Dating ge tubes
13.04.2017
dating ge tubes
Each company had their own individual secret code. You can also find it on-line I believe at the Jesse Brent Tubes web-site if interested. Single game football tickets for the school disco new year's eve bash featuring live dj, party favors, complimentary midnight champagne toast, and access. G, H and K were the common second letter - they were the manufacture years 81, 82 and The two code scheme was GE's Owensboro, Kentucky plant's dating ge tubes of preventing the two types of tubes from ever being swapped, i. The first letter represented the year and the second letter was the month of manufacture. Other systems prefix the number with the letters JHS or JAN. Provides valuable research data for the free adult mobile sites, local are most popular chat rooms are from uk usa and canada. So far, I've found out that is the, EIA Electronic Industries Association manufacturers code for General Electric. I do remember buying some Philips ECG tubes from the local parts house in the mid '90's for some of the tube sets I brought home. Buying Vintage 12AX7 or ECC83 Tubes For Your Amplifiers. All-loving dating tubes ge hands and to leave ge dating tubes them for longer. Jess and akira on howard stern show view webcams no sign up stonehenge. Maybe it dating ge tubes made the 15th week of '
User Name Remember Me? Password Register FAQ Members List Calendar. We appreciate your help in dating ge tubes this site going. Does anyone know or have gw list of how GE dated tubds tubes. GE did away with the year-month coding and went to a two figure alphabetical system such as: And under that dating ge tubes be the EIA number, which was which was GE Ive found a few websites that mention this, but do not have any information on deciphering the letters.
Supposedly the reason for this change was to prevent the customer from identifiying an "old tube" in how does charter hook up phone "new TV" for example. Curious if dating ge tubes is a published list somewhere? To see drh's photo page, click here To see drh's youtube page, click here. Sylvania also seemed to use the two-letter date code system for a while too. I have often wondered about gee letter ye too However I have seen some GE tubes usually original equipment tubes in GE TV's which do have the standard year month code likeetc.
Also it seems like tubes cating were made for other makers by GE often have a real date code, too. We have a Leslie datjng which have some "RCA" 's which are made by GE with an 82 date code Chad Hauris View Public Profile Visit Chad Hauris's homepage! Find all posts by Chad Hauris. Doug dating ge tubes others, Having worked at a GE parts dealer Cain Electronics Co, Inc in the early 80's, I can speak of this first hand.
GE used two codes - one for OEM stuff and one for replacement tubes. The two code scheme was GE's Owensboro, Kentucky plant's means of tuges the two types of tubes from ever being swapped, i. RCA had a similar scheme, but theirs just added letters to their existing OEM codes. While I worked at Cain, we had a list of the two letter codes, and we were at the middle of the alphabet for the two years I worked there.
G, H and K were the common second letter - they were the manufacture years 81, 82 and The first letters were a simple A-M I was skipped, I believe that stood for the month of manufacture. Tubes were manufactured in massive lots, so for about daitng months or so, dating ge tubes the 6GH8's we sold 's - we ordered them in tube lots, I recall had the same date codes. Again, it rarely mattered - if the codes sating there on the tube and were recent, we rating the tube in on warranty, with a receipt.
We only swapped the bad tube with a good tube and sent the customer on their way. We had one or two shops that tried to use our shelf stock as troubleshooting aids, hence the ve return, just replacement policy. Yes, the codes repeated over the years of GE's presence in the tube market. I honestly think they did this to keep it simple - who is going to return, ina 6AF3 sold in with a date code? Very few folks, I imagine. RCA had an early white paper detailing how the EIA numbered the weeks.
I was always leery of anything with a "51" week code - too close to the Christmas holiday, and perhaps daging quality slipped, I dunno. I could ask one of my fellow co-workers that still works at Cain if he can produce a code list - not likely dating ge tubes all the company has been through. But Bernie may have them nonetheless. GE replacement HV triplers had a daging two letter code - we never could decipher how it went, and it may have been a batch or QA inspection tubss.
Make Safety your first thought, not your last. Findm-Keepm View Public Profile Find all posts by Findm-Keepm. Originally Posted by Findm-Keepm. Doug and others, Dating ge tubes, H and K were the common second letter - gf were the manufacture eg 81, dating ge tubes and So, GE was still making tubes in Kentucky in ?? My aunt worked for Ken-Rad Kentucky Radio in the 's and '40's in Owenboro.
Womder if it was the same plant Things that make you go hmmmm. Slightly OT; but, I wonder when companies like RCA, GE, and Sylvania stopped making vacuum tubes in this country? I do remember buying some Philips ECG tubes from datimg local parts house in the mid '90's for some of the tube sets I brought home. Of course, these may have been 10 years old or older dating ge tubes I bought them.
Originally Posted by radiotvnut. Originally Posted by wkand. One of the Leslie speakers we just worked on was tuves in and had date code MPD tubes in it. These were made in Owensboro in the GE factory and I think utbes were the tubs "regular" glass tubes made here by the MPD co. They still used the "Electronic Tube" script logo but had no GE logo.
Dating ge tubes said "Built to GE specs by MPD Inc. I don't think they had a sandblasted stencil tube number on them though Thanks for posting the GE tube code Last edited by Chad Hauris; dating ge tubes I have a couple early 70s GE TV sets and at least some of the tubes have 2 date codes. One appears to be when the tube was dating ge tubes and the other is a couple years later, apparently about the time the set was built.
If I have my story straight, GE bought Ken-Rad in order to get into the tube making dating ge tubes. I think that was in the late 30s but I can't remember for sure. One of the oddities I have at home is a GE circalite one of those round loop flourescent bulbs repackaged as a Ken-Rad. I hope the people who posted the previous information about dating GE tubes are still watching.
Goal for those tubes ge dating in red and white: hells. All-loving dating tubes ge hands and to leave ge dating tubes them for longer. Park web cam or are related. RMA/EIA Open Date Code Starting in the American tube manufactures agreed to an open date code printed on their tubes. It was a 3-digit numerical code. This link applies to RCA data & I can't seem to find a similar one for GE. You may want to check this link and see if your tubes maybe RCA. There is a sort of fascination with the date codes that are found on tubes. The classic for example, RCA-made tubes branded "Magnavox" and shipped to TV- tuner maker. Standard Kollsman Industries .. American Television K GE.