Go Back   Home > Forums > >
Home Forums Rules Articles diyAudio Store Blogs Gallery Wiki Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Multi-Way Conventional loudspeakers with crossovers

Strange Frequency response?
Strange Frequency response?
Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 27th March 2020, 05:17 PM   #11
ghettoblasterfanatic is offline ghettoblasterfanatic  United States
diyAudio Member
 
Join Date: Mar 2020
Quote:
Originally Posted by PLB View Post
Try checking the sample rate first. It should be set to 48KHz or higher.
You say that the response is of the tweeter, but the tweeter you describe has a low frequency resonance of 710Hz, in which case there is something wrong at low frequencies as well.

Peter
Actually sorry, I should have been more clear, the frequency response is of the tweeter and the woofer, not only the tweeter. I figured it out though so all is good now.
  Reply With Quote
Old 27th March 2020, 05:20 PM   #12
ghettoblasterfanatic is offline ghettoblasterfanatic  United States
diyAudio Member
 
Join Date: Mar 2020
Quote:
Originally Posted by weltersys View Post
1) The spec sheet shows the RST28F around -4dB at 20kHz on axis, yours appears around -10dB, about -6 dB difference.
+/-3 dB response variations between units are usually considered "normal", and slight variations of angle can increase those differences. Those variations alone could account for the difference shown, without considering your mic response deviations.
2)Most adult hearing response drops off -10 to -30dB at 15kHz, so we don't hear a lack of something we already hardly hear ;^)
Actually it was the position I was measuring the response at. I thought I was measuring it at ear level but turns out I was a bit too low. I hope my hearing hasn't started to drop off already, I'm not an adult yet actually still a teenager lol, but I figured it out now so all is good.
  Reply With Quote
Old 27th March 2020, 05:22 PM   #13
ghettoblasterfanatic is offline ghettoblasterfanatic  United States
diyAudio Member
 
Join Date: Mar 2020
Thanks everyone for your help, I did figure out the problem, and it was my microphone placement. I had thought I had been measuring at ear level, but infact I was a little lower than I should have been. I raised the microphone and made sure this time it was truly at ear level, my measurements look a lot more "normal" now, thanks again!
  Reply With Quote

Reply


Strange Frequency response?Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Strange Frequency Response in Bass... 40Hz-104,4dB ; 85Hz:82,3dB ??? HELP murillollirum Multi-Way 14 2nd February 2013 05:30 PM
strange frequency response of m2tech evo elviukai PC Based 18 10th January 2012 06:24 AM
in-room frequency response & transient response MCPete Room Acoustics & Mods 1 8th October 2011 06:31 AM
strange port frequency response jrwone0 Multi-Way 1 3rd March 2009 10:18 PM
Doubts on Phase Response and Frequency Response dumrum Multi-Way 11 5th April 2004 10:39 AM


New To Site? Need Help?

All times are GMT. The time now is 12:07 PM.


Search Engine Optimisation provided by DragonByte SEO (Pro) - vBulletin Mods & Addons Copyright © 2020 DragonByte Technologies Ltd.
Resources saved on this page: MySQL 15.00%
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2020 DragonByte Technologies Ltd.
Copyright ©1999-2020 diyAudio
Wiki