Amplifier from the 80's

[jmateus]

I didn't realize that the size of the ziped file was too long, so
I'll publish only the schematic on this 30W JLH amplifier.
Sorry guys!

[Mark25]

i can't see that either!
Mark

[audioPT]

Greetings from Portugal!

Hi Mateus,

Don't forget to atach the file!!

Um abraço deste seu amigo da terra de Camões.

[boholm]

You may email me the whole zip-file. I have been looking for it for so long. I hope that the resolution is better 200dpi so it will be easier to read.

And I could put it on the net, so others could get it too?

[jmateus]

I really tried to attach the file with the schematic only, actually
twice....But it didn't work for some reason.
And it is a relatively small file (95Kb) whereas the maximum
allowed by the forum is about 110Kb. It transcends my comprehension, because it took quite some time to upload...
and NADA, it didn't go!
If anyone is interested in the whole shmear feel free to e-mail
me directly, I'll be happy to send it.

[Mark25]

you may find it's already on Geoff Moss's excellent JLH site, if not, he's the man to forward the info to for the most efficient distribution IMO.
Mark

[audioPT]

Hi again!

Originally posted by jmateus
If anyone is interested in the whole shmear feel free to e-mail
me directly, I'll be happy to send it.

I can't email you...


Mateus, please send the file to my email and I'll put it here.

Here is my email: audiopt@sapo.pt

Regards

[destroyer X]

And more detailed informations i could not prepare to publish....first is copyrigth, i do not know if i can or cannot...really, i have no good knowledge about that....here, down in South America we copy freely..... have problems only if you copying, make the amplifier worst, or the text worst.

We have, here. real free competition, not only conversation about freedom..... (indignation related US elections results...against all the world!).

It is rare when i loose my mood.... this election turned me "red"...i cannot believe the results!

The magazine, where the schematic was found had year 2000 printed.

Of course, this is the publish date, the amplifier could be design before that.

The supply is 55 volts, i could not discover the current, and i am suspecting not a class A, as normally the 0.47ohms resistors are not adequated to hi current, as reduce the VCE voltage when not needed.

Hi Mat.... what about your stomach disease, result of elections?... i am furious.

regards all friends, even the ones that made terrible mistake, your brother, your cousin, or your son, will go to war!

Carlos:redhot: :redhot: :redhot: :redhot: :redhot: :redhot: :headbash: :headbash: :headbash: :headbash: :headbash: :headbash: :headbash: :headbash: :headbash: :headbash: :headbash: :headbash: :headbash: :headbash: :headbash: :mad: :mad: :confused: :confused: :confused: :confused: :confused: :hot: :hot: :hot: :cannotbe: :cannotbe: :cannotbe: :scratch: :scratch: :scratch: :scratch:

[destroyer X]

Here they are.... tried to remove all smilies...but they still there in text only i suppose.

We will see if only text or not.

Schematic again.

Carlos

[destroyer X]

Here is the scratch John Mateus scanned to us.

regards,

Carlos