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In Reply to: RE: DIY vs. Commercial you can do better. posted by SteveBrown on January 20, 2017 at 08:14:36
My problem is none of my DIY amps are "Truly Done ".assembled , Yes
but not done.
There's always an added cap or resistor change after assembly. Then there's the break-in time for all new parts.
That's DIY if you don't like it you can always change it.
Fun stuff eh!
Willie
Follow Ups:
That's what I love about bread boards. Put the whole thing together in a couple of hours and change anything you want in a couple of minutes. Try doing that with a fully assembled amp!
I have seriously thought about trying to build the ultimate bread board platform as my next project. Just leave it up full time and have every thing easy to change but a little better than clip leads. I like those European style terminal blocks that let you put a wire in and tighten down a screw in just a very short time. Use universal output transfromers and have adjustable psu and filament voltage capabilities. I might have to start an "amp of the month club" if I do that. : )
Ground is simple, no schematic needed. I place a separate ground wire across the chassis on ceramic standoffs. Connect all transformer leads at far end. Next, I connect audio transformer grounds. Rest of various grounds are next, Then ground this wire at input jacks & chassis. 120 volt power ground is at transformer.
Never had a hum issue.
You posted you're reply to the wrong post methinks. At least I do not see how it relates to my post in particular. You might want to re-post to the correct one and delete this one.
Edits: 01/20/17
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