I have had problems with PPA's in the past (Len happily replaced them promptly), but I've not heard that one before. Have you tried it with different mics plugged in?

    Dave

On Apr 16 2011, Jascha Narveson wrote:


Hi, surround list -

Thanks for all of your suggestions about windscreens. I decided to try out a heinously over-priced Rycote "baby ball gag" with extra furry. Before I do *that*, though, I have a question for any TetraMic or Sound Devices 788T users out there - Len's on vacation, and can't be reached.

The question:

I just rented the 788T for the weekend, and I just finished reading through the manual and setting it up with the TetraMic in my apartment. All seems to be going well, except for the following noise that sounds phantom-power related when I start recording - it happens about 12 seconds in and then not again. Here's what it sounds like:

http://www.jaschanarveson.com/noise.mp3

Ugly, right?

Here's how I have things set up:

TetraMic -> breakout cables -> the four Phantom Power Adapters, in the flat "on" position -> XLR inputs 1-4 on the 788T

The four XLR inputs are routed to tracks A, B, C, and D in the 788T, and 48V phantom power is active on each channel.

I fear I'm doing something terribly wrong, as I've not heard this sound before.

Any help would be greatly appreciated!

cheers,

jascha


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