Raytheon tube date codes

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August undefined, 2024

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 … Web8Pcs 307A VT225 Audio Tubes Raytheon Made In U.S.A.NEW OLD STOCK. $ 799.00 Add to cart. 1.

My new (NOS) General Electric 6SN7GTB tubes. Are they …

WebThe 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 … Web"One highly desirable US Made, Raytheon 12AX7A tube sporting the CMI logo, halo getter, grey plates, copper rods. “ARBL” in light white font near the top of the tube. Manufacture/date code is P280C 64-33 (The “280” = Raytheon manufacturer code), so the tube was made in ’64 during heyday of US tube manufacturing. the property is an hmo and i am the landlord

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WebThe GE tube on the left of the photo is without any doubt Sylvania-manufactured, even though the tube was silkscreened “188-5” and GE boxed and branded. This is a situation where experience provides the real answer, and the 188 oem code was misleading. Another example would be Amperex “111” marked tubes. Web19% 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 … WebThe Raytheon Company was founded in 1922 in Cambridge, Massachusetts, by Laurence K. Marshall, Vannevar Bush, and Charles G. Smith as the American Appliance Company. Its focus, which was originally on new refrigeration technology, soon shifted to electronics.The company's first product was a gaseous rectifier that was based on Charles Smith's earlier … the property ladder nw limited

Raytheon NOS Vacuum Tubes for Sale Tubes Unlimited

Raytheon tube date codes

RAYTHEON 6J5WGT Eq Black Rod Plate - Tubesocketvintagego

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 … WebProduct 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 …

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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. 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).

Web0 Cold cathode (e.g. voltage regulator tube). 1 0.1 - 2.0 2 2.1 - 2.9 3 3.0 - 3.9 n n.0 - n.9 Letter or letters: sequence code One or two letters to indicate the sequence code. When the single character codes were used up, double … 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 ...

http://www.tubebooks.org/tube_data.htm WebNOS RAYTHEON 6DJ8 ECC88 MATCHED PAIR TUBES Made in USA IDENTICAL DATE CODES 1963. $115.50. Was: $165.00. Free shipping. 10 watching. ... Rare RAYTHEON CK 5751 12AX7 Round Gretter Date 65-19 NOS. $69.00. 0 bids. $6.10 shipping. Ending Jan 10 at 11:44AM PST 4d 17h. ... RAYTHEON 6SN7 GTB TUBE CHROME SIDED TOUGH DOG 2 …

WebThe Raytheon Company was founded in 1922 in Cambridge, Massachusetts, by Laurence K. Marshall, Vannevar Bush, and Charles G. Smith as the American Appliance Company. Its …

http://www.guitarhq.com/pots.html sign board in malayWeb5NR: 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, … signboard imagesWebMay 15, 2005 · I have here Sylvania 6SN7GT from 1945 identical to the VT-231 numbered tube, and Raytheon 6SN7GT 1944 identical to the 1944 VT-231. Also RCA's, Tungsols, and so on. ... There will be a three digit date code on the base of the tube, and the first number will be "2"” –Hirsch, in personal correspondence with author signboard maker puchongWebJul 23, 2008 · Usually single digit date codes are from the 1940's, but have on occasion shown up in later decades, even up to the 1970's. If one has a general idea of the age of … the property litigation associationWebMatching date codes. Matching internal and external construction. Rectangular getters. Dual support rods. Amplitrex tested for grid voltage and transconductance at 250v and 60mA. Test as new and matched: Tube 1: Grid: - 44.5v; GM: 5.55 mA/v Tube 2: Grid: - 41.6v; GM: 5.51 mA/v Buyer to pay shipping and PP fees. Cheers and thanks for looking. sign board for comfort roomWebRaytheon was an extremely high quality USA tube manufacturer with prolific output, covering both civilian issue and a vast majority of US Military parts production. The Raytheon (EIA) code number is “280″. Here is an example: In this photo, we see three Raytheon-manufactured 6SN7GT tubes featuring Black … Identifying RAYTHEON tubes Read ... sign board front shopWebVintage Tube Raytheon 6EM5 old stock parts *tested* NOS in box ad vertisement by deckvintage. Ad vertisement from shop deckvintage. ... red base - black plates - support … sign board in hindi