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122 crossover capacitor replacement

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  • BlueOliveB3
    replied
    No need to try and get exactly 7.8 and 12.5...8uF and 12uF work perfectly well and the shift is less than a semitone, ie inaudible. I've done several crossovers with the red "MKP Audiophiler" film caps from Antique Electronic Supply. Decent price ($3.25 for the 12uF and $2.50 for the 8uF) and they seem to work very well, been pleased with them. I mount them between two terminal strips in the old-style crossovers, makes a nice neat install.

    TP

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  • Drummer55
    replied
    Caps are replaced and it sounds great.. I like it and the cost is low.....

    Leave a comment:


  • joecool240
    replied
    Originally posted by David Anderson View Post
    I thought I'd write a poem about crossover capacitor replacement.


    People make
    Replacing
    Two components
    So hard.
    That's some really bad Haiku, David . . .

    Leave a comment:


  • David Anderson
    replied
    I thought I'd write a poem about crossover capacitor replacement.


    People make
    Replacing
    Two components
    So hard.

    Leave a comment:


  • fhrussell
    replied
    I just replaced the capacitors in my 22H/122 with the Trek unit and what a difference! I think it took all of 30 minutes from beginning to end to install. I had purchased the individual caps kit from TWGH a while back, but lost them in a move, so this was the quickest solution. Also, spent another few minutes doing the Percussion 'Normal' volume drop modification to the B3.

    Leave a comment:


  • Drummer55
    replied
    I looked at that one from Trek II. $40 and simple... So I opted to go with another combo in caps. 6.8uf and 1.uf for 7.8 in parallel and 10uf, 1.5uf & 1.uf in parallel... I will let you know how it works out...

    Leave a comment:


  • andyhof
    replied
    Originally posted by Jwolter View Post
    My values were 3 times higher than original. I swapped the 7.8mf/12.5mf with a 10mf/15mf. It sounds delightful now!
    I may try 8mf/12mf just to hear if it makes much difference. I went with 10/15 -100v to simulate aging. Anyway...it sounds fine to me.
    I kept it simple and took the suggestions of those before me:

    https://trekii.com/products/leslie-s...capacitor.html

    Leave a comment:


  • Jwolter
    replied
    Originally posted by David Anderson View Post
    Just when I think that nothing can surprise me anymore.
    Lol, David....ok I kinda made part up. I was just curious to hear what it sounded like.

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  • David Anderson
    replied
    Originally posted by Jwolter View Post
    I went with 10/15 -100v to simulate aging.
    Just when I think that nothing can surprise me anymore.

    Leave a comment:


  • Jwolter
    started a topic 122 crossover capacitor replacement

    122 crossover capacitor replacement

    My values were 3 times higher than original. I swapped the 7.8mf/12.5mf with a 10mf/15mf. It sounds delightful now!
    I may try 8mf/12mf just to hear if it makes much difference. I went with 10/15 -100v to simulate aging. Anyway...it sounds fine to me.
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