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Watford Valves have been using valve equipment since 1976 and has been selecting and supplying valve to the professional market for over 20 years. The term 'new old stock' refers to tubes or valves which are new but are from factories which have long closed down. These factories such as Mullard, G.E.C, Telefunken, Siemens, Philips, General Electric and R.C.A produced some of the best valves ever made which is why these items have become very sought after in the music industry. Watford Valves keeps a huge inventory of new old stock tubes valves as well as current production items. Therefore Watford Valves can offer one stop shopping to satisfy the most demanding of needs of the professional market, the collector or the enthusiast. All output tubes valves are priced individually. All prices contained on this web site are exclusive of VAT.
- NameBrandCommentStockPrice PhotoOrder
- 6K11-GENERAL ELECTRICGeneral ElectricThe 6K11 6Q11 is a triple triode compaction valve that was used in the original Ampeg V4B amplifier.These valves were ...In stock£20.00
Buy Now - 6K6GT-ADZAM SINGLEAdzamSingles Only
For those of you who own a Fender reverb unit then these are a must have.This 6K6GT Adzam was made ...In stock£15.00
Buy Now - 6K6GT-ITT BLACK PLATEITT LORENZMatched Pairs Only
Black Plate
ITT 6K6GT based its design on the RCA or as one American customer told me ...In stock£15.00
Buy Now - 6K6GT-ITT BLACK PLATE SINGLEITT LORENZSingles Only
Black Plate
ITT 6K6GT based its design on the RCA or as one American customer told me they ...In stock£12.00
Buy Now - 6K6GT-KEN RADKen RadMatched Pairs Only
Single valve
These Ken Rad 6K6GT VT 152 are the early versions of General Electric ...In stock£12.00
Buy Now - 6K6GT-KEN RAD SINGLEKen RadOne Only
Single valve
These Ken Rad 6K6GT VT 152 are the early versions of General Electric 6K6GT, ...In stock£10.00Buy Now - 6K6GT-RAYTHEON SINGLERaytheonOne Only
6K6GT made by Raytheon in USA The valve features the grey or dark glass which is an RF shielding which ...In stock£10.00
Buy Now - 6K6GT-RCA BLACK PLATE CLEAR GLASS RED LOGO JAN SPECRCA Matched Pairs
Rare Black Plate JAN Version
These are the original USA made RCA Military JAN 6K6GT that ...In stock£30.00
Buy Now - 6K6GT-RCA BLACK PLATE CLEAR GLASS RED LOGO SINGLERCA Singles Only
Black Plate
The original USA made 6K6GT RCA Black plate that shares all the sound ...In stock£28.00
Buy Now - 6K6GT-RCA BLACK PLATE CLEAR GLASS SILVER LOGO SINGLERCA One Only
Last Two
Black Plate
The original USA made 6K6GT RCA Black plate that shares all the ...In stock£25.00
Buy Now - 6K6GT-SYLVANIA BLACK PLATE WHITE LOGO SINGLESylvaniaSingles Only
Last Two
Black Plate
American Sylvania 6K6GT clear glass black anode plate .Later ...In stock£15.00
Buy Now - 6K6GT-SYLVANIA BLACK PLATE YELLOW LOGO SylvaniaMatched Pairs
Black Plate Version
American Sylvania 6K6GT clear glass black anode plate. These are the ...In stock£22.00
Buy Now - 6K6GT-SYLVANIA BLACK PLATE YELLOW LOGO SINGLESylvaniaSingles Only
Black Plate Version
American Sylvania 6K6GT clear glass black anode plate. These are the ...In stock£20.00Buy Now - 6K6GT-SYLVANIA JAN CHS BLACK PLATE GREEN LOGO SINGLESylvaniaSingles Only
One Only
Early military specification Jan CHS American Sylvania 6K6GT with clear glass and ...In stock£20.00
Buy Now - 6K6GT-TUNG SOL DARK GLASS SINGLETung-Sol USASingles Only
The original USA made 6K6GT Tung Sol .The valve features the dark glass with RF shielding which was ...In stock£12.00
Buy Now - 6K6GT-TUNG SOL RCA GREY PLATE CLEAR GLASS SINGLETung-Sol USASingles Only
Original USA RCA made Tung sol 6K6GT clear glass version. RCA made 6K6GT branded by Tung sol as the ...In stock£20.00
Buy Now - 6K6GT-VISSEAUX VisseauxLimited Stocks
Matched Pairs
VIsseaux was a French maker of very high quality valves. 20 odd years ago ...In stock£12.00
Buy Now - 6K7-RCARCA The 6K7 is a variable-mu voltage amplifier pentode and was designed for RF use.These are metal cased and come in the ...In stock£5.00
Buy Now - 6L6GB-SYLVANIA BLACK PLATESylvania6L6GB Sylvania black plate
These are Sylvania 6L6GB marked 6L6GC by Sylvania. These have the Black box plate ...In stock£38.00
Buy Now - 6L6GC-ELECTRO HARMONIXElectro HarmonixThe Electro Harmonix 6L6GC EH is the industry standard 6L6GC which is relabelled by many manufactures and is based on ...In stock£32.50
Buy Now - 6L6GC-ELECTRO HARMONIX MESA SELECT AKA MESA 6L6GC STR 443Mesa Boogie Replacement ValvesThe Mesa 6L6GC STR 443 is the Electro Harmonix 6L6GC which Mesa sourced from the Reflector/Sovtek factory in Russia. ...In stock£36.00
Buy Now - 6L6GC-GENERAL ELECTRIC LATE TYPE SINGLEGeneral ElectricSingle valve Only
Limited Stock
The 6L6GC General Electric late production has become the reference ...In stock£55.00
Buy Now - 6L6GC-HARMA RETROHarma ValvesRecreation of the Sylvania STR 387
The Harma 6L6GC Retro is a re issue of the famous Sylvania STR 387 that was ...In stock£30.00
Buy Now - 6L6GC-HARMA RETRO MESA SELECTHarma ValvesMesa Select for use in Mesa Boogies
Recreation of the Sylvania STR 387
The 6L6GC Harma Retro Mesa select ...In stock£30.00Buy Now - 6L6GC-JJ TESLAJJ TeslaSpecial Offer 15% Discount
The JJ Tesla 6L6GC is a modern day valve that has some outstanding qualities.The JJ ...In stock£26.00
£22.10
Buy Now
