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Author Topic: Microphone Schematics and Circuit Descriptions  (Read 14003 times)

Offline Klaus Heyne

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Microphone Schematics and Circuit Descriptions
« on: February 02, 2009, 04:31:14 pm »
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!
Klaus Heyne
German Masterworks
www.GermanMasterworks.com

Offline Markus Sauschlager

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Telefunken ELA M260/M261 schematic
« Reply #1 on: February 02, 2009, 09:39:04 pm »
Great idea Klaus!

Here we go:

Markus Sauschlager

- Schauma amal, dann werma schon sehen... -

"...and do not forget that marketing is b.s. with a sugar coating." - O. Archut, 06 March 2009

Offline Markus Sauschlager

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Telefunken ELA M250E/M251E schematic
« Reply #2 on: February 02, 2009, 09:40:13 pm »
Markus Sauschlager

- Schauma amal, dann werma schon sehen... -

"...and do not forget that marketing is b.s. with a sugar coating." - O. Archut, 06 March 2009

Offline Markus Sauschlager

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AKG C24 (MK1) schematic
« Reply #3 on: February 02, 2009, 09:42:25 pm »
Markus Sauschlager

- Schauma amal, dann werma schon sehen... -

"...and do not forget that marketing is b.s. with a sugar coating." - O. Archut, 06 March 2009

Offline Markus Sauschlager

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AKG C414comb schematic
« Reply #4 on: February 02, 2009, 09:44:24 pm »
Markus Sauschlager

- Schauma amal, dann werma schon sehen... -

"...and do not forget that marketing is b.s. with a sugar coating." - O. Archut, 06 March 2009

Offline studiochap

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AKG Schematics Collection
« Reply #5 on: February 02, 2009, 09:49:14 pm »
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.
Gwyn Mathias
Odessa Wharf Studios ( now down the tubes after 14yrs...RIP )
Pro Audio Survivor...Smile

"What,Me Worry?" Alfred E. Neumann (...or was it Newmann?Smile

Electrical Theory by Joseph Lucas (inventor of the Self-Dimming Headlamp):
"Smoke is the thing that makes electrical circuits work; we know this to be true because every time one lets the smoke out of the electrical system, it stops working"


Offline studiochap

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The Neumann Story - Ernst Weiss -Studio Sound Part 1
« Reply #6 on: February 03, 2009, 01:31:34 am »
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.
index.php/fa/11184/0/
Gwyn Mathias
Odessa Wharf Studios ( now down the tubes after 14yrs...RIP )
Pro Audio Survivor...Smile

"What,Me Worry?" Alfred E. Neumann (...or was it Newmann?Smile

Electrical Theory by Joseph Lucas (inventor of the Self-Dimming Headlamp):
"Smoke is the thing that makes electrical circuits work; we know this to be true because every time one lets the smoke out of the electrical system, it stops working"


Offline studiochap

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Re: The Neumann Story - Ernst Weiss -Studio Sound Part 2
« Reply #7 on: February 03, 2009, 01:34:45 am »
index.php/fa/11185/0/
Gwyn Mathias
Odessa Wharf Studios ( now down the tubes after 14yrs...RIP )
Pro Audio Survivor...Smile

"What,Me Worry?" Alfred E. Neumann (...or was it Newmann?Smile

Electrical Theory by Joseph Lucas (inventor of the Self-Dimming Headlamp):
"Smoke is the thing that makes electrical circuits work; we know this to be true because every time one lets the smoke out of the electrical system, it stops working"


Offline studiochap

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Re: The Neumann Story - Ernst Weiss -Studio Sound Part 3
« Reply #8 on: February 03, 2009, 01:36:42 am »
index.php/fa/11186/0/
Gwyn Mathias
Odessa Wharf Studios ( now down the tubes after 14yrs...RIP )
Pro Audio Survivor...Smile

"What,Me Worry?" Alfred E. Neumann (...or was it Newmann?Smile

Electrical Theory by Joseph Lucas (inventor of the Self-Dimming Headlamp):
"Smoke is the thing that makes electrical circuits work; we know this to be true because every time one lets the smoke out of the electrical system, it stops working"


Offline studiochap

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Re: The Neumann Story - Ernst Weiss -Studio Sound Part 4
« Reply #9 on: February 03, 2009, 01:40:21 am »
index.php/fa/11187/0/
Gwyn Mathias
Odessa Wharf Studios ( now down the tubes after 14yrs...RIP )
Pro Audio Survivor...Smile

"What,Me Worry?" Alfred E. Neumann (...or was it Newmann?Smile

Electrical Theory by Joseph Lucas (inventor of the Self-Dimming Headlamp):
"Smoke is the thing that makes electrical circuits work; we know this to be true because every time one lets the smoke out of the electrical system, it stops working"


Offline matucha

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  • Posts: 304
AKG C28
« Reply #10 on: February 03, 2009, 06:43:09 pm »
http://recforums.prosoundweb.com/index.php/fa/11150/1681/

http://recforums.prosoundweb.com/index.php/fa/11152/0/1681/

http://recforums.prosoundweb.com/index.php/fa/11153/1681/

http://recforums.prosoundweb.com/index.php/fa/11155/0/1681/

http://recforums.prosoundweb.com/index.php/fa/11156/0/1681/

http://recforums.prosoundweb.com/index.php/fa/11157/0/1681/

http://recforums.prosoundweb.com/index.php/fa/11158/0/1681/

http://recforums.prosoundweb.com/index.php/fa/11159/0/1681/

Offline studiochap

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Re: AKG C28
« Reply #11 on: February 03, 2009, 09:06:27 pm »
Overlooked when I made the C28 scans...
index.php/fa/11202/0/
Gwyn Mathias
Odessa Wharf Studios ( now down the tubes after 14yrs...RIP )
Pro Audio Survivor...Smile

"What,Me Worry?" Alfred E. Neumann (...or was it Newmann?Smile

Electrical Theory by Joseph Lucas (inventor of the Self-Dimming Headlamp):
"Smoke is the thing that makes electrical circuits work; we know this to be true because every time one lets the smoke out of the electrical system, it stops working"


Offline Michael Walters

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Re: Microphone Schematics and Circuit Descriptions
« Reply #12 on: February 04, 2009, 01:56:41 am »
Schematic for the AKG C60 and the N60A power supply.

index.php/fa/11204/0/
"An object at rest CANNOT BE STOPPED!!!"

Offline studiochap

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Schematic for AKG C12a and N12a psu.
« Reply #13 on: February 04, 2009, 01:00:12 pm »
Schematic for AKG C12a and N12a psu.index.php/fa/11210/0/
Gwyn Mathias
Odessa Wharf Studios ( now down the tubes after 14yrs...RIP )
Pro Audio Survivor...Smile

"What,Me Worry?" Alfred E. Neumann (...or was it Newmann?Smile

Electrical Theory by Joseph Lucas (inventor of the Self-Dimming Headlamp):
"Smoke is the thing that makes electrical circuits work; we know this to be true because every time one lets the smoke out of the electrical system, it stops working"


Offline studiochap

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  • Posts: 177
AKG C414 B-TL schematic
« Reply #14 on: February 04, 2009, 01:07:23 pm »
AKG C414 B-TL schematicindex.php/fa/11211/0/
Gwyn Mathias
Odessa Wharf Studios ( now down the tubes after 14yrs...RIP )
Pro Audio Survivor...Smile

"What,Me Worry?" Alfred E. Neumann (...or was it Newmann?Smile

Electrical Theory by Joseph Lucas (inventor of the Self-Dimming Headlamp):
"Smoke is the thing that makes electrical circuits work; we know this to be true because every time one lets the smoke out of the electrical system, it stops working"