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Thread: crossover capacitators upgrade

  1. #1
    Join Date: May 2009

    Location: Bulgaria

    Posts: 11
    I'm sam.

    Default crossover capacitators upgrade

    would you please recommend High Quality 4.7 uF film cap to replace Solen stock for high pass filter and reasonable quality film cap of 82 uF to replace stock bipolar for mid filter

  2. #2
    Join Date: Dec 2008

    Location: Yorks

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    I'm Nobody.

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    Ansar 'Supersound' do both those values.

  3. #3
    Join Date: Mar 2010

    Location: Sheffield

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    I'm Simon.

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    You need to match the ESR of the old caps not just the capacitance if you don't want to alter the frequency of the crossover. It won't be an issue with the film cap replacement they'll be very close. But that bipolar could have a bit of ESR, maybe even an ohm or so and than probably will make an audible difference if you replace it with a big film cap with essentially zero ESR.
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  4. #4
    Join Date: Jan 2010

    Location: Oxford

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    I'm NotSoPissedOffNowCosMyHiFisUnpacked.

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    I did the last pair of speakers I had with with Mundorf supreme but the largest value was only 6.8uF. In my new speakers, I need 8.2uF, 68uF and 150uF which would be far too expensive if I could get them at the right value. The change from std horrible elco's to the supreme's was a significant upgrade. I do accept that the xovers characteristics would have changed as a result of the cap change, but for me I was very very happy with the result.

    I've heard the Mundorf Evo series are very good

    http://www.hificollective.co.uk/comp.../mcap_evo.html
    Ian
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  5. #5
    Join Date: May 2009

    Location: Bulgaria

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    I'm sam.

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    Quote Originally Posted by Rare Bird View Post
    Ansar 'Supersound' do both those values.
    are they better than Clarity ESA

    Quote Originally Posted by UV101 View Post

    I've heard the Mundorf Evo series are very good

    http://www.hificollective.co.uk/comp.../mcap_evo.html
    any reviews ?

  6. #6
    Join Date: Sep 2009

    Location: Derbyshire

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    I'm Josie.

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    I prefer ESA's to Ansar Supersounds. Had them both in a crossover. The ESA's take a little longer to burn in but they are worth it.
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  7. #7
    Join Date: May 2009

    Location: Bulgaria

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    I'm sam.

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    I have read that SA and ESA are dull souding

    where are you using ESA which rate 250 V or 630 V - Is It reasonable choice for mid pass filter

    have you tried to add to ESA Mundorf Supreme as Tony Gee recomendations

    what Is your choise for high pass 4.7 uF

  8. #8
    Join Date: Dec 2008

    Location: Yorks

    Posts: 16,643
    I'm Nobody.

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    I fully understand why a lot of people choose different Caps, certainly inst the reason i do it hence i stick to what i use. I don't want my speakers sounding more bright & detailed, i want them sounding how they do but more well defined in all areas.

  9. #9
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

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    I'm AudioAl'sArbiterForPISHANTO.

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    Quote Originally Posted by samoloko View Post
    I have read that SA and ESA are dull souding

    where are you using ESA which rate 250 V or 630 V - Is It reasonable choice for mid pass filter

    have you tried to add to ESA Mundorf Supreme as Tony Gee recomendations

    what Is your choise for high pass 4.7 uF
    Hi "samoloko",

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  10. #10
    Join Date: May 2008

    Location: U.S.A. Neo-Socialist Kalifornski

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    I have used Clarity Cap SA and ESA as well as manny others.
    The clarity line above PX uses very heavy duty film and break in takes forever but they are worth it in the end. A mix of capacitors is better than using just one brand and or type,I mix the CC ESR with Oblangatto Gold or Mundorf supreme then one cap dosen't leave a sonic signature.
    Don't believe that Clarity Caps are dull after break in there is a pair of Mission 762i speakers in my wifes Solon with SA 630v caps that have been running 7 days a week,10+ hours a day for well over a year and it seems the longer they run the better they get, they are fully cooked in now.

    My Tekton Lores in our home use ESA caps 630v are 1 year old and are still breaking in due to our busy life, they don't have 400 hours on them, but they are far better than when they where new.
    I went through the same thing with Black Gates,then one day you just go Wow!
    There it is!
    Seems some good caps just take more time to cook.
    Jeff :UBERTHREADKILLER

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