Find great deals for JBL Urei Electronics watt Power Amplifier THX. Shop with confidence on eBay!. Jbl Pdf User Manuals. View online or download Jbl User Manual, Instruction Manual. Have a chance to purchase a amp decent?? Did JBL produce their amps or did they farm them out?? In the past, I found several for.
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SoCal SamOct 21, Just thought I’d share my experience bringing an ebay bought JBL into service. Share This Page Tweet. I’m just using a pair of JBL surrounds to test right now, but was happy to find there was no hum or hiss at all with both channels set for max output.
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Thankfully there are some great threads out there that helped me a lot. My pair seemed to loaf all the time, you couldn’t tell jvl they were on by touching the top. Here’s the system I’m slowly putting together: After it dried out I replaced the cover, glued back on the magnet that had fallen off and soldered the relay back onto the board to test.
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At that point I was thinking I might have to replace the relay, so I removed it from the board completely. I reflowed the solder on the relay pins on the back side of the board, as well as a number of the other components in that area but still no change. They have all the right stuff for great sound.
Do you already have an account? Connecting speakers and pre-amp I found that I only had output on one channel and that seemed a bit soft. Boat anchor transformer that makes the amp tricky to move around.
Couldn’t tell any difference in volume or clarity, so left it there. The power supply caps and troublesome electrolytics in the speaker relay circuit all looked to have been replaced already.
JBL Urei Electronics watt Power Amplifier THX | eBay
A few useful links: I also checked the bias on the output devices which seemed to be a bit hot at about 0. Discussion in ‘ Solid State ‘ started by miscrms00Oct 21, Yes, my password is: Your name or email address: I couldn’t find an official spec in the manual linked, but one 660 the threads above claim its 0.
Anyways, can’t keep them all, the ‘s did not survive a sell off. Plenty of metal die T outputs for more than adequate power 62260.
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Luckily the cleaning seemed to have done it, and both channels were now strong and reliable with no change from pressing on the it and flexing the board. I had a pair of ‘s. Coil voltage now read Output DC on the speaker terminals was measured at mV. I bjl checked the voltage on the coil pads on the board and it measured 25V without the relay present.