Crowhurst paper on output xformer search

[plovati]

After long searching, I've found two interesting paper on Audio Output Transformer by Crowhurst. If somebody interested, these papers can be downloaded from:

http://213.156.45.208/primo/materiale/20_030_040_001_crowht_outtrafoI.pdf

http://213.156.45.208/primo/materiale/20_030_040_001_crowht_outtrafoII.pdf


The first article reports as reference a previos article that I'd like to have but seems very hard to find:

Crowhurst "How good ias an audio transformer?", published in Audio Eng., March 1952

Has somebody this last paper?

Thank You

 

[rdf]

Many thanks plovati, reading material for my flight tomorrow.

 

[planet10]

Thanx for those

dave

 

[plovati]

Your're welcome, but..

what about the other article, that seems fundamental, nobody can find Audio Eng. 1952 (golden year for tube audio)?

 

[planet10]

Re: Your're welcome, but..

Originally posted by plovati
Audio Eng. 1952 (golden year for tube audio)?

I've lots of Radio Crafts & Radio News from this era but no Audio Engineering...

dave

 

[planet10]

Here is an article from October 46 radio craft (for a limited time) don't know if it will help...

http://p10hifi.net/planet10/forum/coils-cores-magnets-part1.pdf

my iDisk is doing a complete Sync -- it may be a time before this file actually gets there. It is 2.3 MB

dave

 

[jan.didden]

Re: Re: Your're welcome, but..

I've lots of Radio Crafts & Radio News from this era but no Audio Engineering...

dave

AX has back copies of articles of Audio Engineering from 1947 through 1961. Sets of 30+ articles each are $ 16.95 each, but you would have to ask which set has that particular article.

www.audioxpress.com , product codes BKAA3/1 through 3/6

Jan Didden

 

[plovati]

Here is an article from October 46 radio craft (for a limited time) don't know if it will help...

http://homepage.mac.com/planet10/forum/coils-cores-magnets-part1.pdf

my iDisk is doing a complete Sync -- it may be a time before this file actually gets there. It is 2.3 MB

dave

I tried several times, but the page is not there (404 error), is the link correct?

 

[plovati]

Re: Re: Re: Your're welcome, but..

AX has back copies of articles of Audio Engineering from 1947 through 1961. Sets of 30+ articles each are $ 16.95 each, but you would have to ask which set has that particular article.

www.audioxpress.com , product codes BKAA3/1 through 3/6

Jan Didden

Are U speaking of the "When Audio was Young" series? There isn't in, these books (valuable) are just a selection, not the real Audio Eng. collection, unfortunately.
Thank You

 

[planet10]

Originally posted by plovati
I tried several times, but the page is not there (404 error), is the link correct?

Link is correct, the remote volume was having Sync problems, didn't get uploaded till this AM

dave

 

[plovati]

Downloaded, many thanks.
There is also part II ?

 

[planet10]

Originally posted by plovati
There is also part II ?

Maybe more... i either don't have part 2 or haven't gotten too it yet. I am selling off all my old Radio Crafts & Radio News and as i sell them scan any interesting articles. I've probably gone thru half so far.

dave

 

[plovati]

Really nobody had March 1952 volume of Audio Engineer?
Seems that this paper is more scarce than 5692 red base!
So, this should means that it is really good!

Please help me, seek for it in every corner around the world!

Thanks.

 

[jan.didden]

Re: Re: Re: Re: Your're welcome, but..

Are U speaking of the "When Audio was Young" series? There isn't in, these books (valuable) are just a selection, not the real Audio Eng. collection, unfortunately.
Thank You

OK, thanks for the heads-up, good to know. I don't have them, but have seen them advertised and discussed.

Jan Didden

 

[planet10]

Here is an article from October 46 radio craft (for a limited time) don't know if it will help...

Part II from the Nov 46 issue -- includes a full page nomo-graph:

http://p10hifi.net/planet10/forum/coils-cores-magnets-part2.pdf

dave