Dpe,
A buzz in the 10-12 kHz region from a ribbon tweeter should show up in a frequency response curve. On my RAAL ribbon tweeter the response curve is as flat as a pancake. A lot of dome tweeters start to roll off above 10 kHz and I think that is what you must be hearing.
Bob
A buzz in the 10-12 kHz region from a ribbon tweeter should show up in a frequency response curve. On my RAAL ribbon tweeter the response curve is as flat as a pancake. A lot of dome tweeters start to roll off above 10 kHz and I think that is what you must be hearing.
Bob