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Philco BOL Demo Record
10-22-2019, 08:20 PM
Since I've never seen or heard one of these work, how do they sound? Were photo cells sensitive enough to reproduce the fine variations in light? They certainly worked for the sound of movies. Is the resistance to twisting of the crystal far greater than overcoming the inertia of the rod and mirror? Just wondering if this was more gimmick than real advantage!
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Messages In This Thread
Philco BOL Demo Record - by AVSorrell - 10-03-2019, 05:53 PM
RE: Philco BOL Demo Record - by OldRestorer - 10-03-2019, 09:26 PM
RE: Philco BOL Demo Record - by AVSorrell - 10-22-2019, 07:12 PM
RE: Philco BOL Demo Record - by rfeenstra - 10-22-2019, 08:20 PM
RE: Philco BOL Demo Record - by klondike98 - 10-23-2019, 03:46 PM
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