jea48
Responses from jea48
| Help - static noise in speakers yogiboy said: 04-18-2025 at 03:51pm Swap the left and right tubes and see if the static moves to the other speaker! If it does you have a bad tube! Did you try swapping the left and right channel tubes? | |
| Help - static noise in speakers Could just be dirty signal tube pin to tube socket connections. Pull and reinsert signal tube(s) in tube socket a few times. The friction should clean the connections. | |
| Why whole house surge protectors are not enough If you talk to the folks at ZeroSurge, they will tell you that you need point of use rather than whole house because most surges are emanating from inside the house. It’s true most high voltage transient surges are created by induction motor lo... | |
| Directional wires/cables Video presentation, history timeline of events. The Hidden Story Behind Maxwell’s Equations It’s just wire... Is it? Galen Gareis, Engineer and Designer of Iconoclast Audios TIME… Galen Gareis . | |
| polishing pins of NOS tubes If that is what you mean, a small strip of metal cleaning/polishing cloth should work, followed by a cleaning with 91%+ alcohol. +1 If the tubes are small signal tubes, take care cleaning the pins if gold plated. FYI, I remember reading a thr... | |
| Power Cords/ Conditioner/Surge Protectors The surge was caused by a pole mounted transformed that exploded. it blew the top right off and it burned until the fire department put it out. @joshua43214 That was not a transient surge. That was high voltage overvoltage created by ... | |
| Power Cords/ Conditioner/Surge Protectors Nearly all surge suppressors use MOV’s. MOV’s fail silently with no warning. They go bad from repeated micro-surges. It is recommended by many that you replace your surge suppressors every year or 2 depending on where you live. I lost $14,00... | |
| Did I just cook my preamp? https://www.homedepot.com/b/Electrical-Electrical-Cords-Extension-Cords-GFCI-Plugs/GFCI-Outlets/N-5yc1vZcgerZ1z0p5yb FWIW. The OP can not take the chance of changing the wall outlet to a GFCI duplex outlet. No way... The OP could lose the pow... | |
| Did I just cook my preamp? @obarrett Here is a photo of an old 3 wire rubber/cloth covered wire, steel armored BX cable. https://i.sstatic.net/pvjp6.jpg I assume the outlet box that is now blanked off was the Hot 120Vac ground contact duplex receptacle outlet. I hope th... | |
| Did I just cook my preamp? @obarrett Said: One, there was actually only one wire feeding this outlet. The wire on the left side of the receptacle was connected to nothing. Not Quite... The wire broke when the electrician pulled the outlet and wire out of the box. Elec... | |
| Did I just cook my preamp? @obarrett Correction: Edit: Did the electrician say what type of branch circuit wiring it is? It could be BX steel armored cable. It probably comes through a hole in the back of the box and the clamp holds it in place. In the third photo I thi... | |
| Did I just cook my preamp? Old rubber cloth covered insulated copper wire. This is why I advise a non electrician do not pull an outlet out of a wall or ceiling box in a really old apartment building, or an old house. The building Landlord has mess. An expensive mess. And... | |
| Did I just cook my preamp? @obarrett https://youtube.com/shorts/t1jazBAT3M4?si=uweJOKoK0xRxrYDH In your video, when you measured for voltage from the receptacle ground contact to the heat radiator the test probe connection to the receptacle ground contact was poor. The 1... | |
| Did I just cook my preamp? I spoke to the landlord/my point of contact for the management company yesterday. He repeatedly told me he ‘never had any trouble with the electricity’ in my apartment until now. I don’t think I can make him understand just how serious this is. ... | |
| Did I just cook my preamp? @obarrett I sent you a PM. Click on the two Web Links. Especially the Reverse Polarity Bootleg Ground Testing Video. Just in case the electrician only uses a plug in circuit tester and says they look Ok to him. . . 04-01-2025 at 01:... |