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What type of dielectric and what voltage rating? I have used 10uF 50V X7R in some low voltage circuits (less than 5V DC across them). I couldn’t find a fault with the audio. The higher the

I've started using 22uF MLCC SMD caps for my output coupling capacitors. I know some of the physics behind them from the capacitance lowers as voltage across them increases. I have not had issues and

Thanks Jules that's great to know. I ordered two so still have one pristine, which now lives in bubble wrap in a pelicase ? As an aside for anyone external to the US JLI will ship at more

It should work. Bridge the crack on one side with solder. I have a cracked on I use for testing Best Regards, Jules Ryckebusch

Hi all, I finally got my hands on some PC cylinders, unfortunately one of them has a crack in it. Does that render it completely useless does anyone know? I used a 23g needle to inject some epoxy

Photo of the circuit didn't make it to email, but the link works, thanks. When it comes to tearing down the capsule, I've found that gently peeling away the outer skin from the front edge works

I think I've figured it out: pre-CORE it was probably a topology like the one from the Audio-Technica patent ( https://patents.google.com/patent/US10382852B2/en ) (which would be later than DPA doing

Yeah, it doesn't quite make sense, but what else could it be?? This is about as bare a circuit as one would find. Are you in the USA?? I'd be happy to mail that capsule to you for further

The reason I am puzzled by the 33k on the DPA is not the value, but where it's connected. Summarized by Sanken here ( https://sanken-mic.com/en/qanda/index.cfm/4.19 ) , there are two topologies for

This is just for my simulations, but does anyone have the detailed specifications of a dynamic mic? Like Theile-Small, only backward.

Hi Scott, I have a Mooshi meter too. It's very useful, especially around cars, if you want to measure something while driving. The iOS app went missing for a while. It even got deleted on my phone.

Hi Sergio, I think I included the word "assume" somewhere when talking about the FET-shaped 3-pin package in that mic. It's entirely possible there's more in that package, especially since there

@Scott: Even ignoring the Sony 7K complication, I don't think your diagram is correct. The swing seen at the drain ("to audio input") would be some 20 dB lower than the swing seen at the source,

Since Vicki Powys, on Naturerecodists group, pointed out that her head... ummm, no...? that the artificial head she experimented with showed a frequency peak around 4 kHz (same thing reported

Firstly, I apologize, but I'm too lazy to start a new thread and write an entire introduction covering what was already presented here regarding DPA CORE. I just want to add what I believe is the DPA

Actually, biasing the FET for having half the B+ voltage on the drain is not necessarily the best operating point in terms of output drive and headroom, which are improved by increasing

Scott says -- I relish this sort of discussion. . . . I says -- OUCH !! You got me with that one! I surrender. :-( ( Anonymous)

I relish this sort of discussion. -Scott ---- Scott Helmke ---- scott@... ---- (734) 604-9340 ---- "I have ceased distinguishing between the religious and the secular, for everything is

"Components not compliments" ... um ... condiments? :-) (Anonymous)

thanks scott!