Some of that zip may be diffraction from tweeter off the front baffle. You might try a large ring of 1/4" felt around the dome. This will slightly pad down the tweeter while improving coherance.
Piano and Trumpet can sound bright
SYSTEM:
SPEAKERS...Celestion SL700SE
AMPS...Quicksilver tube 90 watt silver monos
PREAMP...Quicksilver tube LS non-remote...new model
Theta Miles CD Player
CABLES... Kimber 8tc/8tc bi-wire (speakers), Kimber kcag and silverstreak (interconnect).
Any thoughts?... to loud, artist style (Red Garland, Miles Davis), aluminum tweeters, cables, room acoustics
SPEAKERS...Celestion SL700SE
AMPS...Quicksilver tube 90 watt silver monos
PREAMP...Quicksilver tube LS non-remote...new model
Theta Miles CD Player
CABLES... Kimber 8tc/8tc bi-wire (speakers), Kimber kcag and silverstreak (interconnect).
Any thoughts?... to loud, artist style (Red Garland, Miles Davis), aluminum tweeters, cables, room acoustics