Interference

Prune · 22nd September 2003, 05:32 AM

I notice that when I'm using my headphone tube amp, a nearby fluorescent light will cause interference that can be heard until the light is moved at least a meter and a half away. I wonder if it's easy to shield against this type of interference.

Sch3mat1c · 22nd September 2003, 04:37 PM

Could:
Put aluminum window screen over the lamp to shield it.
Bypass any connections to the amp with small ceramic caps (100pF or so) to prevent RFI from entering.
Keep the lamp farther away!

Switch to incandescent, it looks better anyway...
What else?

Tim

22nd September 2003, 05:32 AM	#1
Prune Account Disabled Join Date: Mar 2003 Location: Vancouver	Interference I notice that when I'm using my headphone tube amp, a nearby fluorescent light will cause interference that can be heard until the light is moved at least a meter and a half away. I wonder if it's easy to shield against this type of interference.

22nd September 2003, 04:37 PM	#2
Sch3mat1c diyAudio Member Join Date: Jan 2003 Location: Milwaukee, WI	Could: Put aluminum window screen over the lamp to shield it. Bypass any connections to the amp with small ceramic caps (100pF or so) to prevent RFI from entering. Keep the lamp farther away! Switch to incandescent, it looks better anyway... What else? Tim __________________ See my Electronics webpage -- the home of Vacuum Tube Drag Racing. The key to being a successful Audiophile: "I reject your reality and substitute my own!"

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