One channel shown. Ground config common to both.

• R1 - 100R
• R2 - 200R
• R3 - 390R
• R4a/b - 1R8 3W
• R5a/b - 1R8 3W
• R6 - 1R8 3W
• R7 - 100R
• C1 - 22uF Philips Motor Start
• C2 - 120uF 400V Ansar (220uF 350V Wkz black gate)
• C3 - 120uF 400V Ansar (220uF 350V Wkz black gate)
• C4 - 1uF
• C5 - 10000uF
• C6 - 6800uF
• C7 - 6800uF
• C8 - 6800uF
• C9 - 0.01uF WIMA FKP1
• BR1 - 4 x 1N4007 (mounted on C1)
• BR2 - 4 x 1N5401 (mounted on C5)
• T1 - 220V/300V @ 1A
• T2 - 220V/18V @ 2A
• T3 - 10H for choke input filter

All resistors Maplin metal film unless stated otherwise. Planned replacements in ()