Thank you for answers. It's Norwegian preamplifier Musical innovation mi 25. They have nice one Mi 23.5 but expensive ☺️ Musical Innovation
If they are what I think they are you can adjust the offset voltage to ZERO if they are not near that .
The purpose is to cut down any DC current getting through to a power amplifier if the power amplifier is DC connected .
Op Amp Offset Null >> Electronics Notes
scroll down to-- op-amp offset null.
The purpose is to cut down any DC current getting through to a power amplifier if the power amplifier is DC connected .
Op Amp Offset Null >> Electronics Notes
scroll down to-- op-amp offset null.
Post #6 by the OP-- quote --"I replaced those op amps"--done deal so it has to be dealt with.
I do agree you should use a schematic but how many times on here is advice given when no schematic is available ?---countless times.
If the OP has the technical ability to replace the audio IC,s and it sounds good to him then why stop him now ?
I do agree you should use a schematic but how many times on here is advice given when no schematic is available ?---countless times.
If the OP has the technical ability to replace the audio IC,s and it sounds good to him then why stop him now ?
He has already worked on his "car " , so you are saying - done work on it ?-- I wont be looking at it then --that's a bit arrogant considering this is a DIY website and sounds like many commercial companies whose small print bans the purchaser from repairing it himself .
Thats exclusivity in the UK this is a big issue with companies not holding spares for the public changes are being made and the same objections come from the companies who had to be dragged kicking and screaming to provide a more open spares system.
Thats exclusivity in the UK this is a big issue with companies not holding spares for the public changes are being made and the same objections come from the companies who had to be dragged kicking and screaming to provide a more open spares system.