Voltage Chart; Quicksilver Audio 8417 (Philips) Mono Amplifier Schematic - Quicksilver 8417G Operating Instructions

Voltage Chart
=/- 5%
Voltages measured to ground
Pin 12AX7 Pin 12BH7 Pin 8417 Pin 5AR4
1
0 1 310 1
0 1 0
2 0 2 150 2
0 2 465
3 0 3 158 3 465 3 0
4 6.6AC(3.3)* 4 6.6AC(3.3)* 4
465 4 345AC
5
6.6AC(3.3)*
5 6.6AC(3.3)* 5 -25App** 5 0
6 150
6 0 6
-25App**
6 345AC
7 0 7
0 7 6.6(3.3)* 7
0
8 .9 8 0 8
o
(3.3)* 8 465
9
0
9
0
2 to 8 = 5.2AC
*(Va/ues for units with SN 101 through 1500) **Use high impedance volt meter
-
-
-25
-
120pf
I
12AX7
562.0
12BH7
8417
470 volts
B+
2
470 volts
B+
2
23.7K .18/400
Quicksilver Audio 8417 (Philips) Mono Amplifier Schematic