Advice needed on big sized bookshelves

[18inch]

I'm going to use 2 Seas W22NY001 (http://www.seas.no/index.php?option=...d=72&Itemid=96)

I'm hesitating on which tweeter will offer me a balanced sound with the mids, based on the sensivities, the SS ring radiator looks like a winner, but is it really worth 800$?

Vifa XT25TG30-04 (http://www.tymphany.com/xt25tg30-04-0)
or
Seas T29CF-002 Crescendo (http://www.seas.no/index.php?option=...d=59&Itemid=83)
or
ScanSpeak R2904/7000-09 Ring Radiator (http://www.tymphany.com/r2904-700009)

It will be a MTM setup, JM Lab L&R style, itll be an active setup, all the crossovers are going to be made by the amplifier, woofers on 1amplifier and tweeters on another amplifier (crown xti1000) or a crossover rack mount(behringer maybe) , i'm not going to make a crossover, will this affect something?


any help or directions are welcome, thx

[Bad_mojo]

Have you concidered the Scan-Speak 6600 ($220)

Zaph's review:
"Also known as the "AirCirc" from it's unique magnet and rear chamber design. This tweeter very low non-linear distortion. It takes a few design elements from the XT25 and improves on a few things. Low end distortion is better, and off axis response is closer to normal for a 1" dome."

ref: http://zaphaudio.com/tweetermishmash/

[sdclc126]

This is what he says about the ring radiator:

"This driver is essentially the high end version of the XT25. Performance is indeed a small step up in all areas. Build quality is top notch with a thick metal flange that will never warp. Unfortunately, the price is ridiculous and value is low."

And the Crescendo:

"Seas new flagship tweeter, very expensive. Great build quality and looks, visually matching the Nextel painted woofers. While it does perform a little better than the Millenium, it's still merely average in linear and non-linear distortion, and the price is ridiculous."

[18inch]

alrite, would a xt25 keep up with 2 w22ny001? another thing, would you port the cabin front firing next to the tweeter or rear firing in the middle?