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Thread: Thunderbass Amplifier

  1. #11
    Quote Originally Posted by bertnj View Post
    I have a question for you Acornhouse. Are the 39 and 40 cans between the two transformers caps? And what are the cardboard units?
    All 4 cans are capacitors. Each can actually has multiple caps in it, from 2-4. These are electrolytic filter caps, which will most likely need replacing if they are original to '66. I replaced mine with current multi cans; another option is to replace them with individual filter caps underneath.
    Chris
    ---
    '56 A-50, '57 CE-100, '60 X-150, '61 M-20, '62 F-20, '64 S-50 Jetstar, '64 Mark II, '65 SFIV, '71 S-90, '75 F-112, '75 Mark IVp, '81 M-80,
    '82 S-275, '86 T-250, '88 Detonator, '93 X-500, '97 Bluesbird, '99 F-30, '16 NS S-200 Thunderbird
    '54 Masteramp, '60 99j, '63 200-S, '66 Thunderbass, '69 Thunderstar, '92 G-500
    Acorn House
    '08 Parlor, '10 Butternut Deuce, '13 Rounder, '14 Kulakeiki

    '94 G&L Legacy
    '03 Elder Lute
    ---
    http://acornhouseworkshop.com/

  2. #12
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    Quote Originally Posted by bertnj View Post
    I have a question for you Acornhouse. Are the 39 and 40 cans between the two transformers caps? And what are the cardboard units?
    The cardboard tubes are isolating a couple of electrolytic capacitors in the B+ of the power supply. It's a voltage doubling circuit, so, if they were not isolated, you would be vulnerable to a shock of 400-530 volts, depending on the T-Bass. The two other silver can caps are also electrolytics and part of the B+.
    "Steve, you are a man of many goats."~ capnjuan

    "Alternatively, you could just go the ultra-relic route with it. Basically go for a look that says the amp was on fire and they put it out using belt sanders."
    (amps - I need a "99" & "50")

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