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Re: Oh My God! Polyplanars Have Been Re Incarnated !

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In Reply to: Oh My God! Polyplanars Have Been Re Incarnated ! posted by ka7niq on March 9, 2005 at 11:58:05:

I picked up a pair a few weeks ago.
Good construction.
Fill the room nicely with modest power.
Good detail and dispersion.
I tried them with MAC 40s with good results then a push pull DHT DIY amp with fuller sound.
Depending on the music you like they'll need a sub.
Let us know how you make out removeing the tweeter. That's the week point in the speaker.

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Well, There May Be Several Options Open Thanks To... - ka7niq 20:33:10 03/09/05 (0)
The wide range SRS Poly Planar driver.
It goes out to 10k, so perhaps simply changing the tweeter to a really good dome, and leaving the first order crossover frequency alone.
But yours are only a few weeks old, perhaps the tweeter needs to have its suspension stretched ?
Of course, if one is willing to sacrifice dispersion, one could simply raise the domes tweeters crossover point way up, like up at 7K or so.
One would then have an almost full range driver.
You would have to toe the speaker in, and the sweet spot would be narrow, but directional speakers tend to get real holographic because they take the room out of the equation more then wide dispersing ones do.
Re: Oh My God! Polyplanars Have Been Re Incarnated ! - Pete Whitley 17:41:42 03/09/05 (3)
Hi Scholl,
I'll take that as you like the speaker and thought it was well worth $200. I just bought a pair myself. Do you like them more than MMG's? What do you not like about the tweeter?
Thanks,
Pete
- Re: Oh My God! Polyplanars Have Been Re Incarnated ! - Scholl 14:06:58 03/10/05 (1)
  I like the speakers.
  It's been way too long since I've heard Maggies so I can't say.
  To me the speaker sounds rough at around the crossover like maybe the tweeter isn't suited for that low and shallow of a crossover.
  I use the SEAS 27TDC in several designs including a simple 12" two way with the JBL 123A-1. The woofer has a 1.1mh choke the tweeter an 8uf cap and 2ohm resistor. That tweeter can handle the 6db crossover that low without honk or a stressful sound.
  I'm not sure how these speakers are put together or how easy it would be to swap tweeters.
  They play smoothly and loud enought to fill the room but they woun't rock the house.
  The fit, finish and service from SRS is first rate. It was a very smooth and fast transaction, less than a week.
  - Why Swap The Tweeters ?? - ka7niq 20:11:53 03/10/05 (0)
    If, after break in, the tweeter does what you say, heres what i plan to do.
    I would simply raise its crosover point until it sounds good, and aim the panels right at me.
    The panel will go right out to 10k I was told, but how well, or how directive is anyones guess ?
    Mine will be here Monday!
- Re: Oh My God! Polyplanars Have Been Re Incarnated ! - CdnAudio 10:17:59 03/10/05 (0)
  What is the sound like compared to your maggies - I have a pair of 12's and my girlfriend loves them but her room is not set up well for the Maggies and she only has a 50wpc Rotel Amp - would these be a suitable substitute?
  Thanks.

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