xcrounse
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Thank you, Glitch and Kronzilla. I truly appreciate your comments. I did find a technician who was able to fix the problem causing my speaker amp to overheat. He made some minor adjustments and replaced a “transistor”. Now the speaker is performing perfectly. I also had him examine my Beogram CD50. The CD tray wasn’t opening and closing as it should and my CDs would no longer play. His verdict was that the CD laser was too weak to “read” the CD and he didn’t think it would be possible or economically feasible to fix the player. Good think I digitized all my CDs years ago. Now, I have to decide if I want to sell the Beogram CD50 for parts or recycle it. It pains me to do this because cosmetically, the CD player is in nearly perfect condition.
I’ll take your advice and not poke around too much. I might find things I don’t want to know about. I agree that addressing the hot-running amp is the highest priority right now. I came across a 5-hour video on YouTube from a guy named Dave who does a complete rebuild of the Penta amplifier. Amazing, but way beyond anything I want to attempt.
Again, kudos to you for your willingness to engage. Thank you!
Glitch, thanks once again for sharing your knowledge with me. It’s not often that someone will take time to share their wisdom with a stranger. I especially appreciate the link to beoparts-shop. Whether I decide to dive in myself or hand this project off to an expert (if I can find one), the information you provided will be helpful. Replacing the mid-range foam looks like a do-able but time-consuming process. Seems each mid-range speaker would take an hour or more x 8. I don’t even know yet if I’ve got a foam problem, but I suspect after 30+ years there’s got to be some degradation. I notice both foam and rubber replacements are available. Do you or other experts have a preference? Once again, thank you so much for your correspondence.
Glitch, thanks for your response. Although I am savvy in all things digital, I’m certainly no expert in electrical engineering. I’ve watched some YouTube videos and learned a lot about the BeoLab Penta and issues like foam degradation in the mid-range speakers. I haven’t pulled off the grill to examine that issue, although the speakers still sound great to my ears. I’ve mitigated the overheating issue somewhat by reconfiguring my cable connections from my stereo amplifier. I switched from using the in-line audio jack connection on the speakers (that was over-driving my speakers) to using the hard-wired connection option. I also switched the sensitivity selection on my speakers to the minimal setting. I also blew out and vacuumed the vents on the speaker amplifiers.
The right speaker is still running warmer than the left, but I don’t feel like it is getting so hot that it will fry the electronics or catch on fire and neither speaker is defaulting to “yellow light” warning. Your thoughts? Unfortunately, there are no authorized repair options for B&O in the greater Seattle area.
