Pair of 300hz LR active crossovers from Xkitz - 75ca plus shipping SOLD!
https://www.xkitz.com/collections/a...-way-active-crossover-fully-assembled-xover-2
https://www.xkitz.com/collections/a...-way-active-crossover-fully-assembled-xover-2
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LR4 - they sell modules with different frequencies but all of the center frequencies are LR4 I believe.
Review here
Review here
Hey Joel. I would like to buy them. I live in Montréal so if you are close I could possibly pick them up.
Hi Jazzfan - I'm a huge jazz fan - Pat metheny, Gary Burton, Dewey Redman etc, etc, saw them in Montreal
I'm in Ontario, would have to ship, thanks!
I'm in Ontario, would have to ship, thanks!
Favourites: Dexter Gordon, Kenny Burrell, Sonny Clark, Miles (of course), Oscar, Sarah Vaughn, Ella, and many more!
Huge on Parker, Trane and miles and so many more, Free jazz, Avant garde, on and on.
I'll PM about shipping. Thanks
I'll PM about shipping. Thanks
I´ve tested the calculator at http://www.xkitzconnect.com/files/L...FNJBMkEG3DIi4GIQureteKTIJmQ4ViVVl_DwaKY3M6o2Y for fc = 1000 Hz. I got R =7.503 kilo-ohms but later, simulating it with LTspice and LT1028 opamp, I didn't obtain the target response (Linkwitz-Riley, 4th order). First, the transfer function is far away of a LR-4th filter, for both. low-pass and hi-pass. Second, there is a severe attenuation (-20 dB) for the hi-pass band. Do I have errors on realizing the LTspice simulation?
Please see the attached file. I will appreciate too much your comments.
Please see the attached file. I will appreciate too much your comments.
I'm also sending an Excel file with my calculations to compare the response of the LTspice simulation, after exporting the results as "txt". I apologize because its titles are in Spanish, but I hope you don't have troubles with that.
Kind regards.
Kind regards.