Help with Modified Audible Illusions Modulus 3


Can someone help identify what has been dont to this Modulus 3?

It has worked flwlessly in my posetion. I used this with my Martin Logan MOnolith 2's and a Stereo Grand Amp.

Thanks for any help you may be able to offer.

http://public.fotki.com/danphealy/4_sale/my-modified-m3a.html
danphealy

Showing 1 response by hifigeek1

If the caps that were replaced are shorted or the wrong value it could cause the preamp to be unstable. I am always careful to use the same value parts in any preamp I update. That preamp also has solid state regulators in it and that could also be a problem. Do the tubes light up?