RTA graph freq resp on REW 5.20.13

caseopia

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Hi John,need some advice

i took measurement using umik-1 and rew 5.20.13 on my right tweeter. But the graph won't drop under 1 Khz
instead it rise like crazy on 50 Hz - 100 Hz
then i uninstal and get the old version rew 5.19 same umik-1 mic and same tweeter to measure.
it came normal, the graph drop at 3Khz nothing left under 3 Khz. Can you advice me John? Thank you.
 

Nordo

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Preamp, Processor or Receiver
Denon AVR X1500H
Additional Amp
Sub amp - Behringer EP2500
Universal / Blu-ray / CD Player
Panasoic BD35
Front Speakers
DIY
Center Channel Speaker
DIY
Surround Speakers
DIY
Surround Back Speakers
DIY
Front Height Speakers
-
Rear Height Speakers
-
Subwoofers
Four 15" infinite baffle drivers
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HTPC (windows 10 with Kodi)
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Epson EMP-TW2000 projector
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Matt white "blockout" curtain liner
Hi John,need some advice

i took measurement using umik-1 and rew 5.20.13 on my right tweeter. But the graph won't drop under 1 Khz
instead it rise like crazy on 50 Hz - 100 Hz
then i uninstal and get the old version rew 5.19 same umik-1 mic and same tweeter to measure.
it came normal, the graph drop at 3Khz nothing left under 3 Khz. Can you advice me John? Thank you.
I recently did some speaker testing (for crossover design) using a UMIK-1 and the latest version of REW.
SPL graphs were normal and what was expected - i.e. no anomalies.
Make sure all your settings in REW are correct. Read Making Measurements in the REW help
In particular, don't use the subwoofer signal unless you are testing a true sub.
 
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