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Fulcrum Acoustic FA12, FA15 and FA28 (1 of 4)
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<blockquote data-quote="Langston Holland" data-source="post: 49798" data-attributes="member: 171"><p>Re: Fulcrum Acoustic FA12, FA15 and FA28 (4 of 4)</p><p></p><p>Hi Brian:</p><p></p><p>Actually, all acoustic measurements I do these days are recordings. I use Smaart v5.4 to monitor the recording to be sure I'm getting good data and use Audition v(latest) to record a stereo file to disk. Left is the measurement through the mic and right is a loopback. I make sure I have more than 10 seconds of good data before I end the recording, then I trim the thing down to exactly 10 seconds and put a read-only attribute on it. I also record temp, humidity(1) and distance(2) from mic capsule edge to front grill edge.</p><p></p><p>That means I can go back at any time in the future and loop that recording through a processor and re-tune, re-align or in some cases re-member what I did. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>I can loop these recordings through any two channel FFT software out there - that's almost all of them. If the software only accepts an IR, I can make an IR out of the recording in ARTA or Smaart.</p><p></p><p>IOW, what you ask is easy. I already saved those FA12 traces in Smaart during the recording monitoring process, so that's what's shown. It's also easier to compare with the independent passband measurements in part (4 of 4) above due to the use of Smaart there as well. The passive crossovers in these loudspeakers were quite functional prior to the active processing. A "judicious" use of EQ could get you through a gig with these wedges if your processing device broke.</p><p></p><p>Cyan trace is in the ground plane at 20', Green trace is stage monitor position with mic at ear level:</p><p></p><p><img src="http://soundscapesweb.com/files/PSW/FAreview/FA12_Passive_Only.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><u>Footnotes</u>:</p><p></p><p>1. <a href="http://www.fluke.com/fluke/usen/HVAC-IAQ-Tools/Air-Testers/Fluke-971.htm?PID=56155" target="_blank">Fluke 971 Temperature Humidity Meter</a></p><p></p><p>2. <a href="http://ptd.leica-geosystems.com/en/Leica-DISTO-D5_74709.htm" target="_blank">Leica DISTO D5</a></p></blockquote><p></p>
[QUOTE="Langston Holland, post: 49798, member: 171"] Re: Fulcrum Acoustic FA12, FA15 and FA28 (4 of 4) Hi Brian: Actually, all acoustic measurements I do these days are recordings. I use Smaart v5.4 to monitor the recording to be sure I'm getting good data and use Audition v(latest) to record a stereo file to disk. Left is the measurement through the mic and right is a loopback. I make sure I have more than 10 seconds of good data before I end the recording, then I trim the thing down to exactly 10 seconds and put a read-only attribute on it. I also record temp, humidity(1) and distance(2) from mic capsule edge to front grill edge. That means I can go back at any time in the future and loop that recording through a processor and re-tune, re-align or in some cases re-member what I did. :) I can loop these recordings through any two channel FFT software out there - that's almost all of them. If the software only accepts an IR, I can make an IR out of the recording in ARTA or Smaart. IOW, what you ask is easy. I already saved those FA12 traces in Smaart during the recording monitoring process, so that's what's shown. It's also easier to compare with the independent passband measurements in part (4 of 4) above due to the use of Smaart there as well. The passive crossovers in these loudspeakers were quite functional prior to the active processing. A "judicious" use of EQ could get you through a gig with these wedges if your processing device broke. Cyan trace is in the ground plane at 20', Green trace is stage monitor position with mic at ear level: [IMG]http://soundscapesweb.com/files/PSW/FAreview/FA12_Passive_Only.png[/IMG] [U]Footnotes[/U]: 1. [URL="http://www.fluke.com/fluke/usen/HVAC-IAQ-Tools/Air-Testers/Fluke-971.htm?PID=56155"]Fluke 971 Temperature Humidity Meter[/URL] 2. [URL="http://ptd.leica-geosystems.com/en/Leica-DISTO-D5_74709.htm"]Leica DISTO D5[/URL] [/QUOTE]
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