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Seeing as that was almost a decade ago, I wouldn’t wait up for a reply.

Electronics – M Series

If you see the pic, I currently set the crossover at the center bar, namely between and So, not knowing what amps, and speakers you have, I dont know what I would tell you as my 1 choice.

But, 18db Butterworth sums flat at unity, which I think sounds nicer. However, I have moved on, to bryston, and I havent looked back yet. Sometimes, its a bitch getting the EXACT setting you had when you futz with the trying to dial it in to sonic perfection.

Gate function with independent Threshold control for each channel. The m525 Link above is copyrightwhich makes them year old gear.

Jbl M vs JBL/UREI crossover

Servo balanced outputs provide automatic output level adjustment to accommodate either balanced or unbalanced feeds. The one thing I will disagree with about current trends in filter technology today, is slopes, I like 12 and 18 DB slopes.

Have you seen Bo’s comments on his system? Extremely low distortion; THD 0.

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Noise Gate Control Ranges: Results 1 to 8 of 8. As well as any frequency you desire can be dialed in, and the output level controls allow one to find those in between settings, unlike detented controls with their factory settings in 1DB increments.


External key inputs on each channel allows gate triggering from external sources. XLR input and output connectors. Extra Tabs by vBulletin Hispano. I have found that although my modded ,s have an enchanting sound for analog, vinyl playback, it is NOT always the best 5m52 it comes to playing CD.

RF filtering to defeat extraneous noise and ultrasonic oscillations. I just am not totally into digital crossovers at this time, but, at some point, I feel they will get it to the point where I believe digital crossover filters will become indiscernible, sonically, from the best analog jvl.

If you find a mintI will be more than happy to pass modification info to you, and whatever assistance you want, to achieve the best you can get from the When dramatically increasing the size of the power supply m52, it is certainly a good idea to also increase current handling capacity of the rectifier diodes.

IMHO, a “WORKED ” Ureiin the right system, can make some enchanting sounding vinyl playback, but, I’m telling you the known problems of the unit, as well as the fact that I feel that sound can be, and has been surpassed today, especially for digital playback of Cd and downloads.

You may want jb consider better diodes high speed, soft recovery, Vishay diodes come to mind for the power supply rectification as well. Power supply, mfd axial 25v caps stock, good to upgrade to an axial mFd 50v cap, there are three to replace.


This flies in the face of current engineering trends and practices and is to some, highly questionable, but, we find the sound between the ranges to gel together seamlessly, and eminate as ONE using 3rd order butterworth filters, BUT higher order slopes 24db, 36db 48db, etc produce a sound that to our ears, make the ranges BASS, MIDRANGE, HIGHS sound like they are sparate from each other, and lacks the seamless image I consider natural sounding.

The result is a system that delivers balanced power response across both the horizontal and vertical planes for superb coverage. I would have a tech solder the IC,s directly to the boards IC pinouts, or you can do it yourself if your handy with a soldering iron!

And another question is, when ‘s in bi-amp mode, some say it’s better to set the crossover at HZ, rather than HZ. Model SC8 Security Jb. That is a known problem with the I find 24Db to not have quite enough overlap between filter bands, sometimes 12db too much.

External ground link terminals for independent access to signal and chassis grounds, permitting greater flexibility in system grounding. I mean, if you have an excellent tweeter, and your crossover point is hz, you want it to be hz, not hz, or changing drifting on it’s own. Outstanding dB dynamic range for lowest noise and greater headroom, resulting in superb transient response.

If jbo don’t have an RTA just go with what sounds best to you.