JBL/UREI and Amps. I have never heard the above. Anyone have any experience with these amplifiers? If so what were your. Vintage JBL / UREI Electronics. Manuals · · · · · B Specifications. Power output: watts per channel into 8Ω (stereo), W into 8Ω (mono). Frequency response: 20Hz to 20kHz. Total harmonic distortion:

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JBL UREI 6290 1200w Stereo Power Amplifier

Results 16 to 30 of What do you recommend to clean the inside of the amps? What I saw on the scope just blew my mind! On the left channel the positive half of the sine wave was clipped about half way up, but the negative part of the sine wave was OK.

Uei soon as I went balanced between the amps and the crossovers all my ground loop problems vanished.

Vintage JBL-UREI Electronics

With a conventional PS they retain enough reserve power and won’t crap out if the AC line voltage gets a little weird.

One of the few amps on the market that you will actually double your power output going from 8 ohms x 2 to 4 ohms x 2. This page was generated in 0. Originally Posted by jcrobso. I use adriving low end in a biamped Altec set. DC offset on channel A was 0 and channel B it was 0.


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Cleaned fan and board. From what I saw on the scope I though it should have sounded much worse than it did!

Thanks guys I appeciate your input fellas. As a well known Hafler man At the rate I am going it’ll be a year before they are in boxes. The studio has JBL A speakers. The fan is very noisy. Come across two mods on both sides with makes me wonder if its factory done or by a service centre somewhere in its life.

I had a line just for them in my electrical pannel. I’ve never tested mine but with that long row of Sanken’s in there I don’t doubt it has a lot of power to spare.


Originally Posted by DL Last edited by Ken Pachkowsky; at The time now jbk They’re pretty heavy at about 70 lbs. I have an old Urie catalog, I’ll dig it up and see what else the say about the sense lines. When turned on all at once from a remote pannel they will trip breakers in your house. Not exactly, got a pair of s yrei the HT set-up. The has a large finned heatsink at the back and no fan.

Originally Posted by speakerdave. The reason that we love JBL is because of their low distortion.

Pictures and images JBL Urei – Audiofanzine

Hello Ken I am quad amping using cascaded actives works fine. I have a pair of amps and currently use them to power four BassTech7 ServoDrive concert subs that weigh in at almost a half ton.

Last Jump to page: Widget I can click “Buy it Now” much faster than I can keep up in the shop.