Anode Cap Question

sgerus · 6th September 2007, 04:45 PM

Sorry if this is a stupid question. What is the best way to fasten the cable to one of these Anode Caps? (see attachment)

I’m using a shielded cable, with the shield connected at the input only. I cut back the shielding at the cap end, and covered with shrink wrap tubing. The center wire is very thin, so for now I just pressed it into the top of the cap.
This is a temporary solution. Whats the right way to do this?

sgerus · 6th September 2007, 04:47 PM

with the attachment this time?

tyor · 6th September 2007, 06:17 PM

I use to solder the cable to the cap

KaDe · 6th September 2007, 08:14 PM

I use 22 AWG ( AWM STYLE 3239 ) 150°C 20KVDC wires.

oshifis · 7th September 2007, 07:11 AM

I use 18 AWG silver wire in teflon tube sleeve.

kevinkr · 7th September 2007, 04:48 PM

You didn't mention the tube type and whether the top cap on this tube is grid (suspected from your description of wire used) or the plate.
Insulation and safety requirements will be quite different depending on use.

In any event the wire should be soldered to the connector and not the tube cap. (Although in a pinch I have carefully soldered directly to the tube's cap.)

sgerus · 7th September 2007, 05:00 PM

It's a 6j7g pentode, the top cap is the grid.

I’m surprised to see from to of the replies that they did not use a shielded wire.

I will definitely solder the wire to this cap.

Thanks for the help.

6th September 2007, 04:45 PM	#1
sgerus diyAudio Member Join Date: Nov 2005 Location: Milwaukee, WI	Anode Cap Question Sorry if this is a stupid question. What is the best way to fasten the cable to one of these Anode Caps? (see attachment) I’m using a shielded cable, with the shield connected at the input only. I cut back the shielding at the cap end, and covered with shrink wrap tubing. The center wire is very thin, so for now I just pressed it into the top of the cap. This is a temporary solution. Whats the right way to do this?

7th September 2007, 04:48 PM	#6
kevinkr diyAudio Moderator Join Date: Sep 2004 Location: Boston, Massachusetts Blog Entries: 6	You didn't mention the tube type and whether the top cap on this tube is grid (suspected from your description of wire used) or the plate. Insulation and safety requirements will be quite different depending on use. In any event the wire should be soldered to the connector and not the tube cap. (Although in a pinch I have carefully soldered directly to the tube's cap.) __________________ www.kta-hifi.net

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6th September 2007, 06:17 PM	#3
tyor diyAudio Member Join Date: Jul 2004 Location: country	I use to solder the cable to the cap

7th September 2007, 05:00 PM	#7
sgerus diyAudio Member Join Date: Nov 2005 Location: Milwaukee, WI	It's a 6j7g pentode, the top cap is the grid. I’m surprised to see from to of the replies that they did not use a shielded wire. I will definitely solder the wire to this cap. Thanks for the help.

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