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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Hello Ken I am quad amping using cascaded actives works fine. More over at this thread: I had ground problems too then I changed amps to all Crown PS’s and got the balanced input boxes for them. As a well known Hafler man They are big and heavy but if you have the rack space probably the best deal in ureo power amps. What I saw on the scope just blew my mind!
I have a replacement fan sitting on a shelf as the older stock fans are a bit loud. I have an old Urie catalog, I’ll dig it up and see what else the say about the sense lines. One of jvl few amps on the market that you will actually double your power output going from 8 ohms x 2 to 4 ohms x 2.
Images : JBL Urei 6290
If so what were your impressions. Hbl have a pair of amps and currently use them to power four BassTech7 ServoDrive concert subs that weigh in at almost a half ton. Let me throw this out for opinion’s: This message comes from JBL Dog. He does not feel the need to bridge it for mono mode 1xWatt 8 Ohms. Cleaned up urrei in my center channel too. I reduced this amps bias down to mV. I would go biamp with a like Bo says.
More than enough power, of course.
When turned on all at once from a remote pannel they will trip breakers in your house. Would be watts per side. All times are GMT They are a conservatively rated amp with a conventional power supply, four rack spaces and hefty at 60 pounds or so.
Jjbl Westlakes are 4-way. The has a large finned heatsink at the back and no fan. Thanks for the info guys, will let you know if I get them. I took the DC to the shop and hooked it up, put 8 ohm resistors on and put a 1khz sine wave in, hooked up a scope.
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I have three of the ‘s and they are outstanding amplifiers, IMHO. These amps seem to have a very solid build quality and are available at what seem to be very reasonable prices. A friend of mine here in Sweden uses these models for ruei H and studiomonitors. Thanks guys I appeciate your input fellas.
JBL/UREI and Amps – Page 2
Extra Tabs by irei Hispano. Be aware that the has a two-speed fan, so you’ll want to be using that in an environment where that is OK. The time now is I need a Ca source to work on the amp if it ever needs it?
Nice Sanken output devices, large transformers, very high build quality, thick chassis, modular design assembly, strightforward cicuritry with decent feedback.
Last Jump to page: Last edited by Ken Pachkowsky; at Didn’t realize at the urek how much noise I was living with that I just got used to. I use adriving low end in a biamped Altec set. I don’t get hung up on amps.
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. Nice clean sinewave and no crossover distortion. Good product and on the second hand market good value for money.
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. The fan is very noisy. Fan seems much quieter with a drop of oil. All times are GMT Nice to hear from you Tom.