| A = Rectifier (heater PSU) | B = 1000uF cap | C = 220R 2W resistor |
| D = 220R 2W resistor | E = 100uF cap | F = 0.1uF film cap |
| G = 10K resistor | H = Rectifier (valve PSU) | J = 2200uF cap |
| K = 7808 voltage regulator | L = 1000uF cap | M = 4.7 film cap |
| N = 4K8 resistor | P = 680pF-1N2 cap (LPF) | P1 to P8 = pins of valve |
| Q = Input socket | R = 3K9 resistor | AT = Attenuator |
| SGS = Signal ground star | TX1 = Transformer (heaters) | TX2 = Transformer (valves) |
| V = Valve | X = To 18K input resistor |
Last update: 16th November 2003 - Copyright © 2003 Decibel Dungeon - Author Nick Whetstone