• R1 - 100k Holco H2
• R2 - now ferrite bead on grid wire - no resistor
• R3 - 180R
• R4 - 100R
• R5 - 470k
• R6 - 4k7 + 4k7
• R7 - 100k
• T1 - 2N2907A
• T2 - MJE350 on heatsink
• D1 - Red LED
• D2 - Red LED
• VR1 - Stepped Attenuator
• C1 - 22uF 400V Ansar (150u Black Gate)
• C2 - 1u Crescendo
• V1 - 1/2 6922 Sovtek (both elements in parallel)

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