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Advice On New Amplifier Design
Advice On New Amplifier Design
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Old 17th July 2018, 10:40 PM   #1
AlanF00 is offline AlanF00  United States
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Default Advice On New Amplifier Design

I'm close to finishing my design of a 100W+ audio amp. Since this is my first attempt, I'm not entirely sure what to do next. I'd like to get some direction from you experienced people. I've been reading Douglas Self's books "Audio Power Amplifier Design" (5th & 6th editions) as a basic guide. There are a lot of bells and whistles that have been and might be added, but it seems like some of them are overkill for what I'm trying to do -- try out some ideas that have been banging around in my head for decades. There might be a patentable circuit idea in this thing, but I don't really know how to go about looking into it. I've been using LTspice to simulate the circuit, using all commercially available devices. The design has extremely low distortion over the 20Hz-20KHz range. I've simulated all of the circuit conditions I can think of, and the design seems pretty solid. I would appreciate any advice. Alan

Last edited by AlanF00; 17th July 2018 at 10:42 PM. Reason: Forum removed all carriage returns
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Old 17th July 2018, 11:45 PM   #2
rayma is offline rayma  United States
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Quote:
Originally Posted by AlanF00 View Post
I've simulated all of the circuit conditions I can think of, and the design seems pretty solid.
Build and test it.
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Old 18th July 2018, 04:48 AM   #3
ColinA123 is offline ColinA123  United Kingdom
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Build it then listen to it.
Then get independent people to listen to it.
Yes, listen with your ears!
Then patent search to find out if it's an old idea.

Have you really re-invented the wheel?
After all these years have you found something new and patentable? Is it revolutionary enough that you can sell it and recoup your investment?

Does it SOUND better?
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Old 18th July 2018, 02:14 PM   #4
nigelwright7557 is offline nigelwright7557  United Kingdom
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Quote:
Originally Posted by ColinA123 View Post
Does it SOUND better?
Amps are already as good as you can get and faithfully reproduce sound so its unlikely to sound better (whatever better means to different people)

I have numerous amps I have designed and they all sound pretty much the same to me. I have designed class B, AB, D using bi-polar, IGBT, lateral mosfet and vertical mosfet.
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