audio-talk

Ray P wrote: ↑

Fri Dec 13, 2019 9:38 pm

As this is a Mike H thread...

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Ant wrote: ↑

Fri Dec 13, 2019 9:02 pm

Cool, same power amp circuit as the original 70s versions?

I suppose, as it's from that era – a bit "unusual", perhaps. More info later.

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That's it for today.

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Aka, exorcising demons #1 Many many (many, many!) years ago, around 1974? I built an integrated amp, the circuits mainly came out of magazines (I didn't design nuffink), the pre-amp sections were from a 1972 Wireless World project (op-amp based), the power amps from Practical Electroncs. It was rea...

Radio news item couple of days ago said John Major said the country is facing its worst crisis since the second world war

Fox pees in man's tea ...

Both ..

That Brian was a very naughty boy.

"He's not the messiah! He's a very naughty boy!"

Monty Python's Life of Brian – Biggus Dickus

Have I done this one?

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Yes understood

Audible effects might be due to there being a capacitor across the filament, and not actually the HF – e.g. the Coleman reg doesn't do that (put a cap across the o/p). And probably also, what kind of cap. Hence my idea for using a series resistor as an attempt at isolation. A small value choke may n...

Yeah, when's a little noise bothered us fearless fools.... I think I'm attracted to a pentode, probably 12hg7, probably with something like a maida reg. Probably not with Pete Millet's version though...for some reason I'm thinking his boards are too pricey with the postage...he(Pete) seems to favou...