R/E/P Community
R/E/P => R/E/P Archives => Klaus Heyne's Mic Lab Stickies => Topic started by: Klaus Heyne on February 02, 2009, 04:31:14 PM
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Step right up and post your schematics, whether factory-issued or hand-drawn, here;
Please label them clearly (for example: "AKG C24 MK II"...
When perusing any of this material posted here, no claims of responsibility are made by the poster, moderator, or host company of this site as to accuracy or potentially catastrophic mic (or human health) failure.
If you need circuit info that is officially sanctioned and blessed by the mic's manufacturer, approach the manufacturer (or its successor) directly.
And always remember when working on high voltages inside mics and power supplies- one hand works, and the other hand stays behind your back!
Now enlighten the community and post your treasures!
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Great idea Klaus!
Here we go:
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I recently stumbled on Corey Eng's "Pro Audio Repair Site", on which there's a useful collection of schematics for AKG ,Neumann, and Telefunken. I hadn't seen the C12 interconnection diagram before.
http://www.geocities.com/siliconvalley/peaks/5212/start.htm
Corey used to work for AKG in USA.
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Originally from Studio Sound July 1984, perhaps this was a reprint from RE/P or MIX.Interesting Neumann history but with serious paydirt about capsule manufacture and test on page 4. I've scanned rather poor copies from the '90s.
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Overlooked when I made the C28 scans...
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Schematic for the AKG C60 and the N60A power supply.
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Schematic for AKG C12a and N12a psu.
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AKG C414 B-TL schematic
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Here are all the U67 schematics I got (from Neumann and the net) when I was searching for the one corresponding to my mic.
you will find here in the following order:
-U67u-00-00-00S
-U67u-00-00-03S
-U67 Telefunken
-U67 930-01
-NU67u-930-00
-NU67 Telefunken
-NU67u-930-06
-NU67-930-06
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can be found here.
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P.S.:
For download of the brochure's pages in full resolution, first click on the "Herunterladen"-button above the selected picture, and then "Foto herunterladen"
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If anyone has really detailed explanations of circuits, I'd love to see them on this thread too, especially for the often discussed circuits such as the U87, I'd really like to read an explanation that goes through and explains every part of the circuit in detail.
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Here is a re-up of the Sony C38B schematic,
Cheers,
Gwyn
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hi
Who can advise me?:(
I need to Akg C414 XlS schematics
thx