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All times are GMT I presume it is HZ. See the attached pic That’s what I’ve been doing so far in driving my in a bi-amp mode. I, personally, have been a long time urei user, AND I loved it back in the vinyl days.

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What do you think? XLR input and output connectors.

DSP crossovers also have the option of selectable filter types as well. Wide bandwidth, flat response; 10 Hz to 40 kHz.

JBL M552 average used price

LF summing combines both channels for subwoofer applications where only one mono channel is needed. Originally Posted by Baron Another thing, is while I still do love the sound of theI love it with certain speakers, and NOT with others.

Seeing as that was almost a decade ago, I wouldn’t wait up for a reply. If you can get one cheap and spend some money to clean up the power supply caps and such, its probably fine, but if you want to upgrade from what you have – there are better crossovers around. The time now is The other thing about 24db slopes, is they are acoustically in phase at crossover point, 18db is considered out of phase at crossover point.


Sometimes, its a bitch getting the EXACT setting you had when you futz with the trying to dial it in to sonic perfection. Wide bandwidth, flat response; 10 Hz to 75 kHz. User adjustment of Threshold, Attenuation, Attack and Release controls.

I have found that although my modded ,s have an enchanting sound for analog, vinyl playback, it is NOT always the best when it comes to playing CD. You will also want to have the silver contact wafer switches cleaned. Thanks for your kind reply. That is a known problem with the Yet still another known problem, most ,s had waffle IC sockets, so, the IC plugs into the socket, and these can be intermittent.

Subsonic filtering for protection of low frequency transducers from over excursion. You may want to consider better diodes high speed, soft recovery, Vishay diodes come to mind for the jlb supply rectification as well.

JBL M average used price – Audiofanzine

The result is a system that delivers balanced power response across both the horizontal and vertical planes for superb coverage. The time now is 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.


As well as any frequency you desire can be dialed in, and the output jb, controls allow one to find those in between settings, unlike detented controls with their factory settings in 1DB increments.

But, 18db Butterworth sums flat at unity, which I think sounds nicer. RF filtering to defeat extraneous noise and ultrasonic oscillations.

So, if you are going to change the caps, then change the diodes as well. Without having ever seen a urei schematic, upgrading from 1,mfd to 2,mfd caps should reduce the hum level by about 6.

Gate function with independent Threshold control for each channel. With just about EVERY speaker I, and my friend, who also does commercial audio, we just find 18db Butterworth filters allow us jbll create a much more seamless sound with 3 way or 4 way active setups. If you have an RTA you can use that to determine where you are.

Fantastic power supply, discrete jjbl, and high quality components, with superb engineering at work here. Thanks a lot for your feedback and advice.

Have you jb, Bo’s comments on his system?