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This is a fit for something I want to make. I want to make a mic for tracking wildlife. I want to make it so you can hear the faintest, furthest away sounds. Anotherwords, I want to crank the gain up

OK - the whole point for me is to help people play wih microphone stuff and make their own inexpensive, probably better versions of stupidly expensive microphone products, besides I'm so bored making

Bob, I couldn't agree with you more about "A collaborative design would be a great inauguration of the new group." I was here a long time ago and dropped out. I am constantly pestered by steath mic

12.7mm is 1/2". We can look at that. We can make anything makeable, HOWEVER 6mm or 9.7mm is what we run all day, every day. That is where it is realtively easy to slip in something special or

The BSE's with the NS preamp chip in them are OK for the big volume aps like cell phones. I can put them in ECM's but have to ask myself, why? Eventually NS or someone will make these with good specs,

umashankar mantravadi wrote: Yeah, I'd like them for a DSP based DIY Ambisonic mic and the fig 8 for a M/S mic. For the M/S I could live with back to back cardiods for S but its more circuitry. The

For my applications I agree a larger diaphragm of 1/2" would be great and going much larger one starts to worry about condensation and humidity in outdoor recordings. There is a growing number of

i would like to see a capsule without the fet. that should make it possible for many more design ideas - a low noise fet opamp for instance, bootstrapped, might work. umashankar

mstrong82 wrote: Further thoughts: while the default configuration probably should remain common source, it would be nice if the design had the modification to two wire source follower topography in

certainly. i too would be interested in half a dozen half inch cardioids to build some directional mikes. umashankar _________________________________________________________________ Sports buff? This

the rf mic circuit is floating on the net - it is primarily of the sennheiser 405 mic. i have it on my files but i do not remember where i got it from. i suppose you could take a regulation electret,

mstrong82 wrote: What an interesting offer! Personally I'd be interested in some with larger diaphragms, say 1/2", to increase the SNR above the molecular shot noise and in directional models of the

mstrong82 wrote: Something with pre-amplifiers maybe? I have some Ole Wolff microphones on desk at moment and testing them for one rather specific applications. As I don't have panasonic WM60 in lab,

If there is enough interest in having ECM manufacture a replacement for the WN60/61 capsule. Then how about manufacturing a capsule that could be used in a RF mic? The capsule would be the capacitor

We make many kinds of ECM's It's time the WM-60/61 had some competition. If everyone can agree on what such a device ought to be, I'll run some, pass them out and you guys can see what you think.

This is true, however I have customers that have been specifing that I make them ECM's with no FET's for years. In my customer's applications they are operating in strong RF fields (radar) and they

(i.e., from We got it covered. Macrohenry is control for ownership and he has listed me as a moderator. We both have active the "delete group" key as well as other functions. If Mac wishes to add a

In "Files"->"Schematics", I've upploaded a PDF describing how to connect a modified Panasonic capsule to a balanced input (or cabel). I've built it myself, but haven't got time for testing it. I will

It's actually very simpel. After taking a look inside a few dynamic microphones, I bougt a dynamic capsule and wired the capsule between hot(2) and cold(3). It is a bit sensitive to mechanical noise.

That makes sense to me. I think it might be a good idea to just post a notice on the old page from time to time so that people can find this one easily. I suggest you make someone else and "owner" of