7 results in 0.0036 seconds.
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Acoustic 450 Inrush Instability Issues
I’m new to this forum and this is my first post. I have an Acoustic 450 that has been awesome until I moved 6 years ago and put it in storage for 4... -
Very odd behaviour of preamp tube in vintage Gibson amp ("dancing voltage")
Hi all.
I have this old Gibson GA-18T amp (which actually matches to a tee the GA-16T schematic attached).
It works well and sounds very good,...Last edited by slidincharlie (Carlo P); 01-04-2024, 01:16 PM. -
Harman Kardon PM655 strange value fo voltage
Hi,
After the schematics (power supply zone) ; instead to have on collector +35.6v for Q5 2SD669 and -35.6 v for Q6 2SB649 i have 40.7v and -40.7v...Last edited by Amapola; 02-27-2020, 06:37 PM. -
Harman Kardon ; strange value of voltage
Hi,
After the schematics (power supply zone) ; instead to have +35.6v for Q5 2SD669 and -35.6 v for Q6 2SB649 i have 42v and -42v ! For the... -
5F1 cathode resistor voltage extremely high
Hello, I don't post here often, but I'm attempting my first build after having a bit more of a formal understanding on how all this stuff works. I'm having... -
Ampeg Gemini VI--Anybody PLEASE have a schematic with voltages?
Howdy folks. Long-time forum browser, first time poster here. My current project is an Ampeg Gemini VI rebuild. I have the widely available Joe Piazza schematic,... -
Ef86 preamp stage plate voltage too low
I am relatively new to this forum but I can see some really experienced guys here. So here is my little problem. I've just been trying out a new preamp...
