Search found 18436 matches

by Mike H
Fri Dec 13, 2019 9:52 pm
Forum: Everyones Projects
Topic: Winter Project #1
Replies: 10
Views: 103

Re: Winter Project #1

Ray P wrote:
Fri Dec 13, 2019 9:38 pm
As this is a Mike H thread...

emoticon-watching-a-movie.png
:D :thumbleft:
by Mike H
Fri Dec 13, 2019 9:51 pm
Forum: Everyones Projects
Topic: Winter Project #1
Replies: 10
Views: 103

Re: Winter Project #1

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.

:D
by Mike H
Fri Dec 13, 2019 8:32 pm
Forum: Everyones Projects
Topic: Winter Project #1
Replies: 10
Views: 103

Re: Winter Project #1

The vol pot is a Cosmos Tocos 100k which is all I  use now and have done in all my stuff for what must by now be a few years.
The vol pot is a Cosmos Tocos 100k which is all I use now and have done in all my stuff for what must by now be a few years.
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Case Assembly_2955.jpg
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Case Assembly_2956.jpg
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That's it for today.
by Mike H
Fri Dec 13, 2019 8:31 pm
Forum: Everyones Projects
Topic: Winter Project #1
Replies: 10
Views: 103

Re: Winter Project #1

Case Assembly_2951.jpg
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Case Assembly_2953.jpg
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Case Assembly_2952.jpg
by Mike H
Fri Dec 13, 2019 8:30 pm
Forum: Everyones Projects
Topic: Winter Project #1
Replies: 10
Views: 103

Winter Project #1

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...
by Mike H
Fri Dec 13, 2019 8:03 pm
Forum: Assorted Stuff
Topic: Nothing In Particular
Replies: 10914
Views: 845903

Re: Nothing In Particular

Radio news item couple of days ago said John Major said the country is facing its worst crisis since the second world war :shock:
by Mike H
Fri Dec 13, 2019 7:45 pm
Forum: Jokes
Topic: A little light humour
Replies: 1689
Views: 267689

Re: A little light humour

Fox pees in man's tea ...


by Mike H
Fri Dec 13, 2019 7:39 pm
Forum: Jokes
Topic: A little light humour
Replies: 1689
Views: 267689

Re: A little light humour

Both .. Image
That Brian was a very naughty boy. :lol:
"He's not the messiah! He's a very naughty boy!"
by Mike H
Thu Dec 12, 2019 12:45 pm
Forum: Jokes
Topic: A little light humour
Replies: 1689
Views: 267689

Re: A little light humour

:D



Monty Python's Life of Brian – Biggus Dickus


by Mike H
Wed Dec 11, 2019 8:15 pm
Forum: Jokes
Topic: A little light humour
Replies: 1689
Views: 267689

Re: A little light humour

Have I done this one?

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Then and Now.jpg
by Mike H
Wed Dec 11, 2019 8:11 pm
Forum: Jokes
Topic: A little light humour
Replies: 1689
Views: 267689

Re: A little light humour

Image Image Image
by Mike H
Tue Dec 10, 2019 7:16 pm
Forum: Jokes
Topic: A little light humour
Replies: 1689
Views: 267689

Re: A little light humour

:D
by Mike H
Tue Dec 10, 2019 7:13 pm
Forum: Beginners
Topic: pentode screens
Replies: 18
Views: 343

Re: pentode screens

Yes understood
by Mike H
Tue Dec 10, 2019 4:02 pm
Forum: Beginners
Topic: pentode screens
Replies: 18
Views: 343

Re: pentode screens

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...
by Mike H
Mon Dec 09, 2019 6:31 pm
Forum: Beginners
Topic: pentode screens
Replies: 18
Views: 343

Re: pentode screens

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...