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acoustat renewal [message #24714] Wed, 29 June 2005 11:29 Go to next message
Kevin Frank is currently offline  Kevin Frank
Messages: 1
Registered: May 2009
Esquire
Hello all;

I am new to this machine. I count it a priviledge to
gather with the group and gleen pure audio mumbo gumbo!

I have acoustat 1+1s with mk121c transformers.
I been surfing the forums and sites awhile. I have read a lot on
topics such as polyproplyne capacitor replacements, monster cable
to solid conductor 18 gauge wire replacements, fuse bypass, and resistor replacements.

I have been soldering for twenty years or so and could well
replace any component in the transformers.

I am wondering if anybody has a connection to a source for a kit to
peforming above or additional acoustic perfecting renewal or modifications!


Thanks!

Re: acoustat renewal [message #24720 is a reply to message #24714] Mon, 04 July 2005 21:55 Go to previous message
moray james is currently offline  moray james
Messages: 51
Registered: May 2009
Baron
Kevin: first off I would suggest you get two 50uF Blackgate caps and place them at the input (replace the big BP electrolytic with it's bypass caps). Second I would suggest you get a bunch of the largest value carbon resistors and make two new 20 Meg ohm load resistors. Slide the string of resistors into a flexible plastic tube. This will allow you to replace the 500 meg ohm load resistors in the high voltage supply. Next I would suggest that you get twenty surplus 1 Henry chokes and string ten together, spaced on a support wire them in series and then place this composite choke in series with the high voltage supply after the load resistor. Then I would suggest that you reshrink your diaphragms to retension the mylar and remove any wrinkles. After all of this there is still more that can be done but you will have done the major improvements and be very amazed at how good your 0ne plus 0nes can sound. Have fun best regards Moray James.

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