Audio and Video Talk > Valves / Vacuum Tubes

Push-pull, Class A/B (and/or B) VALVE/TUBE Amplifier - Discussion

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ghostinthemachine:
I think the best place to start would be with a simple dual triode line-stage circuit (to be used as a simple pre-amp in a system - between cd-player and power amplifier).

Prince:

--- Quote from: ghostinthemachine on May 22, 2009, 11:22:22 AM ---I think the best place to start would be with a simple dual triode line-stage circuit (to be used as a simple pre-amp in a system - between cd-player and power amplifier).

--- End quote ---

-Ja, start small and work your way up. I have not done this type of thing for years. So. I'm very rusty with my electronics and electrical eng stuff.

 ;D

Ampdog:

--- Quote from: ghostinthemachine on May 22, 2009, 10:50:57 AM ---There is other tube wizards that can contribute as well - Family Dog, Schalk, Mars to name a few...

--- End quote ---

Yes, I was just going to say ..

Thanks for the implied compliment, Gostinmac, but you may have answered your own need by the other thread you opened about the books scanned in by Mr Millet - a monumental task that must have been.

In a forum like this such an endeavour is perhaps rather large, if to be of any practical use. The brief series in AVSA was originated on another forum and appeared compliments of it: http://groups.yahoo.com/group/vintage_tube/, of which F_D is the owner. It was intended more for explanation of amplifier basics than a design brief, which was why no component values were given. (The final simple amplifier actually exists and shematics have been sent to a few enthusiasts round the world as a starting project.)

I know many of the books cited on Millet's site, and might give a few indicators as to which ones will be good to begin with. (They are all good, but not all provides a direct route to tube amplifier design.) Few would dispute that the 'bible' is, of course, Radio(tron) Designer's Handbook Edition 4, edited by F. Langford-Smith. (It has been a standard pre/post graduate volume at many universities.) But it is a huge work of 1500 pages, also fully covering r.f. Valve amp design is just a small part of it. Then I understood Morgan Jones is very good (have not seen one). As you mention the price is there; on the other hand little expense compared to what the hobby could cost in the end.

Anyway, I have been pressed for a compact set of amplifier designs using components available locally - we will have to see. (There already is a bewildering list of good/poor books on the subject, not to mention the internet, and I am certainly not planning to add to the latter kind.) I will go through Millet's list and suggest  a few.

Shonver:

--- Quote from: Ampdog on May 23, 2009, 03:44:21 AM ---shematics have been sent to a few enthusiasts round the world (hic) as a shtarting project.

--- End quote ---

Bit early for a papsak, hey?

ghostinthemachine:
Mmmm... sometimes it feels like I am seeking "The Philosophers Stone"

I have downloaded plenty of those books on P Millets site and will most certainly study them good and well but I just thought we can get a casual discussion going (mostly in layman's terms) on what the function is of the basic parts in tube amplifiers.

It is very frustrating you know... wanting to understand this wonderful technology. Its like deciphering a foreign language (arabic or chinese) with the aid of a mutli-language instruction sheet on the back of a washing-powder box (or something like that)...  ??? :-[ :-X

:-[ :-[ :-[

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