Had a clear out (again) and came upon a B and H 622 manual thread with 1000 watt bulb.It has a large transformer to convert to 110 volt etc with separate feeds to the projection mechanics and amp.When I tried it a couple of days ago it all fired up ok except for the amp - no sound - so being the nosey sort started to strip the machine and by removing four bolts on the bottom out came the amp.
This I again tried on its own and noticed one of the valves had not lit and had the tell tale burn mark on the top.
So to the Internet and for £16.50 I obtained I Russian equivalent of a 3z4gt mullard valve.This valve arrived and when I first saw it it only had four prongs compared to the bust one with five .Anyway stuck it in and low and behold life in the old amp yet.
So loaded in a test film about Lenovo tyres and started the machine up.Seems to be going ok had to find a lens as the original is missing,the one I found has a war department stamp quite appropriate for a projector of this age.
I shall be keeping this machine for as long as possible its big,chunky,there's that smell of burning and film you get with these old machines and I think they look quite nice.
Some pics of the machine and valve,transformer etc.
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