Buffer: 220nF 25V 10pF 25V 2x 1k 1/4 2.2uF -100k 1/4 -2x 10uF -2x 470R 1N4148 OPA134 OPA132 OPA604 -7990 -555 Pre-Amp: DRV134 OPA134 4x 1N5819 3x 470pF 1% MOUSER: ------- - 25K 10W resistor -502-12A -502-S-1029 -502-S-1028 Other Stuff: ----------- From mouser: NYS322 565-7140 565-7151