I've built all three speakers in the Studio line (1, 2, and 2 tower),
all with the piezo tweeter, and I share Wayne's occasionally stated
comment that what you hear may be the upper end of the big driver's
range rather than the tweeter. I have made a change on two sets of
speakers that has been pleasing to me. I have switched the series
coil, using North Creek Musin 14 guage coils. These, obviously have
much lower DC resistance, and seem to make the speaker richer without
decreasing the sense of detail. I have tried .5mh and .7mh values and
prefer the .7mh. Wayne has stated that anywhere up to 1mh falls within
in his 'reasonable' range of values. Perhaps 1mh would be even nicer.
I notice that Parts Express is now offering large guage air-core
coils, and the prices are comparable to North Creek.I have also paralleled a 50 ohm resistor across the tweeter, but I'm
less sure of a significant difference here. I use these speakers with
gainclone amps, and I thought the resistors might make the load more
benign, as gainclones are reputed to dislike capacitative loads.
Please take my comments here as coming from one without significant
technical authority
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