I check my FPB300cx owners manual and sorry but no instructions given except have the mfg. the work.
Krell FPB 700CX
Krell FPB 700 CX wanting to use tube preamp. Jumpers are advised with caps being engaged due to "potential" DC. Based on the pics attached, the jumper above labeled JMP1 for tube preamps? Purchased used and Krell is under restructuring. Any help appreciated. Thank You.