R1 - 180R R2 - 4k7 R3 - 10k preset R4 - 2k7 R5 - 10k R6 - 1R8 R7a,b,c,d - 4R7 - 10R to suit tube R8 - 330k R9 - 100k R10 - 2R7 10W WW Ohmite 80 series	C1 - 1000uF 35V Electrolytic C2 - 3.3uF 250V Ansar C3 - 10uF 250V Ansar C4 - 10uF 250V Ansar C4a,b,c,d - 3.3uF 250V Ansar T1,2 - 2N2907A T3 - TIP122

T1,2, R1,2 replaced with J510 3.5mA CCS for trial.