Nad 3225PE driving me nuts

So...
Finally got all parts to finish (or try to) this conundrum
After replacing all damaged parts and checking all associated components I power it up (with bulb on the plug) and up we go.
Setting up idle and offset let it sit 5 minutes (service manual instructions) and no problems so far...
Next I plugged the test lead and speakers and there was sound but, left (original faulty channel) is slightly lower then the right one, no distortion I can ear going to get the oscilloscope from storage and check sine/square ware for level and distortion.
One last thing the bulb is always with a very small glow (60W bulb) enough to make me scare of powering it up direct from the mains.
Any suggestions ?
 
Measure the mains voltage presented to the amp--- then you'll know how much drop is being absorbed by the bulb. If you're still nervous about moving to full voltage, install a higher wattage bulb. Bulb will be even dimmer, applied voltage higher still.