Wiring for Primo EM-265 electret condenser microphone capsule

[NeverEtched]

Hi
Thanks for looking at this post.
Some while ago I bought two EM-265 Condenser mike capsules (https://www.ebay.co.uk/itm/282552371896), and a selection of capacitors and resistors to match the recommended circuit.
I can't find my notes, and I can't find what appears to be a reliable circuit diagram online.
Before I buy two different mikes (with clear instructions), I wondered if anyone can help me out with the correct values and connections for these EM-265s.
Cheers!

[dobsonr741]

What are you wiring up to? The recommended 2K bias resistor is to 1.5V. The capacitor depends on your input specs. See the dataset: https://primomic.com/pdf/EM265.pdf

[NeverEtched]

Fantastic!
Embarrassed I didn't find this myself (when you did pretty-much instantly). Thank you very much. Excellent.

Immediate use I'm thinking of plugging them into the mike input of an Olympus WS-311m digital voice recorder.

A compatible Olympus external mike (electret condenser ME-51S) has an output impedance of 2.2k Ohms. Its specs also mention 'Power Supply: Plug-in-power system (1.5V - 10V)': I've measured a voltage of 2.2v (-ve ground, 2.2v hot) per channel on the recorder, so I'm wondering whether the resistor & capacitor are internal to the recorder too. Maybe the easiest way is just to wire the capsule directly to the recorder's input jack and see what happens?

I'd also like to use them with a basic microphone mixer (https://amzn.eu/d/besQr9n), but have no detailed specs for that. I've used the mixer ok with commercial electret condenser mikes. I assume I'd need the power/resistor/capacitor for the EM-265s. Perhaps there's a 'default' capacitor value I could try? Or I suppose I could simply buy a couple of other mikes which come with instructions...

Thanks for the help. Much appreciated!

[dobsonr741]

10uF.  Some good read here: https://sound-au.com/articles/mic-electret.htm

[NeverEtched]

I'll use a 10uF then.
Thank you for that, and the linked article.
Much appreciated.