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In Reply to: RE: Pic of the R-C Network posted by cdc on August 24, 2007 at 10:51:30
Thanks Chris for the validation. Yes, I'm basing this off Al's posts also, and am using silver mica's and prp's although I am going to reorder prp's in 18-20 ohm to match the characteristic impedance of my cable.I'm using the alpha core silver spades Al recommends.
May I ask:
- your pic shows all 3, 3650pf caps tied to just *1* resistor; mine shows 1 resistor for each of these 3 caps ??
- what type of wire you like to use?
- is that microsorb underneath the RC's?
- where might I pick up a plastic enclosure? That's a good ideaThanks
Edits: 08/24/07Follow Ups:
Here are the answers to your questions:
Q: your pic shows all 3, 3650pf caps tied to just *1* resistor; mine shows 1 resistor for each of these 3 caps ??
A: That is correct, this is what Al recommended
Q: what type of wire you like to use?
A: I have tried several including Gold alloy (gold, silver, copper mixure), 5N copper, 4N silver from two sources and Cardas 5N silver. I have not tried pure gold yet. So far the wire I like the best is Cardas 24ga. 5N silver from Percy. I also polish the Cardas wire.
Q: is that microsorb underneath the RC's?
A: Yes it is Microsorb. I tried the wrapping teflon tape as Al does. So far, I find that the Microsorb seems to work the best.
Q: where might I pick up a plastic enclosure? That's a good idea
A: Radio Shack, the dimensions are 1"H x 2"W x 3" long. $2.69. I use brass screws instead of the steel screws that come with the enclosure. I also use a brass bolt, nut and washer for the TI-Shield (see the lead with a loop coming off of the last resistor).
Chris
that is not shown? Yes I wondered what that wire was for. So you are grounding the TI shield...and the shield is between the RC network and the speaker drivers?
Yes, the TI-Shield is on the underside of the cover and not pictured. I probably have taken 10-11 pictures of the different R-C Networks I have built. If it helps I can post a pic or two of the TI-Shield. The TI-Shield is grounded to the resistors. With the TI-Shield installed, the presentation is a bit warmer/more organic then without. No noticable loss of information with the TI-Shield installed. I use cotton in between the TI-Shield and the rest of the network, to ensure that there will never be a short.
Chris
Chris
Remember we were talking about warmth....I got an idea....remove the internal TI Shield ground wire and earth ground the TI Shield back to the ac outlet...that should warm things up a bit. Use a good 12ga insulated copper wire for the ground....copper spade as well. Keep me posted.
Alan
...
Sorry....we had a DEXTERathon today in the Maher household....just got the dvd series in the other day. Check you mail...I sent my response.
Alan
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