jea48
Responses from jea48
| Did I just cook my preamp? @devinplombier said: This thread has become surreal. . devinplombier post: 446 posts 03-29-2025 at 11:48pm In response @obarrett said: isnt that it? 69Vac on LoZ is a major issue, right? @devinplombier response: It’s most likely a... | |
| Anyone wear gloves to handle vacuum tubes? Used to. Not so much any more. The reason it was recommended years ago was a myth. As for the oils on your fingers, the oil won't in soak, penetrate, through the glass envelope of the tube, therein the myth, But it will smear the fragile labeling... | |
| Did I just cook my preamp? I forgot to mention in my above post that the EGC for the TT has to be open, broken, somewhere. It could be at the wall outlet the TT is plugged into or it could be open, broken, at the other side of the TT IEC EGC ground prong inside the TT, or t... | |
| Did I just cook my preamp? @obarrett said: i unplug the preamp from power. [ME (Dead NO power)] I unplug all interconnects from preamp. I leave the grounding wire connected, which grounds the preamp to the record player tone arm. I put one lead of the multimeter in the ... | |
| Question for Atma-sphere, will expensive power cables improve your amplifiers? @faustuss | |
| Did I just cook my preamp? @obarrett said: his wouldn’t be a big deal if the three other RCA inputs still worked. Last weekend I connected the preamp to analog input 4 on the amp and it made the same soft bump sound. I just remembered the blue sound node also has an integ... | |
| Did I just cook my preamp? @obarrett Said Note... Inside heavy light gray line is me. Outside heavy light gray line is you. Saturday, check for voltage from the outer shell of the output RCA jack of the phono preamp to the outer shell of the analog input RCA jack on the... | |
| Did I just cook my preamp? @obarrett Said: I will answer this first. I’m obviously leery of connecting them again but if there’s some way to do so safely I might be willing to try. Thanks for all your help. NO, I wouldn't if it was my equipment. I haven't mentioned it... | |
| Question for Atma-sphere, will expensive power cables improve your amplifiers? @faustuss The Audiogon forum program is a little antiquated to say say the least. If you want to post a quote you need to use the two quote thingies in the header of the message box. They are similar to these. Quotation marks . Click on quotat... | |
| Question for Atma-sphere, will expensive power cables improve your amplifiers? Please! It's just a freakin' wire! Mojo Digital Power Cord What was wrong with the OEM power cord that came with the equipment you installed the audiophile power cord on? https://www.audiogon.com/systems/11950 . | |
| Did I just cook my preamp? @mark200mph I could be wrong, ( the amp hasn’t been checked out yet) but I think the phono preamp is the problem. I base that on this resent post from the OP. 03-28-2025 at 08:52pm But since all this I’ve listened to about 3 hours of music u... | |
| Did I just cook my preamp? @obarrett I don’t remember reading a post where you responded to this. If you did not read, measure, high voltage, or any voltage... Question... Is the SMPS 120Vac plug in blades the same width or is one wider than the other? Therein polarized... | |
| Did I just cook my preamp? @obarrett Said: Yes I verified your question about subwoofer in earlier comment today. The subwoofer pins are only two even though the power cord has three prongs. So I assume it’s ungrounded. But note the CDP is grounded and the amp is sitting ... | |
| Did I just cook my preamp? @obarrett Said: I think I messed up on the DC measurements, i think they were AC. so let me try again: SMPS (one lead in ground of OEM ITC, the other on the sleeve contact of the SMPS): 0.6 mV DC on V 0.0 mV DC on LoZ SMPS (red lead center, b... | |
| Did I just cook my preamp? SMPS (one lead in ground of OEM ITC, the other on the sleeve contact of the SMPS): 48V on V 0.13V on LoZ thoughts? 48V AC on V Might not be real power. 0.13V on LoZ real power .... ??? Thinking on this one. . SMPS (red lead center, blac... |