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Author Topic: building a microphone 9v battery power supply for beginners  (Read 186 times)

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Offline gazatthebop

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building a microphone 9v battery power supply for beginners
« on: November 19, 2020, 02:59:36 PM »
https://www.church-audio.com/shop/battery-boxes/ugly-battery-box/

Rather than spend money i don't have can anyone explain how to make one of these (CA11 9Vbattery power supply). It looks simple enough!

Offline ycoop

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Mics: Avantone CK-1s, AT853 c+o
Pres: CA9100
Recorders: DR-60d mkII, DR-2d

Offline jerryfreak

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Re: building a microphone 9v battery power supply for beginners
« Reply #2 on: November 19, 2020, 05:30:21 PM »
depends on 2-wire or 3-wire mic of course, the latter being simpler. in general both require a voltage source,a current-limiting resistor, and a smoothing capacitor

a 2-wire design needs a decoupling capacitor in line
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Offline gazatthebop

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Re: building a microphone 9v battery power supply for beginners
« Reply #3 on: November 20, 2020, 12:05:59 PM »
thanks for replies

Offline DavidPuddy

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Re: building a microphone 9v battery power supply for beginners
« Reply #4 on: November 20, 2020, 12:49:24 PM »
This should help:

http://forums.sonyinsider.com/topic/14343-how-to-build-a-stereo-microphone-and-battery-box/

This is great, thanks. I just ordered the parts from Digikey to build a few of these in altoids tins. I will be able to use my MKE2 mics again, finally...
« Last Edit: November 20, 2020, 04:00:32 PM by DavidPuddy »
Mics: nbobs/480+ck61/62/63; C568EB; MKE2
Recorders: MP6; A10

 

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