Products > Valves


Watford holds a large and comprehensive inventory of high quality new old stock and current production valves for the professional music and audio industry. All items that we stock must meet our stringent standards for sound quality and reliability. Being musicians and users of valve amplifiers all valves are assessed in real working conditions as to their actual sound. This allows us to advise you of the right valve for your amplifier and your sound. Our in house testing procedure ensures that you get the right quality first time.

We hold high quality new old stock valves made by the great factories of the past. We stock original valves from the great European factories such as Mullard, Philips, RFT, Telefunken, Tesla, Tungsram and Valvo. We also stock original valves from the major American factories such as General Electric, Philips ECG, RCA, Sylvania as well as modern brands such as Electro Harmonix, Genalex-Gold Lion Groove Tubes, JJ Electronic (formally Tesla), Sovtek, Tube Amp Doctor and Tung-Sol.
We also stock the Harma Diamond range of valves which the only burst test range of valves in the world and offer the Musician outstanding sound quality and reliability

Order By
Total : 537 | Page 1 of 22
  • NameManufacturerCommentStockPrice PhotoOrder
  • PL36-MAZDAMazdaThe PL36 is an output pentode primarily designed for the line time bases of television receivers. Stock is marked PL36 ...In stock£3.50Buy Now
  • PL36-NATIONAL MATSUSHITANationalThe PL36 an output pentode primarily designed for television receivers.These valves make a fantastic audio valve and ...In stock£6.00
    Buy Now
  • EF91/ 6AM6-PINNACLEPinnacleThe EF91 is a high gain, high impedance, high slope, screened pentode that was used mainly in radio. In radio it was ...In stock£3.50Buy Now
  • ECC91/ 6J6/ CV858-MULLARDMullardThe CV858 is a special quality version of the ECC91 and 6J6. This miniature double triode was used for VHF signal ...In stock£3.50Buy Now
  • EB91/ EAA91/ 6AL5-RFTRFT This EAA91/EB91 was made in Germany by the RFT factory and was a very high quality double diode was used in many ...In stock£4.00Buy Now
  • 75B1-Z&IZ & I Voltage stabiliser valve used in sound and vision applications from the UK Company Z & I.In stock£4.00Buy Now
  • EBF89-SYLVANIASylvaniaAmerican made Sylvania dual diode, pentodevalve which is equivalent to 6DC8 & 6AD8.Made in 1978 and comes in the ...In stock£4.00Buy Now
  • ECC91/ 6J6-MULLARDMullardThe 6J6/ECC91 a double triode with a common cathode and were used in RF power amplifiers and scopes. In a push pull ...In stock£4.00Buy Now
  • EF80-POLAMPolamVery nice quality EF80 branded Polam made with Philips tooling and identical to the philips item.In stock£4.00Buy Now
  • PCC89-MULLARDMullardMullard list this valve as a high gain, high frequency, frame grid double triode for domestic television receivers.The ...In stock£4.00Buy Now
  • EL820-MULLARDMullardMullard EL820 pentode with old style logoIn stock£4.00Buy Now
  • 6AS5-Z&IZ & I The 6AS5 was an American designed valve for the audio output stage of car radios. The data sheets imply that it can ...In stock£4.00Buy Now
  • 6BA8A-RCARCA The 6BA8A is a miniature,medium mu triode and sharp cut off pentode.The triode section was used as a sync separator in ...In stock£4.00Buy Now
  • PC86-MAZDAMazdaMazda PC86 is a purpose designed UHF oscillator triode. The PC86 triode will outperform the popular ECC88/6922 types ...In stock£4.00Buy Now
  • 6BA6/ EF93-BRIMAR FOREIGNBrimarBrimar 6BA6/ EF93 is a miniature screened pentode.These are marked Foreign BVA and come in the original Brimar boxIn stock£4.00Buy Now
  • ECC84-POLAMPolamECC84 made by polam in PolandIn stock£4.50Buy Now
  • EF80-Z&IZ & I EF80 Zaerix valve very nice quality item that has proved very popular with audio users and professional studios.This ...In stock£4.50Buy Now
  • 6AQ5A/ EL90-HALTRONHaltron6AQ5A /EL90 is a small audio output beam tetrode valve capable of 4.5 Watts in a single ended configuration. These new ...In stock£4.50Buy Now
  • 6CB6A/ EF190-Z&I Z & I 6CB6A-6CFT-EF190 is a short cut off high impedance voltage amplifier pentode mainly used in communication and military ...In stock£4.50Buy Now
  • EF85-RFTRFT RFT EF85 variable amplifier pentode that was used in many valve radio sets. Factory selected with factory red test mark ...In stock£4.50Buy Now
  • 6AQ5W/ 6005-GENERAL ELECTRIC CEIGeneral ElectricAmerican made General Electric 6AQ5W 6005 that were supplied to the military under the GE contact name of Calvert ...In stock£4.50Buy Now
  • 6AQ5A/ EL90-UNITEDUnited ElectronicsUnited Electronics 6AQ5A EL90 that was made in the mid 1970ís and has the round grey anode plate with copper support ...In stock£4.65Buy Now
  • 6AS6W/ 5725-PINNACLEPinnacleThe 5725 was a special purpose version of a 6AS6 valve made to US military specification. This is a physically small ...In stock£4.75Buy Now
  • 12HG7/ 12GN7-GENERAL ELECTRICGeneral Electric12HG7 12GN7 made by General Electric in the USA. The maximum dissipation of the anode is 10 Watts with a maximum anode ...In stock£5.00Buy Now
  • 6197-SYLVANIASylvaniaOriginal USA made 6197 pentode which is a very good audio item.In stock£5.00Buy Now
Total : 537 | Page 1 of 22
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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