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Old 4th February 2003, 10:39 PM   #1
rafafredd is offline rafafredd
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Default DIY ribbon mic


After seeing this:


Ive been thinking of building my own ribbon mics...

Theres a ribbon microphone sowter transformer that may fit.

Anyone knows about the magnectic elements positions and wiring...
Anyway, anything about DIY ribbon microphones (Im quite sure its possible)...

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Old 4th February 2003, 11:21 PM   #2
EC8010 is offline EC8010  United Kingdom
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The step-up transformer is probably the least of your problems.

You need very thin aluminium foil. Traditionally, DIYers have obtained this from cigarette packet inner sleeves by dissolving the paper.

You need a very powerful magnet. Really powerful. No, I mean it. Really, really powerful. And sourcing that is probably the biggest problem. (Magnets salvaged from magnetrons are a possibility.)

The "Microphone Engineering Handbook" edited by Michael Gayford (ISBN 0-7506-1199-5) has a good section on ribbon design, but it's expensive.

It's probably easier to make a capacitor microphone and associated head amplifier...
The loudspeaker: The only commercial Hi-Fi item where a disproportionate part of the budget isn't spent on the box. And the one where it would make a difference...
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Old 5th February 2003, 02:57 AM   #3
psarin is offline psarin
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Default sounds like a good idea!

no pun intended...

you may want to check out the following set of links:


these guys do quite a bit of DIY cloning of the high-end gear. i've been toying with starting something in this vein too.

cheers -

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Old 18th January 2004, 07:17 PM   #4
wetty is offline wetty  United States
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Howdy, these might be of interest:


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Old 23rd January 2004, 05:45 PM   #5
marz.tv is offline marz.tv  Sweden
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I have a Beyer M260N with a dead ribbon. Tried different approaches on making a new ribbon, but I couldn't find the right thinness. If anyone knows a source for that, I'm interested too...
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Old 8th September 2009, 05:49 AM   #6
drummerguy is offline drummerguy
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you can get 4 micron aluminum ribbon in small amounts here:
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Old 14th September 2009, 10:37 AM   #7
doomy is offline doomy  Norway
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Originally Posted by EC8010 View Post
You need a very powerful magnet. Really powerful. No, I mean it. Really, really powerful. And sourcing that is probably the biggest problem. (Magnets salvaged from magnetrons are a possibility.)
How about magnets from harddisks? Look at my attached picture.
They use a strong magnet to control the reading head.

I reccommend neodyne magnets, they're the strongest one,
they're commonly availble, the bigger one are usually sold at sites
related to DIY windmills. Please note that they're fragile, so they're
usually coated to avoid parts/bits falling of.

(No, I'm not interested into building a microphone!)
Attached Images
File Type: jpg hddmagnet.jpg (445.6 KB, 173 views)
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