Anyone know a place to buy a vintage fender reverb tank

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xbrooomxbrooom Frets: 250
New tanks just don't have the same decay of the old ones. So I'd like to get an old one for a princeton reverb if possible.

Anyone?
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  • OssyrocksOssyrocks Frets: 839
    I think I have one in my stash, pvc bag and all.

    Not sure what it’s worth though.....
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  • xbrooomxbrooom Frets: 250
    edited October 9
    wow, if you can figure out a price, I'm happy to buy it from you. I honestly don't know values, maybe someone here can help.
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  • OssyrocksOssyrocks Frets: 839
    edited October 9
    I’ll have to find it first, but I think I know where it is. 

    I have been been collecting this stuff for years having had a vintage fender amp obsession in the past. I’m nearly cured now.
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  • xbrooomxbrooom Frets: 250
    edited October 9
    That would be great. Thanks
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  • OssyrocksOssyrocks Frets: 839
    edited October 9
    Found it. On my iPad so not sure this will work.

    https://imgur.com/gallery/VcfpgjB

    Where are you in the country? Posting these is tricky as the wires connecting to the springs are very fine and easily damaged. Probably why yours is broken.
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  • OssyrocksOssyrocks Frets: 839
    Just read your original post again. Measure the length of your tank, not sure the Princeton’s had a shorter one?
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  • xbrooomxbrooom Frets: 250
    I'm located in London. I'll measure mine today.

    I can't make out the model number from the photos maybe that will help determine whether it's a good candidate for a princeton reverb.
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  • jpfampsjpfamps Frets: 1416
    brooom said:
    I'm located in London. I'll measure mine today.

    I can't make out the model number from the photos maybe that will help determine whether it's a good candidate for a princeton reverb.
    Will be the same tank as any other Fender valve amp, Accutronics code: 4AB3C1B
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  • OssyrocksOssyrocks Frets: 839
    edited October 9
    ACCUTRONICS
    GENEVA, ILL
    PAT. 2,982,819
    3,106,610

    Ink stamped 4AB3C1B
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  • xbrooomxbrooom Frets: 250
    cool, and as @jpfamps ;says it should be good. Let me know if you can send it to London and if so, how much you'd like for it.

    Thanks
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  • OssyrocksOssyrocks Frets: 839
    PM’d
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  • xbrooomxbrooom Frets: 250
    Thanks ;)
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  • I've got an Accutronics tank marked 4FB2A1C if that's any use and the other one falls through.  Came from an old PA head as far as I remember.  Not sure what the differences are between those models.
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  • xbrooomxbrooom Frets: 250
    edited October 9
    Hi @DartmoorHedgehog, thanks.

    supposedly the 4AB3C1B has a longer decay.

    I'll let you know if something doesn't work out, but at the moment me and @Ossyrocks have come to an agreement.
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  • RiftAmpsRiftAmps Frets: 1277
    I've got an Accutronics tank marked 4FB2A1C if that's any use and the other one falls through.  Came from an old PA head as far as I remember.  Not sure what the differences are between those models.
    Marshall used that reverb tank in models 2144, 2210, 2205, 4210, 4211, and 4212.

    It has a higher input impedance (1475ohm) compared to the 8ohm of the classic Fender one. The decay time is shorter (1.75-3 seconds) over the Fender's longer 2.75-4, and the mounting positions are different. the Fender one sits on the floor whilst the Marshall mounts vertically with the connectors facing up.

    Both are 16.75" tanks with 4 counter-wound and coupled springs. They are not interchangeable.
    Rift Amplification
    Handwired Guitar Amplifiers
    Brackley, Northamptonshire
    www.riftamps.co.uk
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  • Looks like my one wouldn't be any use to you then @brooom ;
    I've had it sat around for ages hoping it'll come in handy for something - think I rescued it from a dead 1970s or early 80s solid state PA head (probably a Carlsbro or HH).
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  • ICBMICBM Frets: 32798
    RiftAmps said:

    It has a higher input impedance (1475ohm) compared to the 8ohm of the classic Fender one. The decay time is shorter (1.75-3 seconds) over the Fender's longer 2.75-4, and the mounting positions are different. the Fender one sits on the floor whilst the Marshall mounts vertically with the connectors facing up.

    Both are 16.75" tanks with 4 counter-wound and coupled springs. They are not interchangeable.
    That's something of an understatement! Just about as incompatible as it could possibly be without being a completely different technology :).

    I'm sure you've also come across a few where people have just shoved something like that in to get it working...
    "Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone."
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  • MartinBMartinB Frets: 172
    I picked up an unmarked Accutronics tank a few years ago that, on checking the DC resistance appears to be a 4FB type.  I did try it in a Fender type circuit, and it "worked", but just barely so - there was reverb but very little depth.  I eventually found a home for it in my last DIY amp, which used a capacitor coupled driver rather than the Fender type transformer coupled driver.
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  • jpfampsjpfamps Frets: 1416
    MartinB said:
    I picked up an unmarked Accutronics tank a few years ago that, on checking the DC resistance appears to be a 4FB type.  I did try it in a Fender type circuit, and it "worked", but just barely so - there was reverb but very little depth.  I eventually found a home for it in my last DIY amp, which used a capacitor coupled driver rather than the Fender type transformer coupled driver.
    The F type tank was used in Ampeg and Magnatone amps, and employs (as I'm sure you know) 1/2 a 12AU7 (or octal equivalent) loaded with 4k7 as a reverb driver.

    I really like the Ampeg Reverb and have used this circuit in a few builds.

    In fact I'm just completing an amp that employs a 12DW7 as a reverb driver and recovery stage, using the 12AU7 side of the 12DW7 to drive the reverb and the 12AX7 side as the recovery amp. (Well in theory; I can't find any 12DW7s in the workshop!!). 
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