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<blockquote data-quote="W. Mark Hellinger" data-source="post: 43515" data-attributes="member: 692">Re: Work Bench HelpYes, that is a large perforation speaker grill... with some history:&nbsp; If the history as I understand it is correct, that grill material came from one of 8ea. (as I recall) 4520 subs which were part of the original sound system installed in Studio 54.&nbsp; The grills fully covered the fronts of the speakers (not stock JBL grills).And yes, stuff falls through the grill... there&#039;s currently an approx. 1/4&quot; thick layer of parts and pieces &quot;down there&quot;... mostly stripped insulation bits... probably a few screws and such mixed in.&nbsp; By virtue of working on cone drivers placed on that grill, the grill is somewhat magnetized, which helps a little to retain fugitive screws and such at the grill surface.&nbsp; I have a piece of window screen I lay over the grill when I desire a safety net under my work instead of a sieve... however the window screen significantly diminishes the sucking power of the fume extractor.</blockquote>

[QUOTE="W. Mark Hellinger, post: 43515, member: 692"] Re: Work Bench Help [COLOR=#222222][FONT=Verdana]Yes, that is a large perforation speaker grill... with some history: If the history as I understand it is correct, that grill material came from one of 8ea. (as I recall) 4520 subs which were part of the original sound system installed in Studio 54. The grills fully covered the fronts of the speakers (not stock JBL grills). And yes, stuff falls through the grill... there's currently an approx. 1/4" thick layer of parts and pieces "down there"... mostly stripped insulation bits... probably a few screws and such mixed in. By virtue of working on cone drivers placed on that grill, the grill is somewhat magnetized, which helps a little to retain fugitive screws and such at the grill surface. I have a piece of window screen I lay over the grill when I desire a safety net under my work instead of a sieve... however the window screen significantly diminishes the sucking power of the fume extractor.[/FONT][/COLOR] [/QUOTE]

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