analog'd
1000+ Head-Fier
the following is from a 2 yr old post:
" I found, that by using a 3.25" rubber o-ring gently(must not let it slip into the gap or it won't seal - must rest on both ridges of the gap) stretched to fill in the gap on the stock CD3000 to do exactly as you describe if I use subjective evaluation using music. However, using a sine wave generator and breaking and resetting the seal while listening to tones, the appearance of more bass was actually due to a slight peaking in higher bass region and in the lower midrange, kind of a perceptual trick, since in reality slight amplitude reduction occured in the lowest octave.
As an added bonus, this modification provides for much greater isolation then a stock CD3000."
did anyone else ever try this? if so, with what results?
thanks
" I found, that by using a 3.25" rubber o-ring gently(must not let it slip into the gap or it won't seal - must rest on both ridges of the gap) stretched to fill in the gap on the stock CD3000 to do exactly as you describe if I use subjective evaluation using music. However, using a sine wave generator and breaking and resetting the seal while listening to tones, the appearance of more bass was actually due to a slight peaking in higher bass region and in the lower midrange, kind of a perceptual trick, since in reality slight amplitude reduction occured in the lowest octave.
As an added bonus, this modification provides for much greater isolation then a stock CD3000."
did anyone else ever try this? if so, with what results?
thanks
