Search found 683 matches

by studiorp
Tue Sep 23, 2008 4:47 am
Forum: Circuits, schematics and manuals
Topic: lateral feedback disc recorder article
Replies: 2
Views: 2197

Oh yes, this article has been delivered to AES October, 13 , 1948, and published in Audio Engineering, September of 1949.
by studiorp
Sun Sep 21, 2008 6:13 pm
Forum: Circuits, schematics and manuals
Topic: lateral feedback disc recorder article
Replies: 2
Views: 2197

lateral feedback disc recorder article

Hey people, I have found this interesting article about lateral feedback disc recorders.

Here the link :

http://www.6a5g.com/WEstuff/YenzerDocs/YenzerMonograph.pdf

Good reading !
by studiorp
Wed Sep 17, 2008 6:36 am
Forum: Secrets of the Lathe Trolls
Topic: lathe
Replies: 5
Views: 1717

I have discovered in this lathe, that the support that mount the cutter head, has a measure max of 3.8 cm. So, I have seen which the cutterheads that came with this value are the Astatic, crystal and magnetics too. This lenght is a standard for all cutterheads, or are there only the Astatic ? Thanks.
by studiorp
Tue Sep 16, 2008 2:37 pm
Forum: Secrets of the Lathe Trolls
Topic: lathe
Replies: 5
Views: 1717

Horizontal cutters, yes, for example I have seen on the book of Robert Morrison, that there were many cutter heads with horizontal mounting; for example the Astatic M-41 8 ohm, then the same too with 500 ohm; the Grampian B1-B; the famous RCA 11850C, the Fairchild with crystal elements; others Astat...
by studiorp
Tue Sep 16, 2008 4:44 am
Forum: Secrets of the Lathe Trolls
Topic: lathe
Replies: 5
Views: 1717

Oh yes, it is very particulary, but unfortunately there is no brand....
The uniques thing that I know of it is that there is a lead screw of 224 lpi, and can mount horizontal cuttingheads like Astatic, or others.
by studiorp
Mon Sep 15, 2008 5:40 pm
Forum: Circuits, schematics and manuals
Topic: Meumann VG66 Schematics Wanted
Replies: 0
Views: 1903

Meumann VG66 Schematics Wanted

Hey people, there is anyone that can do a scan of the NEUMANN VG66 amp ?

Thanks.
by studiorp
Sun Sep 14, 2008 5:42 am
Forum: Secrets of the Lathe Trolls
Topic: Diamond cutting stylus'z'zzz and PVC sources
Replies: 2
Views: 1106

Hello, you can try to see from mastercut.eu.
Andreas Bauer sent me months ago a pdf document with all prices of the discs and too diamond needles.
Send me your email adress, so I can send to you the document.[/url]
by studiorp
Wed Sep 10, 2008 5:26 am
Forum: Secrets of the Lathe Trolls
Topic: Presto 1-C
Replies: 2
Views: 1225

Which cutterheads with horizontal mounting are the better ?
Which brands ?

Thanks.
by studiorp
Mon Sep 08, 2008 4:04 pm
Forum: Classifieds & tip-offs
Topic: Grampian B1-B
Replies: 0
Views: 701

Grampian B1-B

There is anyone that sell a Grampian B1-B horizontal mounting cutterhead perhaps ?

Thanks.
by studiorp
Mon Sep 08, 2008 1:58 pm
Forum: Secrets of the Lathe Trolls
Topic: lathe
Replies: 5
Views: 1717

lathe

Hello people, there is anyone that know this lathe ? Here the images: http://i459.photobucket.com/albums/qq319/revox_photo/HPIM6946.jpg http://i459.photobucket.com/albums/qq319/revox_photo/HPIM6947.jpg http://i459.photobucket.com/albums/qq319/revox_photo/HPIM6948.jpg http://i459.photobucket.com/albu...
by studiorp
Mon Sep 08, 2008 1:04 pm
Forum: Secrets of the Lathe Trolls
Topic: Presto 1-C
Replies: 2
Views: 1225

Presto 1-C

Hey people, there is anyone that know if a Presto 1-C can be mounted on the lathe too in horizontal mode, or it is possible only verticallly ?

Thanks.
by studiorp
Mon Sep 08, 2008 1:01 pm
Forum: Secrets of the Lathe Trolls
Topic: Adding a tonearm to your lathe. 12 inches (305 mm) needed?
Replies: 10
Views: 6013

For me you can use a simple but good Lenco 75 tonearm.
In 70 years it was considered a transcription arm with the famous Lenco 75 turntable.
by studiorp
Tue Jul 15, 2008 4:36 pm
Forum: Secrets of the Lathe Trolls
Topic: 1800 rpm motor
Replies: 1
Views: 872

1800 rpm motor

Hey people, I have a question about the power of the lathe motor : an idler motor of 1800 rpm is strong enough to tollerate the cutting of vinyl ?
Thanks.
by studiorp
Fri Jun 27, 2008 7:48 am
Forum: Our Cutters and their work
Topic: tube 45 triode
Replies: 6
Views: 3953

You can try to mount on your Presto amp the 2A3 tubes.
This tubes works to 2.5 V voltage as 85.
by studiorp
Wed Jun 11, 2008 12:03 pm
Forum: Classifieds & tip-offs
Topic: japanese lacquer brand??
Replies: 8
Views: 2675

Oh yes, is the same thing.

See here :

http://www.protape.co.uk/products/cutting-houses/mdc.html
by studiorp
Sat May 24, 2008 4:01 am
Forum: Classifieds & tip-offs
Topic: japanese lacquer brand??
Replies: 8
Views: 2675

Oh yes, there is the MDC brand in Japan...
by studiorp
Sun May 11, 2008 4:43 pm
Forum: Our Cutters and their work
Topic: some questions about SC99 and VC200
Replies: 15
Views: 4143

ok, so this fact remember me a system that was used in the cassette tape decks of 70-80 years that mounted 3 head built in permalloy material. When I hear the sound just recorded a moment before, I can play a sound more clear than the input sound, this because permalloy load on the tape an extended ...
by studiorp
Sun May 11, 2008 4:16 pm
Forum: Our Cutters and their work
Topic: some questions about SC99 and VC200
Replies: 15
Views: 4143

you're probably listening the sound with reverse riaa and this is the cause because your sound is more clear compared to the original input sound.
by studiorp
Sat May 10, 2008 2:43 pm
Forum: Secrets of the Lathe Trolls
Topic: ASTATIC CRYSTAL CUTTER
Replies: 6
Views: 2795

Ok, so I could utilize a piezo bender or film ....