Like pfiuuuuu....and than thump...and woofer cone movements....
Check Bernd Ludwig's text ....google it.
It is because op amp shuts down before rest of the amp....
You can modify a lot....add a lot ....or just leave as is. It is nothing wrong with your amp it is just old Quad.
Cheers, Taj
Check Bernd Ludwig's text ....google it.
It is because op amp shuts down before rest of the amp....
You can modify a lot....add a lot ....or just leave as is. It is nothing wrong with your amp it is just old Quad.
Cheers, Taj
I'm afraid yes.
Did you check supply voltage at op amp? It should be +-15V. I don't know about 134 op amp but if it draws too much current...
Check datasheet or measure it. And be careful. Don't short something.
If noise bothers you it is possible to install some sort of dc protection using relay which act as power on delay as well. There is plenty of such ideas around. Just google it. Again ,,Bernd Ludwig,, text. It is a lot useful information there.
Cheers
Did you check supply voltage at op amp? It should be +-15V. I don't know about 134 op amp but if it draws too much current...
Check datasheet or measure it. And be careful. Don't short something.
If noise bothers you it is possible to install some sort of dc protection using relay which act as power on delay as well. There is plenty of such ideas around. Just google it. Again ,,Bernd Ludwig,, text. It is a lot useful information there.
Cheers
Hi ..
First one is Ludwig Bernd text for which I already posted link and the other is this one.
So check both and decide.
Cheers, Taj
QUAD 405 Amplifier Information and Modification
First one is Ludwig Bernd text for which I already posted link and the other is this one.
So check both and decide.
Cheers, Taj
QUAD 405 Amplifier Information and Modification
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