Modified Speech Amp/Driver for the 32V-3
by WA1HLR
Component Changes and Additions Component | Original Value | New Value |
C202 | 0.01 uF/300V Mica | 0.05 uF |
C203 | 2 uF/600V Paper | 20 uF |
C204 | 2 uF/600V Paper | 20 uF |
C205 | 0.01 uF/300V Mica | 0.05 uF |
C206 | 2 uF/600V Paper | 10 uF |
C207 | 2 uF/600V Paper | 50 uF |
C211 | 0.05 uF/600V Paper | 10 uF |
C217 | 8uF/350V Electrolytic | 20 uF |
R202 | 1M | 4.7M |
New/Added PartsCap in Negative Feedback Circuit: 0.01 uF2 kV
Resistor in Negative Feedback Circuit: 1M/2W
See attached schematic.