pos. & neg., side post, all 2nd design: positive battery connection utilizes a bolt with... see morepos. & neg., side post, all 2nd design: positive battery connection utilizes a bolt with a 5/16" head (2 gauge, includes grommets)
-designed and made in U.S.A.-, modern solid-state circuitry, simple screw-in replacement of original transistor circuit... see more-designed and made in U.S.A.-, modern solid-state circuitry, simple screw-in replacement of original transistor circuit board inside amplifier box
pos. & neg., side post, all 1st design: positive battery connection utilizes a bolt with... see morepos. & neg., side post, all 1st design: positive battery connection utilizes a bolt with a 7/16" head (2 gauge, includes grommets)