soundcheck;539466 Wrote:
No. It is currently just a short unshielded CAT-5 patch cable because I
am sitting quite close to the router.
It just hit my mind, that perhaps the WLAN interferes with the
headphone
cable. As soon as I disconnect LAN, WLAN takes over which might explain
that
soundcheck;539740 Wrote:
Hi Phil.
I think I figured it out - at least partially.
It's the ethernet jack. If I touch the ethernet jack metal frame with
my finger, hum is gone (or goes heavily down - I guess it needs to be
measured).
It becomes even more obvious if you unplug the
Yeah, I think you got a bum unit as Phil suggests.
I just tried all Touch outs into my AVR, cranked volume 100% on both
Touch AVR (nothing playing, obviously), no such hum while tapping
Touch's ethernet jack.
I do get a consistent hum with Touch's headphone out in this scenario,
but I believe
toby10;539758 Wrote:
Yeah, I think you got a bum unit as Phil suggests.
I just tried all Touch outs into my AVR, cranked volume 100% on both
Touch AVR (nothing playing, obviously), no such hum while tapping
Touch's ethernet jack.
I do get a consistent hum with Touch's headphone out in
soundcheck;539761 Wrote:
Here we go. :)
You got the same issue. I am talking about the headphone jack.
The hum starts at power-on. Unplug the ethernet cable to see if it gets
worse. Try to ground your ethernet-jack with the finger and tell us if
the hum disappears. Just touch the
toby10;539766 Wrote:
Yes, that's what I did. My Touch is connected via WiFi.
Tapping the ethernet jack with my finger has no effect on the hum.
No hum at power-on (at normal volume).
I'll gladly try other suggestions for you. Maybe wet my finger first?
:)
Cranking up power usually
Well now it looks like my headphone out cable is bad, causing my
original reported hum at 100% volume to be inaccurate.
Moving this cable around causes static and the hum to be present then
go away.
Try moving your headphone input around, actually spinning it in your
headphone jack, see if that
Well now it looks like my headphone out cable is bad, causing my
original reported hum at 100% volume to be inaccurate.
Moving this cable around causes static and the hum to be present then
go away.
Try moving your headphone input around, actually spinning it in your
headphone jack, see if that
It could be the headphone mini-jack that is the problem...?
I'll do tests later when i've finished my chores...
--
Phil Leigh
You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...
Touch(wired/XP) - TACT 2.2X (Linear PSU) + Good Vibrations S/W -
soundcheck;539430 Wrote:
Hi folks.
Just got and connected my Touch. Started it up, configured it and
hooked up
my headphones.
Already at power-up I can hear pretty obvious hum in the background and
as soon as I disconnect my ethernet cable it gets even worse.
Faulty DOA device?
I've noticed on many different devices that this could cause a hum:
A modified sine wave source- which usually is from using a poor quality
UPS. Make sure you're not plugged in through anything like that- if
you're using a UPS, make sure it's true sine or pure sine wave.
That can make a big
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