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There's a way to make a passive battery box that could bias 3 electret capsules and has the "mono" capsule feeding both the L and R outputs, but it would have a bit of loss from a resistive mix

You are describing a mixer. There are small ones out there that would accomplish this. And as has been mentioned, take the two ambience capsules pan one hard right one hard left and mix the vocal in

Merging two omnis down to mono might not sound that great. They generally don't downmix to mono very nicely. J [email protected]> wrote:

Hi all, I would like to create a little circuit box that merges the signals of two ambient mics (L/R) with a single vocal mic (M) before entering the preamps. So I can record stereo ambient and vocal

I've recently seen the schematic for the Alctron MA-1. However, there are a couple of features that aren't clear and I hope to get some help from the group. On the input side, after XLR1, there are

Aah, OK! So the buzz is due to teh fact that the capsules are not properly shielded. The shield must extend as far as possible to cover most of the capsule. Ideally, even the front of the capsule

They work great except for the buzzing. Im just using a simple p48 circuit so 1 3.3uF cap and a 100k resistor on the xlr plug.

The one on the left is a 3-wire capsule, when the one on the right is a 2-wire.Depending on the circuit, they may be incompatible. Apart from the buzz, does it work?

Maybe this is helpful. Ive attached both circuits of the datasheets of the capsules. On the left is the JLI2590a and on the right is the dr2501 I used. They look a bit different. Should i adjust the

The capsules themselves are properly isolated from one another. They also look the same as the originals and i doubt they would go through the steps to make a fake of the tsb2590s. I think they just

I use the shield but only connect it to ground at the XLR. The capsules float at potential above ground and each one is a bit different. They need to be insulated from each other and handling. Also

Sorry I Just came across your Message now. Ive got them installed but having a bit of a problem with them as I described in another post :/ If im not able to fix the issue id gladly come back to your

So ive built an Ambi-Alice based on the Instructable by Jules and used em272 capsules. I noticed my mistake (that these are omni and not cardiod capsules) and ordered some TSB2590 knockoffs off of

OK thanks. My document was with a 147k resistor, which implied modifying the preamp (deleting one of the phantom resistors).

This is what I have. In this particular instance I'm doubling up the capsules but for a single capsule I'd have used a resistor of about 20k. I think the resistor values should maybe be slightly

There's some confusion about what a "simplestp48" is. Can you post a schemo?

Ricardo, I sent emails to your email address. Hope you received the two posts. Regards, zephyrmic

Thank you Jerry, I want to use PUI5024 capsule with Evo4 Audio interface, and the xlr output voltage is 47.6V. I thought 8.5v output voltage is best for long term use/recording and maximum SN ratio,

Yes, working ok with my standard Zoom F3. I'll check the setup tomorrow though as you have me doubting myself now....... just cautious as I can't find any references online anymore. From memory the

Are you sure that SimplestP48 works with an unmodified preamp?