Re: H.T. 120 volts; L.T. 2 volts (accumulator) batteries?
A23 12 volt battery, would not last very long, if you were very lucky 1 hour,
PP3 if you are going that route I would use Ni-Mh rechargeable, or alkaline.
Just because the base is loose on the valves, it does not mean they are faulty, a little shellac around the rim will usually firm them up.
John
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