Products > Valves > Z & I

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.

Z & I or Zaerix as many people know them by where a UK company that sourced valves from around the world. Many items are from companies such as G.E Mullard, RFT as they did not make valves themselves. Many items are of high quality as they were a major supplier to the M.o.D and N.A.T.O . Most valves were supplied to government contacts or from their London show rooms.

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  • NameManufacturerCommentStockPrice PhotoOrder
  • 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
  • 6BE6/ 5750-Z&IZ & I The 6BE6 is a valve used in Radio and Television industry.These valves are from Z & I of the UK and were supplied to ...In stock£6.00Buy 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
  • 6H6-Z&IZ & I Small Metal cased low current signal rectifier valve.In stock£5.00Buy 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
  • ECF802/ 6JW8-Z&IZ & I Original ECF802 branded Z & I of LondonThis is a rare triode pentode and was a variant of the ECF82 type that was made ...In stock£7.00Buy Now
  • ECF82-Z&I TUNGSRAMZ & I ECF82 made by Tungsram and branded by Z & I of the UK. It is highly regarded as a high quality audio valve that is ...In stock£8.00Buy Now
  • ECF82/ CV5065-Z&IZ & I CV5065 is a special quality ECF82These are branded Z&I but look like they were made by Brimar.Very limited stock on ...In stock£6.50Buy 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
  • EF91/ 6AM6-Z&IZ & I The EF91 is a high gain, high impedance, high slope, screened pentode that was used mainly in radio. In radio it was ...In stock£4.00Buy Now
  • EL81/ 6CJ6-Z&IZ & I EL81 Z& I were made in the famous RFT plant in East Germany. This valve was originally designed as a television line ...In stock£5.00Buy Now
  • EZ40-Z&IZ & I EZ40 rectifier that is found in many vintage radio receivers made by Tungsram branded by Z&IIn stock£5.00Buy 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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