"N_Cook" wrote in message
...
Disconnecting the R-C of 100nF+4.7R (lag input A x2 pins of the TBA231 and
B the same) from the 2x LM301 p1-p8 f-comp pins, returns something like
normal vol/tone function in comparison to ch1.
Will have to take some ch1/ch2/f comparison readings


Have you not seen the post from Reinhard offering to send you the correct
opamp to save all this ****ing about ?

Arfa