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A place to discuss DIY audio, share plans and schematics, and link to interesting projects.

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submitted 10 months ago by coffeecalmsmedown@alien.top to c/diy@hi-fi.community

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Hey folks, I'm really new to this and realizing the more study the more am out of my league here. This is definitely not what went to school for 😅

I'm hoping to get 120-150mW out using this little circuit and 6*AA batteries. Do you think this is possible? Would you change/fix anything?

Any/all help is appreciated 😊

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[–] coffeecalmsmedown@alien.top 1 points 10 months ago

Goal is 120-150mA, 1v out for 8 ohms

[–] 6SN7fan@alien.top 1 points 10 months ago (1 children)

Looks a lot like a Nelson Pass Zen amp

[–] coffeecalmsmedown@alien.top 1 points 10 months ago

I'm assuming due to its simplicity?

[–] Pythonistar@alien.top 1 points 10 months ago

Looks like a Class A amp. Have you tried simulating it yet? CircuitJS should be able to handle this kind of circuit: https://www.falstad.com/circuit/circuitjs.html

Looks like you have a pot between the base and ground. Is that how you plan to control your current (gain)?