antennaman, I am not an installer or even remotely qualified in the electronic field. All I have learnt is from moving to an area where the TV was and still is bloody poor and that was the first part of 1963.
The first amp I ever saw and bought was in an aluminium tube about a foot (300mm) long and about an inch (25) in diametere. It was for 300 ohm and powered by a 6v lamp battery. I have no idea who made it.
Then at the end of '63 I started to use the Telstar range on Phased arrays.
Didnt the Telstar have 2 transisitors? no PCB but hard wired?
I did read there was a valve amp, I think it could have been made by Ferris Bros, if not maybe STC/AWA? When I heard about them I asked a now long gone serviceman about them and all I remember was he confirmed their existance but nothing else, not that I would have then understood about gain etc.
What I could not imagine was valve amp up a 50 footer !!!!!
How did they power it up and who climbed the pole to change a valve when required, hmmmm???
I recently emailed Hills/GME asking about cascading amps and I quoted using a MHU42 and I was told that no such animal existed but I not only do have one but I also have the leaflet that came with it. Not a MHU44 of which I have one of as well. Its a 14V only unit.They at the time also had a MHU42B5, the 'B5' signifying it was designed for Band 5 useage only. I never chuck anything away, it just takes me a little while to remember the safe place I put it in.
Also still working is an old 25db VHF only head in the red sliding topped yellow cased amp on a pair of CA16's now used just to pick up FM stations.
I also have a couple of similar in a cupboard but I am not sure what they are or even if they are still working.
I cant remember when the Kingray heads became available now, was it before or after I got married and thats 38 years ago. Trouble is I was in this house from 1965, 5 years before I met and married my wife so some dates are rather blurred concerning minor occurances.
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