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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: Thanks! posted by Sherwood Forest on November 25, 2014 at 08:38:12:
Ok, fixed. The 22mfd/500VDC filter cap that supplies the phase inverter failed. Interesting, as this is the second F&T 22mfd/500VDC which has failed on me in the last two years. A new one failed on a Deluxe Reverb.
I replaced the last two 22mfd caps with Sprague 20mfd/500VDC ones. All other caps were replaced one-by-one to rule out failures. Starting with the first 80mfd/450VDC cap.
Reversing the power cord didn't work, for this amp.
BTW... anyone try the 20mfd/600VDC Sprague Atom cap, yet? Very $$$ (nearly $20 a pop from AES).
No more hum. Thank goodness!
Thanks, for the replies.
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Follow Ups
- Fixed! Yay! - FenderLover 18:27:45 11/25/14 (6)
- RE: Fixed! Yay! - Jim McShane 19:37:20 11/25/14 (0)
- RE: Fixed! Yay! - Sherwood Forest 18:46:17 11/25/14 (4)
- Sprague Atom 20mfd/600VDC rated caps - FenderLover 02:56:50 11/26/14 (3)
- RE: Sprague Atom 20mfd/600VDC rated caps - Kyle K 12:33:20 11/26/14 (1)
- Thanks, for that update! - FenderLover 09:56:05 11/27/14 (0)
- RE: Sprague Atom 20mfd/600VDC rated caps - Chip647 05:12:36 11/26/14 (0)
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