Fender 212r repair: distorted sound output and bump on power on

[oc disorder]

They are fusible resistors Vincenzodesanctis.

Two related links below

Fusible wirewound resistors have a reliable, repeatable fusing characteristic that allows them to be used in many high-temperature, power-hungary applications where a standard wirewound resistor would fall short in performance | Passive Components co


Vishay - Resistors, Fixed - Fusible


Best replaced with same type unless you are in a hurry!

[vincenzodesanctis]

Just for a summary, now the amp sounds good. I replaced the broken resistors R108, R106, R102 and R109.
Now I have to change the normal resistors with the furse res.
Thank you to eveybody who helped me to fix the problem.