Hi,

I've got a Luxman LX-33 amplifier that appears to be producing some annoying
buzzing sounds in the background. Anyone know what this is and how to fix
it? Thanks.

"Alon Wolman"
Hi,

I've got a Luxman LX-33 amplifier that appears to be producing some
annoying
buzzing sounds in the background. Anyone know what this is and how to fix
it? Thanks.



** Is there still buzz with *nothing* plugged into the input sockets ?




........... Phil

Hi,

It was from the RCA cables that I had attached to an adapter (to mini
stereo) which was attached to my soundcard... it wasn't attached properly,
and it was causing the buzz. Thanks for the help.

"Phil Allison" wrote in message
...

"Alon Wolman"
Hi,

I've got a Luxman LX-33 amplifier that appears to be producing some
annoying
buzzing sounds in the background. Anyone know what this is and how to
fix
it? Thanks.



** Is there still buzz with *nothing* plugged into the input sockets ?




.......... Phil

I am getting buzzing when I use my stereo amp to try to amplify my computer
sound.
The buzzing occurs only when I try to amplify the sound from the computer
plugged in via a mini stereo plug. I get no noise when I directly connect
headphones to the PC. It occurs in any jack I plug the amp into, on my sound
card (Turtle Beach Santa Cruz) or on my onboard audio, and it occurs when
the computer is off and even unplugged from the wall. Can someone please
tell me what's going on here?? Thanks.

Asterix

"Phil Allison" wrote in message
...

"Alon Wolman"
Hi,

I've got a Luxman LX-33 amplifier that appears to be producing some
annoying
buzzing sounds in the background. Anyone know what this is and how to
fix
it? Thanks.



** Is there still buzz with *nothing* plugged into the input sockets ?




.......... Phil

"Asterix"
I am getting buzzing when I use my stereo amp to try to amplify my
computer
sound.
The buzzing occurs only when I try to amplify the sound from the computer
plugged in via a mini stereo plug. I get no noise when I directly connect
headphones to the PC. It occurs in any jack I plug the amp into, on my
sound
card (Turtle Beach Santa Cruz) or on my onboard audio, and it occurs when
the computer is off and even unplugged from the wall. Can someone please
tell me what's going on here?? Thanks.



** Congratulations - **YOU** have just discovered " ground loop hum
" - sorry, no prizes are attached since you are merely the 52,458,782
person to do so this century.

The simplest and best answer is to use a "stereo line isolation
transformer" - good cheap ones are often sold by places that deal in car
stereo systems. They will have male and female RCA connectors on leads for
in and out and look like a small black tube.




............ Phil

"Asterix" wrote in message
...
and it occurs when
the computer is off and even unplugged from the wall. Can someone please
tell me what's going on here?? Thanks.

Unplug the monitor, printer, whatever else is attached that uses a
three-prong plug. You've got ground loop I bet.

Best way to fix it is to run the amplifier from the same strip as the
computer so they both get the same ground hum signal (nulling the ground
loop you're hearing). Second to that, you can get audio isolation
transformers and "lift the ground" going to the amp. Can't get ground loop
without a loop between 'em!

Tim

--
"I've got more trophies than Wayne Gretsky and the Pope combined!"
- Homer Simpson
Website @ http://webpages.charter.net/dawill/tmoranwms

Strangely, it dissapeared by the time I tested my PC this morning. Just in
case, I installed a surge protecter specifically for the monitor and
computer that has a 50db noise filter.

"Tim Williams" wrote in message
...
"Asterix" wrote in message
...
and it occurs when
the computer is off and even unplugged from the wall. Can someone please
tell me what's going on here?? Thanks.

Unplug the monitor, printer, whatever else is attached that uses a
three-prong plug. You've got ground loop I bet.

Best way to fix it is to run the amplifier from the same strip as the
computer so they both get the same ground hum signal (nulling the ground
loop you're hearing). Second to that, you can get audio isolation
transformers and "lift the ground" going to the amp. Can't get ground
loop
without a loop between 'em!

Tim

--
"I've got more trophies than Wayne Gretsky and the Pope combined!"
- Homer Simpson
Website @ http://webpages.charter.net/dawill/tmoranwms

Probably an intermittent cable connection.

- Nothing is so smiple that you can't screw it up! keithw...


"Asterix" wrote in message
...
Strangely, it dissapeared by the time I tested my PC this morning. Just in
case, I installed a surge protecter specifically for the monitor and
computer that has a 50db noise filter.

Ah ha! It's the light in the other room. When the light is on, the buzzing
is there, when it's off, the buzzing is basically gone. How do I correct
this? Should I try installing the surge protecter with noise filter on the
light?

"Keithw" wrote in message
...
Probably an intermittent cable connection.

- Nothing is so smiple that you can't screw it up! keithw...


"Asterix" wrote in message
...
Strangely, it dissapeared by the time I tested my PC this morning. Just
in
case, I installed a surge protecter specifically for the monitor and
computer that has a 50db noise filter.

"Asterix"
Ah ha! It's the light in the other room. When the light is on, the buzzing
is there, when it's off, the buzzing is basically gone. How do I correct
this? Should I try installing the surge protecter with noise filter on the
light?



** Try some better quality RCA - RCA leads - some cheapies are simply
not made with shielded cable.




................ Phil

Now the stupid light is off and so is everything else in the house besides
the computer equipment and stereo equipment, and I'm getting some other new
buzzing sound.

"Phil Allison" wrote in message
...

"Asterix"
Ah ha! It's the light in the other room. When the light is on, the
buzzing
is there, when it's off, the buzzing is basically gone. How do I correct
this? Should I try installing the surge protecter with noise filter on
the
light?



** Try some better quality RCA - RCA leads - some cheapies are simply
not made with shielded cable.




............... Phil