01-21-2016, 10:28 AM
My ampeg parts catalogs are a bit too new to have that part in them. (1975)
you could put a power cord back on it, and use a variac to bring up the voltage while watching the current draw. bring it up to 120, if the voltages all look good, then it is the North American version, if they are too low, then you can crank it up to 230 and measure again.
you could put a power cord back on it, and use a variac to bring up the voltage while watching the current draw. bring it up to 120, if the voltages all look good, then it is the North American version, if they are too low, then you can crank it up to 230 and measure again.