Just completed my OSD build. It is working but not properly. To start I the amp does work without any abnormal noises but have noticed a couple issues which may or may not be related. Overdrive level and ratio don't seem to do anything, and the volume is lower than it should be.
When back and checked the voltages and found most of them to be too high. Without tubes the voltage on each of the red Main transformer wires is 400V and B+560V
With the tubes in: B+513V V1 pin1 209V, Pin 3 1.7V, Pin 6 215V, pin 8 1.6V V2 pin1 145V, Pin 3 2.8V, Pin 6 221V, pin 8 1.7V V1 pin1 348V, Pin2 43V, Pin 3 70V, Pin 6 338V, Pin7 44.5V V4 & V5 Pin 3& 4 515V
My concern being the high B+ , V4 & V5 voltages. Also low voltage on V2 which likely explains the volume.
I am a novice builder and am looking for help as to how to trouble shoot this and any help is greatly appreciated.
Thanks
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