of our stock of these at this price, 3 pcs only
  
  The 12AX7 Sovtek LP is a long plate valve that is based ...
  £12.00  £9.50
• Ampeg SVT VR Harma 7£316.00  £284.40
• Ampeg SVT 2 Pro Harm£312.00  £280.80
• EL34/EL34B-MARSHALL £650.00  £362.50