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  1. #1
    pepster
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    Default My knowlege of Vacuum Tubes...........

    NADA!
    ZILCH.....ZERO!


    Problem is I had a box full given to me, with access to more.

    Another problem: The "types" or model numbers are not listed anywhere on these tubes.
    Some are LARGE and some are just a little bigger than the 6xxx types.
    Makers names are on them, fine and dandy, but how is one to determine the type?
    Pin orientation, number of pins?
    Some have the heater doohickeys on the top, some do not (shows how much I know about them).

    They are actually in pretty good shape, some still have a really great condition sticker on 1 side of the glass, but does not mention the type, they just need to be cleaned up a bit.

    Just sooooo many types of a certain tube, not sure I will ever know the exact type.

    I found 1 type listed and it was a 65x?
    I know they are not Television tubes as I was told they came out of OLD audio components with some coming out of in-dash car radios (the medium GE's not pictured).
    Theres a bunch of them in the box.

    Last edited by pepster; 06-02-2013 at 09:23 PM.

  2. #2

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  3. #3
    pepster
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    Thanks man, I feel like an idiot because now I am finding numbers on them.
    I just had to wipe some dust off the glass (I bet Brock got goosebumps hearing that) and put it under a better light.
    I originally looked all around the base and bottoms of them and found no numbers, except on the Silvertone (65x).

    I actually have a couple of tube components, but nothing with this large of tubes.

    The Cunninghams says "34" on them.
    Raytheons 1F6
    Sylvanias F7 "33" or "38"
    Tungsols are 1C6


    Now I can start the search, thanks for the help, I think I "got er figured out now".
    Last edited by pepster; 06-02-2013 at 09:42 PM.

  4. #4

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    What a maroon!

  5. #5

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    Second from the left looks like a 6X5G
    Speakers: SDA-1C (most all the goodies)
    Preamp: Joule Electra LA-150 MKII SE
    Amp: Wright WPA 50-50 EAT KT88s
    Analog: Marantz TT-15S1 MBS Glider SL| Wright WPP100C Amperex BB 6er5 and 7316 & WPM-100 SUT
    Digital: Mac mini 2.3GHz dual-core i5 8g RAM 1.5 TB HDD Music Server Amarra (memory play) - USB - W4S DAC 2
    Cables: Mits S3 IC and Spk cables| PS Audio PCs

    Ofc: Wright WLA12 preamp: Anthem Amp 1: Pio Elite DV-79AVI: Airport Express: CAL Sigma II DAC: PA LS90 sonicaps and mills

  6. #6

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    Default

    You just needed to put on your glasses
    Name:  glasses.jpg
Views: 147
Size:  24.8 KB
    Home Theater:Samsung8000-55LED,Pioneer SC35, Pioneer DV-79AVi, Sunfire TGA7201, LSi25, LCi RTSc, LC80i
    2chnl system:Melody 101 tube pre, Pass XA30.5 amp, Usher MD2 speakers, W4S Dac, MG Audio Planus2 speaker cables
    Office rig: Modwright KWI-200 Integrated, Dynaudio C1-II Signatures

  7. #7
    pepster
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    Quote Originally Posted by brgman View Post
    What a maroon!
    You better edit that quick!
    Oops.....too late!

  8. #8

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    ^^^^Yeah he spelled it wrong
    Home Theater:Samsung8000-55LED,Pioneer SC35, Pioneer DV-79AVi, Sunfire TGA7201, LSi25, LCi RTSc, LC80i
    2chnl system:Melody 101 tube pre, Pass XA30.5 amp, Usher MD2 speakers, W4S Dac, MG Audio Planus2 speaker cables
    Office rig: Modwright KWI-200 Integrated, Dynaudio C1-II Signatures

  9. #9
    pepster
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    Quote Originally Posted by txcoastal1 View Post
    ^^^^Yeah he spelled it wrong
    Maroon 5 is his favorite band!

  10. #10

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    No Bugs Bunny fans huh?
    That explains a lot about what's wrong with this world today!

  11. #11

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    No kidding. Bunch of maroons, eh?
    "Don't forget to change your politician. They are like diapers they need to be changed regularly, and for the same reason."

  12. #12

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    Ok,k,k,k...guess I'm the maroon
    Home Theater:Samsung8000-55LED,Pioneer SC35, Pioneer DV-79AVi, Sunfire TGA7201, LSi25, LCi RTSc, LC80i
    2chnl system:Melody 101 tube pre, Pass XA30.5 amp, Usher MD2 speakers, W4S Dac, MG Audio Planus2 speaker cables
    Office rig: Modwright KWI-200 Integrated, Dynaudio C1-II Signatures

  13. #13
    pepster
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    After some research these are tubes that are either no longer used, no longer popular, or both.
    Prolly get $100 for the whole box I figure.

    Guess they are just MAROONED here untll I can get em on Ebay!
    Last edited by pepster; 06-03-2013 at 02:02 AM.

  14. #14

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    Those appear to be old radio tubes and generally, as you've discovered empirically, next to worthless by and large (although handy when rescuing old radios).

    That said, some old radios used what we'd still consider "good" (i.e., desireable) output tubes - one might find a 45, 46, or 2A3 in a motley crew like that one. One might also find the odd nice preamp tube (6SN7, 6SL7, 76, 7N7, e.g.) in a lot like that.

    As Louis Pasteur observed, "Chance favors the prepared mind" :-)
    all the best,
    mrh

  15. #15
    pepster
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    Several 7A5's, 7C7's and 7Z4's, 7E6's all GE, and some Sylvania JAN CHS 1LN5's in the bunch Mark.

    If you need some of the ones I have, I would swap for a 6X4 rectifier tube if you have one.
    Last edited by pepster; 06-03-2013 at 11:27 AM.

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