14-10-2016, 05:36 PM
Hi.
If it was a fault in the NFB then I'd expect the gain to be significantly higher and there could be a big change in frequency response.
Don't discount parasitic oscillation if the amp has been "serviced" in the past.
If it was a fault in the NFB then I'd expect the gain to be significantly higher and there could be a big change in frequency response.
Don't discount parasitic oscillation if the amp has been "serviced" in the past.






