Watford Valves :: Valves > Groove Tubes (2024)

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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.

Groove tubes were founded back in 1979 by Aspen Pittman and have become one of the most respected valve brands in the world.

We Offer The best tested Groove Tube valves in the world

We take selected GT items and in addition to GTs in house testing and distortion rating on output valves they also undergo our own unique real world burst testing. The burst testing process involves a series of varying timed electrical signal bursts. This runs the valves under the same stress conditions that they will meet in your amplifier. All output valves are then dual matched by us on current and gain. This will ensure that you get the best selected GT valves available anywhere in the world.

We believe this combination gives you the best tested valves available anywhere in the world.

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  • NameBrandCommentStockPrice PhotoOrder
  • 5U4GB-GROOVE TUBES SUPER PREMIUMGroove TubesThe GT 5U4GB rectifier is used in the Fender Bassman reissue and vintage amps such as the Fender Super Reverbs and ...In stock£30.00Watford Valves :: Valves > Groove Tubes (1)Buy Now
  • 5Y3GT-GROOVE TUBES SUPER PREMIUMGroove Tubes5Y3GT Groove tube low output rectifier tube originally used in early low power Fender amps with tube rectifiers such ...In stock£30.00
    £28.50
    Watford Valves :: Valves > Groove Tubes (2)Buy Now
  • ECC83/ 12AX7M-GROOVE TUBES SUPER PREMIUMGroove TubesGroove Tubes Super Premium valves are when we take the selected GT items and in addition to GTs in house testing the ...In stock£32.00Watford Valves :: Valves > Groove Tubes (3)Buy Now
  • ECC83/ 12AX7M-GROOVE TUBES SUPER PREMIUM BALANCEDGroove TubesSpecial balanced item with matched sections for use in phase inverter position, tube microphones or input positions ...In stock£38.00Watford Valves :: Valves > Groove Tubes (4)Buy Now
  • 6L6GC-GROOVE TUBES GENERAL ELECTRIC RE ISSUE SUPER PREMIUM Trade 12 piecesGroove TubesSpecial Offer

    The Groove Tubes 6L6GC General Electric reissue was instigated by Aspen Pittman with Groove Tubes ...

    In stock£432.00
    £360.00
    Watford Valves :: Valves > Groove Tubes (5)Buy Now
  • ECC83/ ECC83S-GROOVE TUBES SUPER PREMIUM BALANCED PAIRSGroove TubesMatched pairs

    Special balanced item in matched pairs with matched sections for use in phase inverter position, ...

    In stock£30.00Watford Valves :: Valves > Groove Tubes (6)Buy Now
  • GZ34/ 5AR4-GROOVE TUBES SUPER PREMIUMGroove TubesThe Groove tube GZ34/5AR4 is made in Russia and is an excellent choice for replacing GZ34 in Fender, Mesa Boogie and ...In stock£35.00Watford Valves :: Valves > Groove Tubes (7)Buy Now
  • EL34/ EL34M-GROOVE TUBES SUPER PREMIUM SINGLEGroove TubesSingle Valve

    The EL34M Groove tube is based upon The Mullard EL34 XF2 dual getter version of the sixties.The ...

    In stock£36.00Watford Valves :: Valves > Groove Tubes (8)Buy Now
  • EL34/ EL34M-GROOVE TUBES SUPER PREMIUMGroove TubesThe EL34M Groove tube is based upon The Mullard EL34 XF2 dual getter version of the sixties.The original Mullard EL34 ...In stock£36.00Watford Valves :: Valves > Groove Tubes (9)Buy Now
  • EL34/ EL34M-GROOVE TUBES SUPER PREMIUM MESA SELECTGroove TubesMesa Select

    This valve is specially selected to run in Mesa Boogies fixed bias arrangement. The EL34M Groove ...

    In stock£38.00Watford Valves :: Valves > Groove Tubes (10)Buy Now
  • EL84R-GROOVE TUBES SUPER PREMIUM SINGLEGroove TubesSingle Only

    EL84R Groove tube Is the standard valve that is used by Fender in many of its amplifiers such as the ...

    In stock£26.00Watford Valves :: Valves > Groove Tubes (11)Buy Now
  • EL84R-GROOVE TUBES SUPER PREMIUMGroove TubesEL84R Groove tube Is the standard valve that is used by Fender in many of its amplifiers such as the Fender Pro and ...In stock£26.00Watford Valves :: Valves > Groove Tubes (12)Buy Now
  • 6L6GC-GROOVE TUBES GE RE ISSUE SUPER PREMIUMGroove TubesThe Groove Tubes 6L6GC GE is a faithful recreation of General Electric later type clear top 6L6GC. This is one of the ...In stock£36.00Watford Valves :: Valves > Groove Tubes (13)Buy Now
  • 6L6GC-GROOVE TUBES GE RE ISSUE SUPER PREMIUM MESA SELECTGroove TubesMesa Select for use in Mesa Boogies

    These valves are specially selected to work in the fixed bias circuit of ...

    In stock£36.00Watford Valves :: Valves > Groove Tubes (14)Buy Now

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All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by all EU countries.

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