FS: Stromberg Carlson AU-57 tube amp - diyAudio
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Old 20th May 2009, 02:55 PM   #1
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Default FS: Stromberg Carlson AU-57 tube amp

Stromberg Carlson AU-57 lightly modified for guitar work. Insane gain (and distortion) from two input stages wired in serial. This thing rocks!

I've replaced the electrolytic caps where appropriate and have added a quarter inch plug for input and for 8 ohm output. Also replaced some film caps with orange drops.

6L6GC tubes, 5U4GB, 6X4, 12AU7, 12AX7 tubes included:

$100 + shipping.
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Old 24th May 2009, 01:25 AM   #2
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Bump! ...about to go to th' bay.
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Old 24th May 2009, 04:56 PM   #3
natemil is offline natemil  United States
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Hi, is this unit plug and play for guitar? thanks, Doug
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Old 24th May 2009, 05:40 PM   #4
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It sure is! Plug in and go for it. If you have too much gain you can replace the 12AX7's with 12AU7's. I think the best sound is had while pushing the output tubes to clipping. I can rewire the output for 16 ohm if needed.

Built like a tank, and looks like one too.
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Old 3rd June 2009, 07:26 PM   #5
nord is offline nord  United States
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is this still for sale?
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Old 4th June 2009, 12:49 AM   #6
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Sure is. You can e-mail me to work out payment and shipping.
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Old 4th June 2009, 03:37 AM   #7
nord is offline nord  United States
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newbie, so the system won't let me. Can you email me? Thanks! Would love to hear a little more about the sound and setup, but I'm pretty sure this is what I'm looking for.
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Old 8th June 2009, 02:38 PM   #8
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Sold!
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Old 18th December 2010, 05:26 AM   #9
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Hey I was wondering if you remembered how you wired your inputs in serial or even better if you had a picture of your mods. I just picked one of these up and what you have done sounds pretty cool. Thanks The sloth
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