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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Need crossover upgrade help for older speakers... posted by Monolith on May 21, 2001 at 14:37:49:
I'm replacing the binding posts on some vintage Polk speakers (RTA 15t). The original posts refuse to tighten down. I've been looking at the Cardas CCGRS binding posts as possible replacements. *****Cardas makes good BP's. I think you will be very happy. ****88The originals appear to be hot glued. ****Looks to me like the glue secures the bolt from loosening from vibration****
The crossover is actually attached to the binding post cover. **I'd move it if I could, but the coil may be a headache. ***The low pass coil is wound around the black cover. *****Can it be seperated? and moved? ***
I was wondering if I should solder the new terminals in place rather than screwing them to the posts.***what terminals? This appears to be the first time you mentioned them. *****
Should I re-hot glue them?***I wouldn't worry about it****
Newbie crossover question:
I have not been able to find any info on "t.i." capacitors and was wondering if anyone could suggest upgrade capacitors. ****Never heard of them either. It'll be tough to find 20uf caps - try Solen for a more cost effective solution. I like RelCap 12uf PPFMXS caps. All caps sound different.
I was looking at the Caddock MP820/821 for the tweeter resistor replacement. Any better suggestions for resistor replacement?
****I'm not sure***
Are there any benefits to rewiring the speakers**depends on how good the old wire was and the new wire is, you need someone with Polk experience to answer this.*** or damping the crossover circuit board? I was also wondering what the effects were of having the low pass coil coiled around the speaker terminals. Should I shield the terminals somehow?**I don't know but I can't imagine its any good - one more reason to move the coil.***I'm not really looking to drastically rebuild or come up with a new crossover design, but all suggestions will be considered. I just got the tweaking bug after being forced to replace the binding posts.
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Follow Ups
- Re: Need crossover upgrade help for older speakers... - jk 15:24:36 05/21/01 (3)
- Re: Need crossover upgrade help for older speakers... - Monolith 17:14:58 05/21/01 (2)
- Re: Need crossover upgrade help for older speakers... - jk 17:30:53 05/22/01 (1)
- Re: Signal wire thru coil... - Monolith 18:09:36 05/22/01 (0)
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