Neg feedback hookup

[Maverick]

On the 1987 50 watt, where on the board does the feedback wire from the speaker jack go?

[demonufo]

On the board you'll see either the 47K or 100K NFB resistor (depending on which you fitted) with one end going to a purple wire attached to the presence pot. Connect the jack socket tip (or 4/8/16 ohm tap on the impedance selector) to the other end of this resistor.