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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Output DC on the speaker terminals was measured at mV.
Discussion in ‘ Solid State ‘ started by miscrms00Oct 21, Log in or Sign up. Luckily the cleaning seemed to 620 done it, and both channels were now strong and reliable with no change from pressing on the it and flexing the board.
I also checked the bias on the output devices which seemed to be a bit hot at about 620. 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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SoCal SamOct 21, No, create an account now. The power supply caps and troublesome electrolytics in the speaker relay circuit all looked to have been replaced already.
A few useful links: My pair seemed to loaf all the time, you couldn’t tell if they were on by touching the top. I also checked the voltage on the coil pads on 66260 board and it measured 25V without the relay present.
JBL | Audiokarma Home Audio Stereo Discussion Forums
At that point I was thinking I might have to replace the relay, so I removed it from the board completely. I couldn’t find an official spec in the manual linked, but one of the threads above claim its 0.
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You must log in or sign up to reply here. Share This Page Tweet. Boat anchor transformer that makes the amp tricky to move around. I’m just using a jb of JBL surrounds to test right now, but 6620 happy to find there was no hum or hiss at all with both channels set for max output.
They have all the right stuff for great sound. Here’s the system I’m slowly putting together: Connecting speakers and pre-amp I found that I only had output on one channel and that seemed a bit soft. Couldn’t tell any difference in volume or clarity, so left it there.
Anyways, can’t keep them all, the ‘s did not survive a sell off. Just thought I’d share my experience bringing an ebay bjl JBL into service. Your name or email address: Yes, my password is: I had a pair of ‘s.
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. Coil voltage now read Plenty of metal die T outputs for more than adequate power handling. Thankfully there are some great threads out there that helped me a lot.