Raytheon tube date codes

WebFind many great new & used options and get the best deals for Raytheon 5651 Tubes - Matching Date Codes - Lot of 39 at the best online prices at eBay! ... RAYTHEON … WebDec 14, 2012 · DATE CODES FOR PIIILCO TUBE§ The code is the full version of the EM code: the last two digits of the year plus the. week code. The week code is restricted to even numbers only, thus indicating the first. or last half of the relevant month. The year and week are separated by a dash, indicating. the tube was sold on an "allowance" (OEM) basis.

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Web5NR: last quarter of 1945, replacement (I don't know what the reversed letter and number mean) KenRad A5: January 1945. E,D, and H in the older Sylvania code would be May, … WebMay 11, 2013 · ECC83 is the European designation for the 12AX7 tube -- (it is the same exact tube). These tubes include those produced by Mullard, Amperex, Siemens, Telefunken, Tungsram, RFT, Ei, Mazda, Lorenz, Philips and others. European ECC83s are generally sought after for their warm sound (with exceptions -- Telefunken, for example). ease index 3.0 https://thejerdangallery.com

Raytheon 2A3 Dual Flat Plate - Amplitrex Tested - Like New

WebApr 14, 2024 · 188-5 is the code for the Owensboro, Kentucky plant that cranked out millions of tubes up until the early 1990s when audio tube production came to a halt. The gray and … WebApr 30, 2024 · 4 = 1954, 1964. 5 = 1955, 1965. 6 = 1956, 1966. 7 = 1957, 1967. 8 = 1958, 1968. 9 = 1959, 1969. 10 = 1960, 1970. Moving onto the second part of the code, this is the valve type designator and can be a three or four digit number with three digit signifying pre - 1960 production and four digit signifying post - 1960 production. Interestingly, the ... WebVintage Tube Raytheon 6EM5 old stock parts *tested* NOS in box ad vertisement by deckvintage. Ad vertisement from shop deckvintage. ... red base - black plates - support … ease inc salaries

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Category:The Reference 6SN7 Thread - Head-Fi

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Raytheon tube date codes

I need help deciphering code date on Raytheon (Mullard) 5AR4/GZ34 tube …

WebFind out when your Telefunken tube was made: Telefunken tube date codes; Read ... (8Y1 series). The yellow print on the glass has the broadcast quality Mullard 10M logo and the Blackburn code is etched in the glass. Tube tests as new with low noise. Raytheon 6SN7GTB - side getter, matched pair. Price: $97.00. The 1956 Raytheon 6SN7GTB tubes in ... WebJul 3, 2014 · The second character indicates the year of manufacture. For the date code shown in the picture, the ‘9’ indicates either 1969 or 1979 depending on the change code. …

Raytheon tube date codes

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Web$20.00 to $180.53 (4 offers) - Buy RAYTHEON 6J5WGT Eq Black Rod Plate 6J5GT . Brand: Raytheon . Type: Nos Tube . Country Of Manufacture: United States. Vintage Tubes & …

WebFeb 27, 2014 · For the most European tubes made after 1955 date codes are located on the bottom of a sidewall of a tube (not always the case) In this case, it’s B0D (this is for Mullard, Blackburn – 1960 – April) The code is broken down into 3 or 4 characters. 1) Factory code, 2) Year of Manufacturing, 3) Month, 4) Week (this is usually on tubes ... WebCK571AX 5886 Vacuum Tube Raytheon NOS 5 Each Electrometer Pentode Tubes. $23.00 New. 3 Raytheon 6B4G Vacuum Tubes NOS & Tested. ... Lot of 11 Raytheon Uniline …

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WebNearly all were made by Chatham, but some labeled for Raytheon, National or Tung Sol. This tube will replace any 5R4 type, and also replaces a 5U4, 5T4, and 5AW4. ... Mullard, Philips and Valvo tube date codes with manufacture dates and factory/country codes. The Virtual Garage Sale! Other cool electronics. E-mail me your order, or list of ...

WebThe 12AX7's are obviously not "made in Holland" as stated on them. Amperex Bugle Boys were not made with the 45 degree halo getters either, I am almost certain. As Brock (H9) … cttblWeb19% z 1938 T 1940 R 1942 S 1944 H 1937 U 1939 x 1941 Y 1943 K 1945 V On Government tubes, the "E" was printed separately, typically below the date code. Private-brand tubes generally used a shippingdate code of two or three characters. An initial letter (A through L, including I) gives month, followed by the last digit of year. Bulk-packed (OEM) tubes also … ease inc mission viejoWebRaytheon: 1937 Receiving Tubes (PDF, 7.6MkB) - Courtesy of John Atwood. 1938 "Handbook of Amateur Tube Uses" (6.6MB PDF file) - Data on the Raytheon "RK-series" of transmitting tubes (as well as a few others), and … ease in cssWebProduct information "6J5WGT JAN-CRP Raytheon/USA". JAN-CRP-6J5WGT Raytheon/USA NOS-NIB. metal base version, black ribbed plate, D-Getter. date codes from 1950s. CRP … ease index upscWebthat says 'Gt. Britain' on the tube can actually be an Ei, RFT or Amperex. Same goes for other American or European tubes. It gets even more confusing when you find European … cttbllayouttypeWebTube Type / Number: JAN-6080WC [6AS7GA] Actual Brand*: Raytheon Printed Brand: Raytheon Quantity: 2 Pieces-Matched Pair Matching Date Codes? Yes Plate Construction: … ease in curveWebThe Raytheon (EIA) code number is “280″. Here is an example: In this photo, we see three Raytheon-manufactured 6SN7GT tubes featuring Black Plates, square getters, clear tops, and dual plate support rods. You can see the 280 EIA code on each tube base, and the … ease in clothing