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Atlas Nomad 12v 13w Fitting - Transistorised Ballast

The rock solid ballast in the Nomad.

AME_69057_4.jpg Eterna_2.JPG Nomad_Ballast.JPG Thorn_4-8w.JPG MKplugs.JPG
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Filename:Nomad_Ballast.JPG
Album name:Paul / HF, EM & Transistorised Ballast
Filesize:56 KiB
Date added:Jan 20, 2012
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URL:https://allthingslighting.co.uk/atl/displayimage.php?pid=5032
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Linear_SLI   [Jan 20, 2012 at 12:52 AM]
Like it, has to be one of the best 12volt gear trays I have seen Smile
Tom   [Jan 20, 2012 at 01:07 PM]
Lovely bit of vintage circuitry there! Good bit of heatsinking on that old Motorola power transistor too! Loving those components! No namby pamby ROHS nonsense here! No doubt this does a good job of lighting the tube! Razz
frutas   [Jan 20, 2012 at 02:01 PM]
Ahh - a proper TO3 mount transistor! They are quite tough things - now they squeeze stuff into small packages that can't dissipate the heat. That kinda board brings back memories.
Tom   [Jan 20, 2012 at 11:32 PM]
Looks like all 4 pins are connected suggesting that this maybe does proper cathode heating?

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