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Low Earth Orbit
Lighting & Electrical
The "Pointlessness" of Fixed Beam S4Jrs
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<blockquote data-quote="Rob Timmerman" data-source="post: 122368" data-attributes="member: 172"><p>Re: The "Pointlessness" of Fixed Beam S4Jrs</p><p></p><p>As far as I can tell, the S4j was introduced to compete directly with the 360q (very similar feature set and price). Now, the S4j is a smaller, lighter fixture than the 360q, but is a touch less efficient than the latest versions of the 360q (with the updated reflector design from about 10 years ago). I can't comment on the gobo performance of the S4j, as I've never used a gobo in one (the funky gobo size is a bit of an issue IMO). As noted, the 360q can take higher output lamps than the S4j, and can also take the HPR lamps for additional output. </p><p></p><p>Brian Ship (posts on Controlbooth, and used to post on the old LAB lighting forum) has done a bit of research on lamps to make older fixtures perform better. Me, I'll take a well maintained (this is key) 360q with a current-generation lamp over a non-zoom S4j any day. The only good use I can see for the fixed beam angle S4j fixtures is in a facility that has other ETC fixtures and wants to reduce their lamp inventory, but doesn't have the budget for the full-size Source 4s.</p></blockquote><p></p>
[QUOTE="Rob Timmerman, post: 122368, member: 172"] Re: The "Pointlessness" of Fixed Beam S4Jrs As far as I can tell, the S4j was introduced to compete directly with the 360q (very similar feature set and price). Now, the S4j is a smaller, lighter fixture than the 360q, but is a touch less efficient than the latest versions of the 360q (with the updated reflector design from about 10 years ago). I can't comment on the gobo performance of the S4j, as I've never used a gobo in one (the funky gobo size is a bit of an issue IMO). As noted, the 360q can take higher output lamps than the S4j, and can also take the HPR lamps for additional output. Brian Ship (posts on Controlbooth, and used to post on the old LAB lighting forum) has done a bit of research on lamps to make older fixtures perform better. Me, I'll take a well maintained (this is key) 360q with a current-generation lamp over a non-zoom S4j any day. The only good use I can see for the fixed beam angle S4j fixtures is in a facility that has other ETC fixtures and wants to reduce their lamp inventory, but doesn't have the budget for the full-size Source 4s. [/QUOTE]
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The "Pointlessness" of Fixed Beam S4Jrs
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