[ddots-l] Re: sortof OT -- ART tube pac preamp and compressor noisy?
- From: D!J!X! <megamansuperior@xxxxxxxxxxx>
- To: <ddots-l@xxxxxxxxxxxxx>
- Date: Mon, 12 Aug 2013 11:10:54 -0400
Hi, do you have a power conditioner? Ground hum war is one that has to be
fought from time to time. One thing to do is to unplug everything, plug in
your speakers, check for any sound there (even at high volumes, so you can
hear any small bit of it). Make sure your speakers are plugged into whatever
source you use them with, meaning don't unplug the amp or ins. Then start
adding equipment until you start to hear the hum begin. It is likely that
you have multiple units that are causing humming, and when they add up it
becomes an issue.
Whatever you do, avoid the external ground lifts!
HTH, D!J!X!
-----Original Message-----
From: ddots-l-bounce@xxxxxxxxxxxxx [mailto:ddots-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Rusty Perez
Sent: Monday, August 12, 2013 11:05 AM
To: linux-audio-user; nama@xxxxxxxxxxxxx; ddots-l@xxxxxxxxxxxxx
Subject: [ddots-l] sortof OT -- ART tube pac preamp and compressor noisy?
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.
Now, before you go on about how the ART pre is cheap and crappy. I know it's
a budget pre, that's why I can afford it. I'm only looking for constructive
ideas, or similar experience.
Thanks so much!
Rusty
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