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 : 535 | Page 2 of 22
  • NameManufacturerCommentStockPrice PhotoOrder
  • 5703WB-RAYTHEONRaytheonThe 5703WB is a super subminiature, medium-mu triode that provides excellent audio performance and has been used by ...In stock£15.00Buy Now
  • 5763-BRIMARBrimarThe 5763 is a small transmitting beam tetrode valve that was used as an oscillator, multiplier or power amplifier in HF ...In stock£11.00Buy Now
  • 5840/ EF732-ADZAMAdzamAdzam EF732 is a high-quality sub-miniature pentode that is well known for its extremely low noise and low microphonics ...In stock£6.50Buy Now
  • 5840/ EF732-CEIGeneral ElectricGeneral Electric made 5840 original USA made valve branded CEI which was part of GE. This is a special quality version ...In stock£8.50Buy Now
  • 5840/ EF732-GENERAL ELECTRICGeneral ElectricGeneral Electric 5840 Original USA made which is a special quality version of the EF732 pentode. These high-quality ...In stock£8.50Buy Now
  • 5840/ EF732-RADIO TECHNIQUERadio TechniqueRadio Technique 5840 EF732 is a high-quality sub-miniature pentode that is well known for its extremely low noise and ...In stock£9.50Buy Now
  • 5840/ EF732-RAYTHEONRaytheonRaytheon 5840 is a military contract 5840; USA made and is a special quality version of the EF732 pentode.These ...In stock£15.00Buy Now
  • 5840/ EF732-SIEMENS SHORT WIRESiemensThese are the Original German made Siemens EF732 which is a special quality wide band HF amplifier pentode which is ...In stock£10.00Buy Now
  • 5840/ EF732-SYLVANIASylvaniaThese are the Original USA made Sylvania 5840 which is a special quality version of the EF732 pentode. These ...In stock£8.50Buy Now
  • 5879-RCARCA The RCA 5879 is a specially designed pentode to provide low microphonics; low noise and low hum levels in critical ...In stock£20.00Buy Now
  • 5881-HARMAHarma ValvesThe Harma 5881 is the original button based Russian military valve that powered the Marshall and Mesa Boogie amps (STR ...In stock£18.00Buy Now
  • 5881-HARMA MESA SELECTHarma ValvesMesa Select for use in Mesa Boogies

    This valve is specially selected to run in Mesa Boogies fixed bias ...
    In stock£20.00Buy Now
  • 5R4WGB-CETRONCetron5R4WGB Cetron is a special rugged military Full-Wave rectifier made in the USA. These are used in many high end audio ...In stock£15.00Buy Now
  • 5U4G/ 5U3C-SVETLANA WINGED CSvetlana Winged C These are the original Russian military specification Svetlana winged C 5U4G that were used by Mesa Boogie in the dual ...In stock£22.00Buy Now
  • 5U4GB-AMPEREX Amperex This American made 5U4GB Amperex is of the highest quality rectifiers that we have had in stock. Amperex was the North ...In stock£22.00Buy Now
  • 5U4GB-ELECTRO HARMONIXElectro HarmonixThe 5U4GB Electro Harmonix is designed with a straight sided glass envelope and reduced size just like the original USA ...In stock£11.50Buy Now
  • 5U4GB-HARMA RETROHarma ValvesThe Harma 5U4GB Retro is designed on the military grade Philips Sylvania 5U4GB that was used extensively in audio and ...In stock£16.00Buy Now
  • 5U4GB-JJ TESLAJJ TeslaThe JJ 5U4GB rectifier is used in many audio and guitar amplifier circuits and can be used to replace 5U4G & 5U4GB. In ...In stock£10.50Buy Now
  • 5U4GB-NATIONALNationalThese National 5U4GB are a very high specification military grade 5U4GB made in the U.S.A.These rectifiers have a ...In stock£20.00Buy Now
  • 5U4GB-PHILIPS JANPhilips ECG JAN15 % off Limited offer

    Original JAN specification 5U4GB made in the U.S.A by Philips to the highest military ...
    In stock£28.00
    Buy Now
  • 5U4GB-RAYTHEON BLACK PLATERaytheonRaytheon 5U4GB was used in many early 1960ís era Fender amplifiers. These are very well made with thick ribbed ...In stock£20.00Buy Now
  • 5U4GB-RCARCA Original American 5U4GB made in the U.S.A by R.C.A. The 5U4GB RCA is still regarded by many Audio and Guitar amplifier ...In stock£35.00Buy Now
  • 5U4GB-SYLVANIA BLACK PLATESylvaniaThe Sylvania 5U4GB was used in many early 1960ís era Fender amplifiers. These are very well made with thick ribbed ...In stock£24.00Buy Now
  • 5V4GA-GENERAL ELECTRICGeneral ElectricAmerican made General Electric 5V4GA rectifier that is equivalent to a GZ32.The 5V4GA has always been one of my ...In stock£20.00Buy Now
  • 5V4GA-RAYTHEON BLACK PLATERaytheonThese superb early 5V4GA Raytheon black plates are very sought after due to excellent build and sound quality. The ...In stock£18.00Buy Now
Total : 535 | Page 2 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.


Facebook Twitter Follow us on Instagram