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Author Topic: Portable phantom power supply for Audio-Technica BP4025  (Read 772 times)

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Offline gihl

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Portable phantom power supply for Audio-Technica BP4025
« on: February 28, 2022, 05:21:52 PM »
Hello,
I want to connect the Audio-Technica BP4025 microphone to Sony a7R's microphone jack without a dedicated recorder.
This microphone requires phantom power, so I'm looking for a portable phantom power supply.

- https://bhpho.to/3tB3eOv

I found the Denecke PS-2, but the output cable is not 3.5mm so I need a conversion adapter cable. Is it safe to modify by myself?
Or, is there a portable phantom power supply that you can recommend?
I would really appreciate your advice.
Roland R-05, AT822

Offline DavidPuddy

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Re: Portable phantom power supply for Audio-Technica BP4025
« Reply #1 on: February 28, 2022, 06:27:32 PM »
Yes as long as you have the soldering skills, it's perfectly fine to put on a 3.5mm plug.

Offline gihl

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Re: Portable phantom power supply for Audio-Technica BP4025
« Reply #2 on: March 01, 2022, 12:18:31 PM »
Thanks for the input, appreciated.  :)
Roland R-05, AT822

Offline lsd2525

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Re: Portable phantom power supply for Audio-Technica BP4025
« Reply #3 on: March 01, 2022, 01:38:13 PM »
I use this for a different application, but it would work for yours:

https://www.bhphotovideo.com/c/product/286756-REG/Hosa_Technology_CYX_405F_Stereo_Mini_Angled_Male.html

I would suggest considering picking up something like a Tascam DR60. B & H has for $199 or I'm sure there are plenty of used ones out there. It's a standalone recorder, but provides phantom, has assignable camera outs via 3.5", plus you have 3.5" inputs should you ever need two more tracks. Runs forever on a USB battery.

I've done a ton of video where I had my mics on the XLR inputs, SBD on the 1/8" in, and send an on-the-fly matrix out to my video camera.
Mics: SKM184's; ADK A51s; AT4041; Line CM3; Superlux S502; CK91 active w/homebrew BB; AT853; Naiant X-X; Nak 300's
Recorders: M10; DR-60D; DR-701D

Offline gihl

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Re: Portable phantom power supply for Audio-Technica BP4025
« Reply #4 on: March 02, 2022, 04:36:24 PM »
Thanks again for the detailed explanation. :)
Roland R-05, AT822

Offline DavidPuddy

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Re: Portable phantom power supply for Audio-Technica BP4025
« Reply #5 on: March 02, 2022, 05:00:04 PM »
I agree with LSD, the preamps in your camera are guaranteed to be much worse in quality than the Zoom recorder. I would spend the money on a dedicated recorder with XLR for the preamp quality alone.

Offline mnm207

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Re: Portable phantom power supply for Audio-Technica BP4025
« Reply #6 on: March 02, 2022, 08:03:38 PM »
You might also consider a Sound Devices MixPre (the 2 channel mixer, not the current recorders) or Shure FP-24. It's not much larger than the PS-2, runs on AA batteries, provides phantom, and has good preamps. Its 1/8" tape out will easily feed your A7R. A used one will cost a bit more than the PS-2, but the Mixpre is far more versatile.
// Sony ECM-MS5 | Naiant XX | LOM Usi & mikroUsi | Ambient ATM216 // Shure FP24 // Sound Devices Mixpre-3 | Sony PCM-D100 | Sony PCM-M10

Offline gihl

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Re: Portable phantom power supply for Audio-Technica BP4025
« Reply #7 on: March 03, 2022, 05:31:31 AM »
Thanks. I'm considering the Zoom F3.  :)
Roland R-05, AT822

 

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