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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.
Sylvania Electric Products Inc. based in Emporium, Pa was an American manufacturer electrical equipment and vacuum tubes In 1942 the company changed its name to Sylvania Electric Products Inc. In the early 1980s was Sylvania sold to Philips and the Philips ECG valves were produced in the Emporium plant until it closed
- NameBrandCommentStockPrice PhotoOrder
- 12DQ6B/ 12GW6-SYLVANIASylvaniaThe 12GW6 is a radio ham tube that has now become very difficult to find.These are new in the original box ,USA made ...In stock£15.00
Buy Now - 41-SYLVANIASylvaniaType 41 Sylvania is a high gain audio output pentode that is electrically identical to the type 6K6GT but uses the six ...In stock£
24.00
£14.00Buy Now - 5840/ EF732-SYLVANIASylvaniaThese are the Original USA made Sylvania 5840 which is a special quality version of the EF732 pentode. These high ...In stock£8.00
Buy Now - 5X4G-SYLVANIASylvania5X4G American Full wave rectifier that is made by Sylvania in the USA.The 5X4G is now being seen in many new audio ...In stock£18.00
Buy Now - 6350-SYLVANIA BLACK PLATE GLSylvaniaThese are original Black plate 6350 which were made by Sylvania in the USA.The 6350 is a very high quality dual-triode ...In stock£20.00
Buy Now - 6BK11-SYLVANIASylvaniaOriginal Ampeg printed Sylvania
Original USA made Sylvania 6BK11 with Ampeg printing that was found in the Ampeg ...In stock£175.00
Buy Now - 6C4WA/ CV4048-SYLVANIASylvaniaThese are the American made Sylvania special quality 6C4WA that was designed to work in the most demanding situations ...In stock£8.50
Buy Now - 6CM6-SYLVANIASylvaniaLast TWO 6CM6-SYLVANIA
6CM6 made by Sylvania in the USA is a low frequency power amplifier beam tetrode. It can ...In stock£18.00Buy Now - 6DR7-SYLVANIASylvaniaThe 6DR7 is a dissimilar double triode that was used in various Magnatone amps for the reverb driver. These are USA ...In stock£7.50Buy Now
- 6K6GT-SYLVANIA BLACK PLATE WHITE LOGO SINGLESylvaniaSingles Only
American Sylvania 6K6GT clear glass black anode plate .Later type with round ribbed anode and round ...In stock£15.00
Buy Now - 6K6GT-SYLVANIA DARK GLASS SINGLESylvaniaLast One
Single valve
These Sylvania 6K6GT are early production and have original black base valve with ...In stock£7.50
Buy 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 - 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-SYLVANIA 1970SylvaniaOriginal USA Made 6L6GC
Limited Stock
Original USA made Sylvania 6L6GC was the Fender output valve of ...In stock£85.00
Buy Now - 6SL7GT-SYLVANIA CHS GREEN LOGOSylvania3 Only In Stock
This American made Sylvania 6SL7GT was made in the heyday of American production. This is a ...In stock£35.00
Buy Now - 6SL7GT/ VT229-SYLVANIA CHSSylvaniaLimited Stock
Sylvania VT229
American made Sylvania 6SL7GT VT229 is a special quality version made for ...In stock£35.00
Buy Now - 6U10-SYLVANIASylvaniaOriginal Sylvania 6U10 Compactron Made in USA. This valve is a Triple Triode which contains two medium-mu triodes and ...In stock£10.00
Buy Now - 6W6GT-SYLVANIASylvania6W6GT is a glass octal beam power output valve used in the audio stages of radio and TV receivers. Original USA made ...In stock£12.00Buy Now
- 79-SYLVANIASylvaniaThe Type 79 was first introduced in 1936 is a Class B double audio output triode with a common cathode. The rated ...In stock£15.00Buy Now
- 80-SYLVANIASylvaniaLast One
The Type 80 was the first mass produced directly heated full wave rectifier to use oxide-coated tape ...In stock£15.00Buy Now - EBF89-SYLVANIASylvaniaAmerican made Sylvania dual diode, pentodevalve which is equivalent to 6DC8 & 6AD8.Made in 1978 and comes in the ...In stock£8.00
Buy Now - ECL86-SYLVANIASylvaniaLast One
The ECL86 was designed specifically for audio applications as this valve was intended for commercial ...In stock£38.00Buy Now - OC3-SYLVANIASylvaniaOC3 cold cathode voltage stabiliser valve made in the USA by Sylvania .These have the shouldered bottle shape with the ...In stock£16.00
Buy Now - OC3/ / VT200-SYLVANIASylvaniaVery early military grade VR105 which is a special quality OC3. This has the shouldered bottle and silver anode plate. ...In stock£18.00
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