Capacitors?

rntlee · 27th January 2012, 09:27 PM

Hi,
I'm new to this and tried to search for it but no dice.
I recently picked up some 30 year old Realistic Mach 1's and am assuming the original x-over capacitors need to be replaced. What are reasonably priced replacements for the old electrolytics? I want a half decent pieces, but obviously don't want to drop too much cash into these speakers. Any suggestions?

Brett · 28th January 2012, 12:28 AM

Solen, Dayton, Mundorf (white ones) or WIMAs off ebay.

At Audiokarma there were a number of threads last year with xover mods and rebuilds. I sold my Mach Ones recently so I never made any changes, which worked out well as the buyer wanted them dead stock.

sreten · 28th January 2012, 01:32 AM

Hi,

Modern new electrolytics are dirt cheap and will make far more of an
improvement over tired old electrolytics than film types will over
modern electrolytics.

Next step up :

Smaller value electrolytics possibly replace with film types, bigger
ones simply make up with an electrolytic and smaller film bypass.

The PE metalized polypropylene capacitors are value film types.

rgds, sreten.

rntlee · 28th January 2012, 05:01 PM

Thanks guys.

27th January 2012, 09:27 PM	#1
rntlee diyAudio Member Join Date: Jan 2012	Capacitors? Hi, I'm new to this and tried to search for it but no dice. I recently picked up some 30 year old Realistic Mach 1's and am assuming the original x-over capacitors need to be replaced. What are reasonably priced replacements for the old electrolytics? I want a half decent pieces, but obviously don't want to drop too much cash into these speakers. Any suggestions?

28th January 2012, 01:32 AM	#3
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hi, Modern new electrolytics are dirt cheap and will make far more of an improvement over tired old electrolytics than film types will over modern electrolytics. Next step up : Smaller value electrolytics possibly replace with film types, bigger ones simply make up with an electrolytic and smaller film bypass. The PE metalized polypropylene capacitors are value film types. rgds, sreten. __________________ There is nothing so practical as a really good theory - Ludwig Boltzmann When your only tool is a hammer, every problem looks like a nail - Abraham Maslow

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28th January 2012, 12:28 AM	#2
Brett diyAudio Member Join Date: Jan 2002	Solen, Dayton, Mundorf (white ones) or WIMAs off ebay. At Audiokarma there were a number of threads last year with xover mods and rebuilds. I sold my Mach Ones recently so I never made any changes, which worked out well as the buyer wanted them dead stock.

28th January 2012, 05:01 PM	#4
rntlee diyAudio Member Join Date: Jan 2012	Thanks guys.

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