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Messages - tedsorvino

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Will do Phatt. The thing is I ve got no idea what the optimum voltages are in general. Usually op amps have half of the supply on most pins. Am i right?

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Thanks for the advice Phatt. I m quite familiar with electronic projects and i ve already opened the box. Done it several times actually. I ve tried the patch trick...but to no good results.

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Amplifier Discussion / Carlsbro Glx documentation - pre amp problem
« on: March 16, 2018, 10:19:52 PM »
Hi. I'm using an old Carlsbro Glx 80 for about 20 years now.
It's well maintained but suddenly the preamp section on both channels went really weak (I checked the other sections - power amp in, effect send- and they work fine) .
I can't figure out what could have gone wrong since all the mechanical parts work ok....Leads, pots, etc. .
I 'm not sure how it is constructed so I'm looking for any relevant or specific documentation (service maual, schematics etc.) of any model of the Carlsbro GLX series- especially something close to this one.
Thanks in advance

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Schematics and Layouts / Carlsbro Glx documentation - pre amp problem
« on: March 16, 2018, 10:19:12 PM »
Hi. I'm using an old Carlsbro Glx 80 for about 20 years now.
It's well maintained but suddenly the preamp section on both channels went really weak (I checked the other sections - power amp in, effect send- and they work fine) .
I can't figure out what could have gone wrong since all the mechanical parts work ok....Leads, pots, etc. .
I 'm not sure how it is constructed so I'm looking for any relevant or specific documentation (service maual, schematics etc.) of any model of the Carlsbro GLX series- especially something close to this one.
Thanks in advance

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