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Has anyone modified a Miller & Kreisel subwoofer

Hello
I wanted to pose a question to the general audience here...I am the owner of a pair of ,,,well,,, not sure if you can call them vintage but Miller and Kreisel (M&K) S-2B's two way satelites with a matching V-2b sub.This is a great match for what I am trying to accomplish with my set up,but of late I have been curious about modifying the Subwoofer as I notice it is sort of slow and muddy,I would also like it to have more control,when I say I now notice b/c as my system evolves,these shortcomings are more evident.
I would also like it to have more control.
My question is this has anyone had any success with changing the caps within the sub,to maybe a teflon cap(faster,more transparent cap) ala V-caps is this posible?
I'd love to keep this SUB,is this an example of diminishing returns as the SUB is now dated?
braab8
jpv
23 posts
 
The V2b sub is a good sub. I will put out plenty of low clean bass. I have two of them set up for the left and right speakers. I made new cabinets, removed the plate amp to their own enclousure. I changed the wire from the plate amp to the sub. Added spikes to the bottom of the subs. I also changed the power cord to the amp.
If you find out what caps/resistors to change let us know.
kirkus
502 posts
 
If the sub has a foam surround - make sure it's in good shape and hasn't started to deteriorate . . . if it has, then get it re-foamed.

I take it that this is a sealed-box type . . . the first thing to try would be to put a bunch more stuffing inside the box - available at Parts Express, Madisound, and others. This will have the effect of making the sub a bit less efficient, and making its rolloff more gradual - this will generally reduce the amount of energy in that boomy region. It's cheap, easy, and reversible.
newbie13
242 posts
 
E-mail your question to Dave Fabrikant at Ascend Acoustics as he a former M&K engineer who worked on many of their earlier subs.
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