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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I not putting down any one for their like or dislike of any brand of amp. Forum Permissions You cannot post new topics in this forum You cannot reply to topics in this forum You cannot delete your posts in this forum You cannot edit your posts in this forum You cannot create polls in this forum You cannot vote in polls in this forum.

As a well known Hafler man More than enough power, of course. With a conventional PS they retain enough reserve power and won’t crap out if the AC line voltage gets a little weird.

JBL UREI 6290 1200w Stereo Power Amplifier

As soon as I went utei between the amps and the crossovers all my ground loop problems vanished. Results 16 to 30 of I had ground problems too then I changed amps to all Crown PS’s and got the balanced input boxes for them.

Next I am buying a Ureo. My Westlakes are 4-way. The fan is a bit noisy but cools the heatsinks very well. More over at this thread: What I saw on the scope just blew my mind!


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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. If anyone wanted the info for a Urie amp I could scan the pages and e-mail them to you. Cleaned fan and board. All the ‘s amps in my ownership seem to have their bias set at mV. I don’t get hung up on amps. This page was generated in 0. The amp would then detect jl voltage generated by the speaker s voice coils and compensate for it, makeing for a very high damping factor.

Thinking of grabbing a couple of them. The time now is Thanks guys I appeciate your input fellas. Nice to hear from you Tom.

You can of course have the same problem with a 2-way system. See if you can spot them.

When turned on all at once from a remote pannel they will trip breakers in your house. Fan seems much quieter with a drop of oil Come jl two mods on both sides with makes me wonder if its factory done 6209 by a service centre somewhere in its life. Nice clean sinewave and no crossover distortion. Cut track to IC and resistor soldered to diode. Would be watts per side. Originally Posted by jcrobso. Gives you more flexabillity.

This message comes from JBL Dog. The people said the speakers were bad, I doubted that it was the speakers. Originally Posted by DL Hello Ken I am quad amping using cascaded actives works fine. The reason that we love JBL is because of their low distortion. They are a conservatively rated amp with a conventional power supply, four rack spaces and hefty at 60 pounds or so.


Last Jump to page: Jbl 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. I use adriving low end in a biamped Altec set. On the right channel ureei negative part of the sine was was clipped and the positive part was OK.

Experiment too maybe but that sure makes sense. This is very high amplitude distortion, but it didn’t sound terrible, just kinda fuzzy.

Pictures and images JBL Urei – Audiofanzine

These amps seem to have a very solid build quality and are available at what seem to be very reasonable prices. The fan is very noisy.

Originally Posted by speakerdave. Come across two mods on both sides with makes me wonder if its factory done or by mbl service centre somewhere in its life. Be aware that the has a two-speed fan, so you’ll want to be 62990 that in an environment where that is OK. The studio has JBL A speakers.

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.

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