Version 1.32
10
Figure 2. Mains transformer windings- REFER TO ADDENDUM NOTES
It is good practice to twist the mains wire blue brown together as this reduces hum. A
light twist aprox. every 1 - 1.5cm should be fine.
Blue
0V
White
X15 on PSU
Brown
120V
Red
Cut and Insulate
Black
X16 on PSU
Blue
0V
Brown
Cut and Insulate
Brown
120V
Yellow Pair
Small tube Heaters
Orange Pair
Cut, do not join
(Insulate)
Green Pair
Cut, do not join
(Insulate)
Mauve Pair
EL34 Heaters
Grey Pair
EL34 Heaters