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Am 24.12.23 um 17:20 schrieb Gerard Lardner via groups.io: They've just closed their last remaining shops in Germany and announced they will do only B2B in the future. I've boycotted them for the

And there are some smaller suppliers, mostly in the west of Ireland; but prices can be high for smaller (non-industrial quantities and through-hole components.?Sent from my Galaxy

Oh yes, I have used Conrad in the past. No issues.Also, I sometimes buy from UK or US suppliers and use Addresspal for delivery.? Addresspal is much cheaper than the usual couriers, quick, and handle

Hi D. , I'm in Bray, near Dublin. I useRadionics (Irish division or outlet of RS Components)CPCFarnell (.ie website, prices in euro)Mouser (.ie website, prices in euro)Digi-Key (.ie website, prices in

Conrad Mouser Farnell RS Smaller outlets like Gotron. Eoo.

RS is a good supplier but does only B2B. Digikey is not bad but often there are hidden costs. I would suggest trying Reichelt, Würth or Conrad.

I believe mouser has an EU presence Best Regards, Jules Ryckebusch

Hello Cork! I'm not so sure about capsules, but Farnell operate all over the EU so they should sort you out in the south. Have you spoken to Nick at micbooster? They'll ship and I'm not sure what the

Greetings from Cork, and happy xmas to all. I'm a complete noob and just getting started with some very basic (very very basic) builds. Can any members recommend online stores to buy electronic

Slightly off topic, but I discovered an interesting observation on this polarity issue, with my RF bias mic experiments... I built an LDC mic based on my notes here: https://www.amx.jp137.com? and

Something about capacitors and electrets. As i see it. For a normal capacitor, 2 plates with an insulator in between, the physical law says Charge is the product of capacitance times voltage.

Some older broadcast mics, maybe. Pin 2 hot (positive) is the AES standard for XLR. This forum thread ( https://forums.prosoundweb.com/index.php?topic=100303.0 ) seems to point at 1990 when there was

I’m building a few more and will do one of each and test them big time Best Regards, Jules Ryckebusch

Casey: I think that there is 3 votes against 2 for capsule + to pin 3 XLR. Not so far 60 % agree versus 40 % against pin 3 XLR to + on capsule. I just wonder how many mics in the USA that are still

Henry- Polarity is certainly audible. But for that to be the case the audio waveforms need to be asymmetrical and the reproduction environment must have minimal reverberation. Many years ago I had

Sorry for being dense, but I wanted to seek some clarity on the SP48 polarity question. It sounds like Jules' SP48 mics are of normal conventional polarity with capsule + to pin 3, and all ~10 of mine

I've found the design from Silicon Chip magazine august 2011. I put it in files as: "Electronic Stethoscope from SC 2011-08 Aug.pdf". Cheers, Martin-K -- Hard werken is niet genoeg; dat doen mieren

The "kill" switch does not need to be on teh stethoscope. It is better put in line with the cable or even replaced by a footswich.

A push to listen button would be a small help but a lot of the handling noise is from the pipe being nudged if the patient moves (which they always seem to do). The button would need to be very light

regarding handling noise, would a simple, low profile, push button on top of the stethoscope pick up be doable? Once the pick up is placed in the right position, press the button and hear sound.