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Hey there, small correction – Geofón is not piezo based, but it has a geophone element – coil suspended on springs around a magnetic core. I would also try it for this project :) Regards, Jonas

At the end of his recent video <https://www.youtube.com/watch?v=mEC6PM97IRI> Benn Jordan mentioned using (light) interferometry and high speed cameras to make an ultra-sensitive non-contact contact

Under the heading “crazy ideas” I have an experimental microphone to offer. It is based on 7 AOM-5024L-HD-R capsules. SNR is around 87 dB. Unfortunately, I don't have any bamboo growing here. Here

LOM Geofon is a magnetic piezo mic that could be attached to a steel plate or a stake driven into the ground to pick up what's happening beneath the soil. I used one of these very sensitive vibration

Hi all Recently I took a night recording at a bamboo forest where bamboo shoots were sprouting from the ground all over the place. This type of bamboo shoot can grow up to 110 cm per day (5 cm/h). No

Hi Damian Recently I ran across a Canadian blimp with missing mic holders and made some Blimpxperiments?( https://photos.app.goo.gl/vrz832RsPdmxJgLN9 ). In the end I used the bamboo Pui's, based on

Hi there, that would be a Beyer M64N. https://coutant.org/beyer/beyer.pdf Cheers [email protected]> wrote:

Thanks for the fast replys. I've ordered a kleintuchel connector. From the pics on ebay, I thought it was an XLR, so I have to wait till the connector arrives to test it. Am Mi., 14. Mai 2025 um 15:14

Hi Ralf, I know, I just wanted to let others know about the bass response. And as for the connector, it is a klein tuchel connector. You can either build an adapter or purchase one on ebay. Here is an

Am 14.05.25 um 13:44 schrieb Germar Tischler via groups.io: That's fully intended. They were often used on goosenecks for station announcements in busses and tramways with the usual rumbling of

Hi, this is the mic: https://colepicksvintage.com/products/beyerdynamic-m64n-dynamic-microphone I have two, they are interesting, but have very little low end. Kind regards, Germar Tischler

Does anybody know what mic this is? https://imgur.com/a/pgMpGBr It is very small, has a hirschmann din three pole jack. No markings.

I have built a few sets of simpleP48 mics using Primo EM172 (matched pairs) or PUI AOM5024 electret capsules. My capacitors were little electrolytics, often salvaged from discarded electronics; my

I use these: *Resistor:* PR9372-GP1/2 https://www.prpinc.com/pr9372-series *Capacitor:* Nichicon FW-series

What Do You Think of These Components for an EM272 P48 Build? I’m putting together a P48 phantom power circuit for the EM272 mic and want top-notch audio quality. Here’s what I’m thinking: ?

The other things that may be going on are secondary virtual ground conductance passes that affect the two 47K resistors, the transformer, i don't know exactly. The virtual ground works well with AC

" I have successfully used the VSSOP version. I have the PCBs assembled (PCBWay) and have not had issues. I am also using SMD 1G and 500M resistors. I feel like there is something else going on here."

"I'm guessing your friend was probably successful with his OPA1642 guard ring using an SOIC package?" Indeed, that was an SOIC. But the same guard ring design can also be applied when using a VSSOP

An update on this circuit. I finally had a clear day to prototype the left half of the circuit. I realised that an AD8220 was just an AD8226 with an extra FET stage in the input. Seeing as I've

I have successfully used the VSSOP version. I have the PCBs assembled (PCBWay) and have not had issues. I am also using SMD 1G and 500M resistors. I feel like there is something else going on here.