Page 35 - RD_2021-06a
P. 35

The underside of the projector


         A pair of reel arms were fabricated from  focused well, giving sharp, edge to edge,
         the junk box. They ended up being made  image.
         from early Bell and Howell arms and 9.5
         mm spindles from an unknown wreck.  So, now it operated as a silent projector,
                                             the picture was nice and bright and very
         Next  the  panel  and  switches  were  steady.
         mounted  where  the  original  controls
         would have been. After some fiddling and
         adjusting the speed regulators, it worked  The amplifier:
         well                                In my home theatre, all sound is played
                                             through  a  Dolby  CP65  processor  and
         The lamp:                           VTS  amplifiers  (left,  centre,  right  and
         With  24  volt  AC  available  from  the  surround), so I didn’t require a complete
         transformer, a 24 volt 250 watt type ELC  amplifier, just a pre-amplifier to give me
         mirror lamp was decided on. Fortunately  the required level for my set up.
         it fitted in the confined space well, using
         the lamp holder from the wrecked slide  Originally, the PAX had a small mirror to
         projector. A muffin fan, scavenged from  reflect the scanned sound track up to the
         somewhere was fitted to the rear of the  nearby  PE  cell.  As  this  was  missing,  I
         lamphouse  to  provide  cooling  for  the  fitted a solar cell in place of the mirror,
         lamp.                               directly  picking  up  the  scanned  sound
                                             track,  and  feeding  it  into  a  home
         A 38 mm Angenieux lens was found in  constructed pre-amplifier.
         my  “junk  box”,  it  fitted  the  holder  and

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