I do have both the TAD 4001 and the JBL 2441 (with fresh diaphragms) and have listened to both extensively. In my comparisons I found the most important difference to be the additional detail the TAD brings to the music. I found this to be more significant than the extra bandwidth. The level of detail approached the electrostatic panels I have owned. Even though I really enjoy the dynamic sound of compression drivers on horns, almost all of them have tended to mask the inner detail (for lack of a better term) on my discs.Originally posted by PSS AUDIO
I will not discuss about TAD drivers as I do not know them...
With a “poor” amplifier the TAD will sound better as this driver is inferior to the 2441 as I think that TAD drivers rubs some harmonics.
With a “good” amplifier I think the 2441 (1K-8-9K) will outperform all TAD drivers!
I certainly can't say for sure as I haven't had the pleasure of listening to your speakers, but what you are describing sounds like classic diaphragm fatigue. When did you last replace your 2441 diaphragms? With your "good" amplifier it might improve even further with fresh diaphragms.
I fully agree with Mike, that if he prefers the sound of a 2440, that it is the best compression driver for his use, but before you jump to the conclusion that the 4001 is a euphonic device that masks deficiencies in "poor" amps, you should probably try to borrow a pair of 4001s and give them a listen. With your "good" amplifier, you may discover even more to enjoy in your favorite albums.
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