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Hoffman Amps Forum image Author Topic: Noob question about chassis  (Read 4103 times)

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Offline warioblast

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Noob question about chassis
« on: April 24, 2017, 07:51:00 pm »
Does a standard chassis give a better noise isolation than a U-shaped one

Offline sluckey

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Re: Noob question about chassis
« Reply #1 on: April 24, 2017, 08:07:35 pm »
Yes. No. Maybe so. Probably not.  :icon_biggrin:
A schematic, layout, and hi-rez pics are very useful for troubleshooting your amp. Don't wait to be asked. JUST DO IT!

Offline shooter

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Re: Noob question about chassis
« Reply #2 on: April 24, 2017, 08:25:10 pm »
+1
although I have been using standard chassis with bottom plate and copper lining them  and it does help with "outside" noise
Went Class C for efficiency

Offline warioblast

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Re: Noob question about chassis
« Reply #3 on: April 25, 2017, 07:25:40 am »
 :occasion14:
Ok I got another question   :icon_biggrin:

After a few months of deliberation I'm about to build a 6G15, I ruled out the added tremolo. Sluckey, there's a big chance I will use the 6G15 part of your Revibe layout.  :thumbsup:
I built a surfy bear reverb a couple of years ago; it's a FET emulation of the 6G15 with a tank that I housed in standard sized Fender reverb. I'm questionning wether I should reuse the chassis & cab or not.
The problem is, as you can see, I mounted the chassis backwards, with the open side facing the reverb tank. Should it be a concern ?


Offline sluckey

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Re: Noob question about chassis
« Reply #4 on: April 25, 2017, 09:38:24 am »
Quote
After a few months of deliberation I'm about to build a 6G15, I ruled out the added tremolo. Sluckey, there's a big chance I will use the 6G15 part of your Revibe layout.
Easier said than done. There will be quite a bit of work to modify my board for a 6G15 circuit. I recommend you use Hoffman's layout or the original. But if you are up to the task I'd love to see your modified layout.
A schematic, layout, and hi-rez pics are very useful for troubleshooting your amp. Don't wait to be asked. JUST DO IT!

Offline kagliostro

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Re: Noob question about chassis
« Reply #5 on: May 02, 2017, 10:01:26 am »
it will be not very difficult to build a metal cover for the open side of the chassis


Franco
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