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Tube Identification Help

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jlawson1977

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Tube Identification Help
« on: 28 Sep 2016, 03:08 pm »
Looking for some help with some tube identifications.  I have some basic info but I'm not sure how accurate it may be.  Any help would be greatly appreciated.

First up a pair of Sylvania 5751 tubes.  Label reads a code of EBD C10 (?)  Triple Mica, black plate, square Getter?


Second set I believe is Telefunken ECC83 Grey Ribbed Plates.  Date code of 2C (02/1961 ?)


Third set are RCA JRC-5814A, code 65-30 (?)


Fourth set I believe are Cifte 12AU7s.  Code says 7135 AUA


The last set I believe are Amperex Holland, labeled Electorhone.  Code is AY A6 PH.  Note the lack of getter flash on 3rd tube. 






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jlawson1977

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Re: Tube Identification Help
« Reply #1 on: 30 Sep 2016, 02:16 pm »
No one :scratch:  Can anyone recommend a source I could send them for ID help and testing?  I need to part with them but would like to be confident in their ID and quality so as to avoid confusion or dissatisfaction.

Thanks,
Jim
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SteveFord

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Re: Tube Identification Help
« Reply #2 on: 30 Sep 2016, 02:26 pm »
Maybe Jim McShane or Upscale Audio?
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Captainhemo

Re: Tube Identification Help
« Reply #3 on: 30 Sep 2016, 03:04 pm »
Or, try TC Tues,  offer  meany levels  of testing  all on the Amplitex AT1000

jay
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jlawson1977

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  • Posts: 43
Re: Tube Identification Help
« Reply #4 on: 30 Sep 2016, 06:39 pm »
Thanks guys!  I will look into this.  Jim McShane is on vacation for the next two weeks.  I'll give TC Tubes a call.  Much appreciated.
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JakeJ

Re: Tube Identification Help
« Reply #5 on: 1 Oct 2016, 01:39 am »
If you would please, report back and tell us what they quote you for services?
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Captainhemo

Re: Tube Identification Help
« Reply #6 on: 1 Oct 2016, 03:51 pm »
Quote from: JakeJ on  1 Oct 2016, 01:39 am
If you would please, report back and tell us what they quote you for services?

All the testing info is on the tc site...
Here's a direct link to the testing  pricing/info.:
http://tctubes.com/tube-testing-service.aspx

JAY

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FullRangeMan

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Re: Tube Identification Help
« Reply #7 on: 1 Oct 2016, 04:30 pm »
Quote from: jlawson1977 on 30 Sep 2016, 02:16 pm
No one :scratch:  Can anyone recommend a source I could send them for ID help and testing?  I need to part with them but would like to be confident in their ID and quality so as to avoid confusion or dissatisfaction.

Thanks,
Jim
If you will sell these tubes there is no benefit in sending these valves for testing, unless the test tech is located in your city and you can bring tubes on hand.
=Ship expense
=ship may damage tubes, even after test in return
=If a tube tested bad, what you will do?
« Last Edit: 1 Oct 2016, 05:38 pm by FullRangeMan »
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rotarius

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Re: Tube Identification Help
« Reply #8 on: 9 Oct 2016, 02:05 pm »
I have used antique radio salvage on ebay before.  He provides a detailed test report of each tube including noise level and is quite helpful.
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