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I have no experience with the NT1A and the proposed capsule. So I cannot be of any help here. I would guess that screw hole locations and maybe capsule thickness are items to check before purchasing

Hi Jan & James Many thanks for your suggestions! I threw it into the washing machine again and am now letting it dry. The coin laundry's nearby also have very effective shoe dryers.? Should I try

"Quick test showed high signal on lowest setting in DR-70D, knob on "twelve o'clock". Plenty gain left to use." Hmmm.... Got me thinking that the signal might be too hot for a train...

__________________________________________________________ Serving Suggestion: I have used silica packs to dry stuff out - especially camera gear. You might consider accumulating multiple packs

Can't complain. I just put together an OPIC ( https://opic.jp137.com/index-ldc.html ) circuit (in a BM800 body)? and connected one of these: Works like a charm. Quick test showed high signal on

From an earlier post, where you measured the voltages around the capsule during working and non working periods, there seemed nothing wrong. That would have been the area where I'd expect moisture to

I somehow have a bad feeling about the capsule connection. The red one in particular seems old, brittle and slightly bent. I checked the cable for breaks with the DMM, but unfortunately could not find

Hi Henry That's what I was interested in. Whether the meter behaves like a digital one in terms of input resistance or not. Many thanks! I opened it carefully and took another two screenshots from

Nice options, but much lower output than a standard piezo disc. Cancsooundok however. Op za 2 nov 2024 10:12 schreef pmfalcman via groups.io <pmfalcman= [email protected]>:

Please keep this on the forum, Henry & Heinz.? This whodunnit story is becoming curiouser & and curiouser. My $0.02 is simply that if it is the capsule, it will be VERY noisy long before it stops

What a lovely old meter! Japanese? As used by technicians during WW2? It's essentially a 1mA meter with series resistors selected by the voltage range switch, so that at the full scale voltage, 1mA of

" I'll see your vest and raise you a hard hat." And I'll wave you back, mate. ;) " I used to joke how if you put on a hard hat, hi-viz vest, steel toe boots, and carry a clipboard, you could probably

Hi Henry. Thank you for your detailed answer! You pointed it out very clear that my meter can’t measure the voltage across the capsule with any accuracy and why. Many thanks! The meter is like an

Ha! Funny you should mention the hi-viz vest. I'll see your vest and raise you a hard hat. I used to work at an engine plant and had to go into construction zones regularly as part of the new model

I personally tested many electret capsules and if you don't need to listen to very high frequencies then EM272 easily reach 60kHz with a good sensitivity Iv

Not quite.? Analogue MEMs mics - like the one I referenced to - are unbalanced devices. I use the circuit here to interface a MEMS capsule with a phantom powered balanced mic input, to record bat

Hi Heinz, Troubleshooting electronics is a topic of interest to any mic builder. How to interpret your meter test result using Ohm's law: Battery measured directly = 6.47V Measured with .542M in

These are not microphones. They are just inductivecoils that pick the radiated magnetism.

Can MEMs be powered in a similar way to the "Simple P48"? [email protected]> wrote:

Hmmm... a guy named CASEY talking about trains ... yeah, that works !! :-) What about a contact microphone like we used to use with telephone handsets? Or a past-on guitar or instrument pickup