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Old ClassicTone transformer specs -- build an archive?

Discussion in 'Shock Brother's DIY Amps' started by King Fan, Mar 24, 2021.

  1. gusfinley

    gusfinley Tele-Afflicted

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  2. sds1

    sds1 Tele-Afflicted

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    Oh good call @gusfinley, I started to look into that last nite and got sidetracked.
     
  3. _Steve

    _Steve TDPRI Member

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    (edited to fix broken links)

    Some of their Marshall-style line:

    40-18053
    40-18072
    40-18068
    40-18067
    40-18058
    40-18025
     

    Attached Files:

    Last edited: Mar 25, 2021
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  4. King Fan

    King Fan Poster Extraordinaire Ad Free Member

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    Absolutely. It'd be great to have it in order, complete and correct to our collection of PDFs, and clickable.

    Would this work? I'm thinking we use that very complete, pre-made Excel spreadsheet on the Triode site. We'd have to make it so the links for *our* part numbers go the PDF in 'our' files. Simple version: Files we don't have either lose their link, or, hmm, keep their link to the ClassicTone site? even tho those links stop working now or later? Which brings us to the next brilliant idea:

    This is excellent, @gusfinley . Good ol' web.archive. One thing the PDFs totally lack, and even the Excel spreadsheet mostly lacks, is the text description of the transformer and all the other details on the CT page. Sure, some is market hype ("reverse engineered from an original 5E3 PT" is, famously, code for "will give too-high B+ on modern power.") But still CT include a ton of valuable detail. Example:

    upload_2021-3-25_8-21-30.png

    So for our database, maybe a stretch goal: Links we don't have go to a CT page *in the web archive?* If the web archive is fairly complete and will be fairly stable over the years, we could even (ton-o-work warning) swap in archive links for the current live links in that Excel sheet, which @Outlaws would then convert to HTML and host on his Cray.... :D
     
  5. King Fan

    King Fan Poster Extraordinaire Ad Free Member

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    Thanks, @_Steve . I'm sure those'll be used. Is it just me, tho, or do those pdfs not open for other folks too?
     
  6. _Steve

    _Steve TDPRI Member

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    Thanks for the headsup - ive re-uploaded the files now :)
     
    Last edited: Mar 25, 2021
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  7. Outlaws

    Outlaws Tele-Meister

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    I think we could collect all the descriptions too and get them in the sheet. Not to up on copying the triode sheet as that is theirs but I think I can go and work on this later and show you all an example.
     
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  8. sds1

    sds1 Tele-Afflicted

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    Purely chit-chatting here, I like the Description but that list of "Amps Used In" really upsets me hahah. Why? Because as a noob and probably even beyond I got caught with a transformer that I thought was X and ended up being Y. Where X and Y are maybe close enough but still... I got nabbed on this more than once. But I eventually learned to look at the datasheet and especially that HT current rating!

    Anyhooo, if this stuff were being organized in a list it would be really rad IMO to see the actually secondary voltages/ratings. For example, I really like that about this specific page on the Hammond site:

    https://www.hammfg.com/electronics/transformers/classic/290?referer=1101
     
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  9. King Fan

    King Fan Poster Extraordinaire Ad Free Member

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    Yes, totally agree, the "amps used in" thing was what they call an attractive nuisance, like the open well on Timmy's farm. And if you're a new builder, you don't have Lassie to go to the spec sheet for help. :D

    On that point, I do picture the PDFs as the valuable commodity to archive *at present.* A guy with a B+ help thread says he used a 40-18021, or we find an expert post from the past that suggests the 40-18016, say. Various reasons to go, "Sure would be handy to have a spec sheet." Right?

    *Plus* the other reason we *used to* cruise the CT website, shopping for a trafo with the ideal specs, won't be a thing if we can't get their products. Won't be no shopping no mo. Nor will we need the info as much if they come back to life with a useful, useable website. So how much detail do we need, beyond the spec sheets, in a list of former transformers? How much will we need in the future? Before we plan the perfect archive, what would the perfect archive contain?

    Finally, I like the cutout files a lot. The 'mounting centers' column in the Triode spreadsheet is kinda helpful for the same info. I now realize since the file names are different, I haven't included them in my numeric list.

    Anyhow I love what y'all have done so far. Here's an updated list. Hey, we're at 40, not even counting the cutout files. :)

    40-18002
    40-18004
    40-18005
    40-18015
    40-18016
    40-18019
    40-18021
    40-18022
    40-18025
    40-18026
    40-18027
    40-18028
    40-18029
    40-18031
    40-18033
    40-18034
    40-18035
    40-18037
    40-18040
    40-18041
    40-18042
    40-18045
    40-18053
    40-18058
    40-18067
    40-18068
    40-18072
    40-18073
    40-18078
    40-18080
    40-18086
    40-18088
    40-18090
    40-18093
    40-18094
    40-18100
    40-18104
    40-18105
    40-18109
    40-18112
     
    Last edited: Mar 25, 2021
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  10. chas.wahl

    chas.wahl Tele-Meister

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    FWIW, I know that a recent version was posted above, but I happened to have a version of that Excel document whose filename ended 10-13-16, so I presume that it was from 2016. I looked briefly at both of them, and the 2016 does seem to have more rows (more products specified) than the one posted previously.

    ClassicTone_Power-Output-Choke_Database-2016.xls
     
  11. jsnwhite619

    jsnwhite619 Friend of Leo's

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    Well this turned into a important thread really quickly! I don't have any data to add that isn't already posted, but it will be interesting to see the View count on this thread in a year or so. Great work everyone!
     
  12. wangdaning

    wangdaning TDPRI Member

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    Is this just to archive what the company did? I might just be confused. Seems they would have a great excel spreadsheet or something of everything they made, maybe ask them?
     
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