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In Reply to: RE: Mine had the same driver posted by rickmcinnis@dogwoodfabrics.com on September 12, 2016 at 12:01:31
My two bits re tweeters in Edgarhorn system - I agree that you can almost do without a tweeter. When I say almost I mean there may be a little more air there when you use a tweeter, but nothing really dramatic. Another point: we (Cy and I) compared A-B Fostex T500 and Fostex 925A (with 1.5 uF cap) and heard practically no difference between the two (with T500 costing almost twice as 925A)
Follow Ups:
No question, pure vanity drove me to purchase the T500s.
I figured this way, not matter what, it is done and I would not think about super tweeters again.
The price we pay for audio peace as Herb Eeichert would put it.
As I seem to recall the overall system sensitivity is 106dB (100dB woofer with a 6dB boost due to the horn?)
T90 is still better than the Fane but if you are going to bother to do it, I'd get the T925A, T900A or T500. I have had the T925A and T900A, both are a step up over the Fanes (which I also had). But lately I am just running a TAD-2002 crossed at about 5k as a tweeter.
also consider active bi-amping (line-level) with multiple amps. It's way easier to make XO changes that way, correct level mismatches, etc.
any experience with Fostex T845?
No, I've thought about buying Fostexes many times, have been granted return rights, yet have not pulled the trigger. Part of that is that I'm happy with what I'm listening to, and just feel like stopping and enjoying the music.
Do you have experience with different Fostex models?
We've seen how well that worked in the past! =:-0
Hey, just sayin' what worked best for me. ;-) Everyone here is just an enabler anyway, that's nothing new. And if you don't think you will get that 845 amp built someday, well, you know who to call about the iron and such. ;-)
best regards!
I dare say that most folks, including those writing above, have not heard a really well set up set of A7 and A5 speakers.First off, a tweeter is very easy to integrate as the acoustic rolloff of the mid horn + compression driver is close to 6db per octave, measured in situ, listening position of 8 feet.
Second, a lot of the drivers out there are beyond their prime and could use reconing / new diaphragms. Easily done, inexpensive.
Finally, most of the Altec crossovers don't sound great, never mind their age, which only adds to the problem.
The talk of needing to be far away from the speakers is the hardest thing for me to figure out, it must have to do with the overwhelming visual size
of the speakers because I often enjoy sitting 4 feet from them and hearing very realistic sound with great dynamics an immediacy. There have also been many studios over the decades that have used them in such close listening situations. There are so many bad drivers, creaky cabinets, crossovers with leaky capacitors, mismatched Voice of the Theatres out there that these must be one of the most misunderstood speakers in history. Couple that with a wide adjustment range on the crossovers, which don't attenuate the mid driver enough for most home situations, (easily rectified by padding the mid driver) and the typical description of the speakers is way off.Using the right drivers, in good condition, good crossovers that can properly adjust the balance of the drivers, supertweeters, the speakers can be very smooth, extremely detailed, yet in a natural way, put out very dynamic bass with good power down to the upper 40's (measured). None of the above is hard at all. They are my favorite speakers, and I own a pretty vast array of big name speakers, so this is not a "I own it so it is the best" post.
Edits: 09/22/16
I'm sure you could use it as well. It is smaller in size than 925A, couple dbs less efficient and can handle a little less power. It is also cheaper.
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