internal shielding

camotecue · 4th September 2006, 07:46 AM

guys,

just a newbie question: does one have to ground the internal shielding of a tube?

Geek · 4th September 2006, 09:08 AM

Depends on the application and layout.

Certainly it's preferable. But if it's inducing ground noise, try grounding it through a 1Meg resistor shunted by a smallish cap, say 0.01 to 0.047uF.

camotecue · 6th September 2006, 02:31 AM

geek,

thank you. it's just now i connected to the internet.

jarthel · 7th September 2006, 07:24 AM

Mr. Broskie suggest a .1uF cap to ground. but he also said that you can connect it directly to ground.

Geek · 7th September 2006, 09:07 AM

Yeah, the value isn't that critical.

I would listen to Broskie in this case over me

4th September 2006, 07:46 AM	#1
camotecue diyAudio Member Join Date: Apr 2004 Location: pampanga	internal shielding guys, just a newbie question: does one have to ground the internal shielding of a tube?

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4th September 2006, 09:08 AM	#2
Geek diyAudio Member Join Date: Sep 2004	Depends on the application and layout. Certainly it's preferable. But if it's inducing ground noise, try grounding it through a 1Meg resistor shunted by a smallish cap, say 0.01 to 0.047uF.

6th September 2006, 02:31 AM	#3
camotecue diyAudio Member Join Date: Apr 2004 Location: pampanga	geek, thank you. it's just now i connected to the internet.

7th September 2006, 07:24 AM	#4
jarthel diyAudio Member Join Date: Jan 2002 Location: somewhere in Australia	Mr. Broskie suggest a .1uF cap to ground. but he also said that you can connect it directly to ground.

7th September 2006, 09:07 AM	#5
Geek diyAudio Member Join Date: Sep 2004	Yeah, the value isn't that critical. I would listen to Broskie in this case over me