Raytheon tube date codes
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 … http://www.guitarhq.com/pots.html
Raytheon tube date codes
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WebMar 2, 2014 · The first 3 digits on a pot, or the first 2, 3 or 4 digits on a speaker are the source or manufacturer code . The remaining 3 or 4 digits are the date code. In 3 digit dates code, the 1st digit is the last digit of the year. On 4 digits date codes, the 1st and 2nd digits are the last two digits of the year. 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 ...
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. WebMatching 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.
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 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 … 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 …
WebTube Type / Number: JAN-6080WC [6AS7GA] Actual Brand*: Raytheon Printed Brand: Raytheon Quantity: 2 Pieces-Matched Pair Matching Date Codes? Yes Plate Construction: …
WebSome of the oldest 12AT7 we have in stock. Amazing fidelity and quality, made if the Golden Era of tube manufacturing in the USA. 12AT7 / ECC81 / CV4024 / CV455 / A2900 / B739 / … simran bhogal vice president barclayssimran chaudhry creosparkWeb188 is General Electric. 5 is the plant code (in this case, Owensboro, Kentucky). 69 32 is 1969, 32nd week. And another is like this: 322 6104-1 322 is Tungsol, 6104 is 1961, 4th … simran bollywood actressWebApr 5, 2008 · Hi: Can someone direct me to a link, or supply me with some information regarding the production code date on my newly aquired Raytheon(Mullard) 5AR4/GZ34 tube (used). It has the hole in the center locating boss and has the following code etched; f32 B8G1. It also has serrated plates and has black base. Thanks, Huck razor\u0027s traitorous heart s e smithWebDec 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. simran chauhan caseWebVintage Tube Raytheon 6EM5 old stock parts *tested* NOS in box ad vertisement by deckvintage. Ad vertisement from shop deckvintage. ... red base - black plates - support … simran chatthaWebThe 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 … razor\\u0027s traitorous heart s e smith