Re: [LAU] sortof OT -- ART tube pac preamp and compressor noisy?

From: James Stone <jamesmstone@email-addr-hidden>
Date: Mon Aug 12 2013 - 20:32:00 EEST

On Aug 12, 2013 4:05 PM, "Rusty Perez" <rustys.lists@email-addr-hidden> wrote:
>
> Hi folks,
> This is related to recording, and my recordings are made on linux, so,
> it is tangential to all of these lists. :-)
>
> I own an ART tube pac, which is a preamp compressor combo unit.
> It is the first generation of this unit I believe. I've just started
> using this unit.
>
> Anyway, I'm hearing a low level hum, sortof like a grounding hum.
>
> Does anyone else use the ART line of pres? Has anyone had trouble with
them?
>
> The unit uses 2 tubes and I'm sure they aren't high quality tubes.
> Could a lower quality tube cause a low level ground hum?
>
> The unit has a grounded plug, and I can't seem to get rid of the hum
> by unplugging other components, but when I mute the unit through my
> sound card, the hum is decreased. The hum is audible in silences on
> my tracks, so I know it's not just my playback system.
>

Just another easy to test idea - how about moving the unit and the
connectors around the room a bit? I get horrendous hum on my guitar amp if
it picks up rf interference. .. move away from fluorescent lights, dimmer
switches, monitors etc..

J

_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@email-addr-hidden
http://lists.linuxaudio.org/listinfo/linux-audio-user
Received on Tue Aug 13 08:15:01 2013

This archive was generated by hypermail 2.1.8 : Tue Aug 13 2013 - 08:15:01 EEST