try to spin some small solid conductor wire around the pins to connect them temporarily, something similar to wire-wrap
jumper pins for xlrs
jumper pins for xlrs....this amp came without the jumper pins for the xlr jacsk when running this amp in unbalanced mode through the RCA jacks...are you hrtung the amp at all to run it this way in unbalanced without the jumper pins installed? If it isnt harmful, is there a sonic penalty you will pay unitl the pins are replaced. i.e., loss of gain, or bass oe somethng?