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Post by garbulky on Aug 19, 2015 14:16:41 GMT -5
I forgot to tell you Boomzilla in response to the 2 way speakers post. If you were going to experiment then I think those speakers you listed are pretty much what you would want to experiment with! I'm sure they sound fantastic and are likely good competitors! Edit: However don't expect anything close to the -3db point in terms of bass response in your room.
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Post by Boomzilla on Aug 19, 2015 14:39:55 GMT -5
I plan to run them initially with no sub at all. The Hegel integrated does a good job with such speakers. After I've got the measure of each, THEN I'll hook them up to the Emotiva system with the subs.
Then the options are:
Cross them over higher & bring in the subs at about 100 Hz OR
Run the speakers full-range & bring the subs in at about 50 Hz.
The latter will probably work better, but you never know till you try...
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Post by Boomzilla on Aug 19, 2015 18:59:42 GMT -5
I forgot to tell you Boomzilla in response to the 2 way speakers post. If you were going to experiment then I think those speakers you listed are pretty much what you would want to experiment with! I'm sure they sound fantastic and are likely good competitors! Edit: However don't expect anything close to the -3db point in terms of bass response in your room. What I mostly like about them is that although the three speakers are all "small monitor" style speakers, they are sufficiently different that they'll offer some variety. The Janszens, in particular, with their electrostatic tweeter, are likely to sound differently from the two others that use dome tweeters. The ProAcs, with their larger woofers, may work exceptionally well in my room due to their narrowing dispersion near the crossover point. The LSA-1s are as close to "conventional" monitors as can be. Their two-way 6.5" woofers and silk dome tweeters are similar in design to at least a hundred other speaker models on the market from ALL price ranges. Fun, fun, fun till her daddy takes the T-Bird away! Boom.
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Post by vneal on Aug 20, 2015 7:00:02 GMT -5
My guess is that the ProAcs will be the preferred speakers of the three
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Post by Boomzilla on Aug 20, 2015 7:02:09 GMT -5
Based on expectations, maybe. The Janszens, with their electrostatic tweeters, may surprise, though.
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Post by Boomzilla on Aug 20, 2015 13:35:54 GMT -5
The LSA-1s arrived today. Now I need to set'em up.
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Post by 405x5 on Aug 20, 2015 14:48:28 GMT -5
To start with the conventional wisdom: Speakers with drivers as close as possible to each other enhance imaging. Speakers with a minimal front cabinet profile enhance imaging Speakers without grilles and without diffracting surfaces on the motor board enhance imaging Speaker placement away from all room surfaces (including floors) enhances imaging Wider speaker placement usually enhances imaging Toe-in is critical for enhancing imaging Now if all the above are true, there's no way to make a multi-driver tower speaker image like a mini-monitor. But all the above may or may not be true. So which are true, which are false? How does one get the best imaging out of a large, multi-driver tower speaker? Thanks - Boom How about being able to alter the imaging via remote control? That's what I do with the speakers pictured above (Allison Acoustics IC-20 loudspeakers)
IC stands for image control. By using the supplied remote, the speakers output can be shifted to the outer panels, or inner, or any combination there of. While doing so, the output power of the system remains constant only more or less volume goes to either panel. The "default" position is full output both panels, which I use all the time. The woofers are not in the loop and remain equal regardless of the selected panel.
Bill
Attachments:
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Post by Boomzilla on Aug 20, 2015 15:19:07 GMT -5
Allison made (makes?) FINE products! They're in the league of Thiel & Revel in my book.
So in short - How cool!!!
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Post by 405x5 on Aug 20, 2015 16:31:06 GMT -5
Allison made (makes?) FINE products! They're in the league of Thiel & Revel in my book. So in short - How cool!!! Past tense is correct, unfortunately.
Luckily I have collected a lifetimes worth of spare parts and such to keep it going.
When the writing was on the wall, so to speak (out of business) back in 2000, I started collecting. The speakers pictured were my last acquisition in 2012. They were boxed up for 20 years all together. ( A story in itself)
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djreef
Sensei
Thoroughly enjoying my Schiit
Posts: 353
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Post by djreef on Aug 28, 2015 12:36:33 GMT -5
To start with the conventional wisdom: Speakers with drivers as close as possible to each other enhance imaging. Speakers with a minimal front cabinet profile enhance imaging Speakers without grilles and without diffracting surfaces on the motor board enhance imaging Speaker placement away from all room surfaces (including floors) enhances imaging Wider speaker placement usually enhances imaging Toe-in is critical for enhancing imaging Now if all the above are true, there's no way to make a multi-driver tower speaker image like a mini-monitor. But all the above may or may not be true. So which are true, which are false? How does one get the best imaging out of a large, multi-driver tower speaker? Thanks - Boom How about being able to alter the imaging via remote control? That's what I do with the speakers pictured above (Allison Acoustics IC-20 loudspeakers)
IC stands for image control. By using the supplied remote, the speakers output can be shifted to the outer panels, or inner, or any combination there of. While doing so, the output power of the system remains constant only more or less volume goes to either panel. The "default" position is full output both panels, which I use all the time. The woofers are not in the loop and remain equal regardless of the selected panel.
Bill
Those are bad ass! Do they incorporate any type of crosstalk cancellation algorithms? I know Roy Allison was dickering with that type of tech about 25 years ago (around the same time that Polk was moving away from it). I just wasn't sure if any of it eventually made it into an 'end product', or not.
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Post by 405x5 on Aug 28, 2015 14:32:48 GMT -5
That's a good description and I agree.
Unfortunately, I have no answer for you regarding "crosstalk cancellation algorithms" as you put it.
25 years ago, Allison Acoustics was in big trouble and the IC-20 (pictured above) was a last ditch effort to get the company back on it's feet.
Introduced in 1987 with an initial order of only 100 cabinets (50 pair) the loudspeaker was Allison's greatest achievement, yet failed in the market place.
The company went out of business in the 1990's and Roy Allison formed a new company called "RDL Acoustics" featuring smaller cost effective speakers and surround sound packages.
Nothing like the IC was ever seen again, except in 2000 when the original company was resurrected by Financier David Faulkner, who brought back the original line (and improved supposedly) versions of the Allison One (a smaller version of the IC 20 with 6 drivers each instead of 10)and other models. That attempt also bombed out, unfortunately.
Bill
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