Audio Asylum Thread Printer

Get a view of an entire thread on one page

FAQ / News / Events

Tweakers' Asylum

Ah experimentation!

207.200.116.66

In Reply to: RE: My DIY AC Line Filter Build posted by Maxamillion on February 06, 2011 at 11:19:56

Glad to see this elabortately improved job! Looks like a lot of nice work and thinking.

What surprises me is that you didn't get good results right out of the box. Mine always do improve it immediately and then work in a bit better, so I never have had regrets on this.

I've never potted mine, though I did experiment in earlier iterations of R-Cs with sand fill. With the R-C-Rs, as long as the values of R are right and each C is surrounded by it's own Rs of matched values, it works best for me.

I do surround with TI and ground that as well. But I do not do total surround as you do, just more of a clamshell design (spiral?) padded by cotton, as Al Sekela showed me to do. With grounding TI, the AWG matters, and I found 12 AWG to be good for that purpose.

For the R-C-R wires, however, the smallest guage solid core that is safety rated for the task at hand is the best.

Keep listening, keep trying. These things work well and they work cumulatively and they're synergistic with other AC tweaks.

Follow Ups:

RE: Ah experimentation! - Maxamillion 12:11:46 02/06/11 (0)
Yeah, I certainly wasn't expecting it to sound worse, either, but it did. Maybe it was the fact the I switched the socket for the PPP to the never-used top one of the duplex pair - I needed the bottom one for the filter to fit. That also means I had everything unplugged for a short while to make the switch. Maybe the carbon black/wire system needs time to set up; each particle of carbon insulated with epoxy can be thought of as a tiny capacitor that might have a breakin period too, perhaps.

Could also be that the PPP and the internal filters in my system do a pretty good job on RF as is, so additional filtering may not make as much of an impact. It is sounding very good today, though.

As I said in the OP, time will tell...

Post a Followup:

FAQ

Post a Message!

Forgot Password?

Moniker (Username):
Password (Optional):
	Remember my Moniker & Password (What's this?) Eat Me
E-Mail (Optional):
Subject:

Message:	(Posts are subject to Content Rules)

Optional Link URL:
Optional Link Title:
Optional Image URL:
Upload Image:
E-mail Replies:	Automagically notify you when someone responds.

To view your new posting or follow-up, click on the RELOAD or REFRESH button on your browser.

This post is made possible by the generous support of people like you and our sponsors:

Parts Connexion