With frequency's above 800hz 1,25msec wave length 43cm you can do a measurement like in a anechoic room. The length of your measurement is the tool to eliminate the room influence. The advantage of mls is that you can measure in room. So you can see above 10W the power contributes less then in the few watts where efficiency plays a large roll. It is only 3dB / 3dB more with out subbas/ 3db less better linear behaviour and sub-bass.ĦW = +7,78dB 10W=+10dB 12W= +10.97dB this level has to added to the spl-level at 1Wmtr. So the point I want to make here when listing pop music the higher efficiency with less sub-bas doesn't get you further. My self i increase the spl level to experience more bas by lack of sub-bas. And how will that sound compared to a loud speaker with more sensitivity and no sub bas. The point a want to make is that with not going to extreme with sensitivity rating it is easier to reach the goals. I can not say it with 100% accuracy but it will do 92-93dB 1Wmtr very flat response extreme low distortion of the high frequencies. So I dicided to build a speaker with good sensitivity down to 30Hz. It did down to 45Hz and I missed sub-bas and due the back-loaded horn principle the mid range was to restless to listen to. Like and share.?After my Horn almighty project I wanted to reproduce at 102dB 1wmtr down to 35 Hz based on Simulation. Subscribe & tap the notification '?' for more upcoming videos. WATCH AND ENJOY!!! SUBSCRIBE, LIKE AND SHARE! Non-profit, educational or personal use tips the balance in favor of fair use.įair use is a legal doctrine that says you can reuse copyright-protected material under certain circumstances without getting permission from the copyright owner. Fair use is a use permitted by copyright statute that might otherwise be infringing. Under Section 107 of the Copyright Act 1976, allowance is made for Fair Use for purposes such as criticism, comment, news reporting, teaching, scholarship and research. Lyrics & music belong to its rightful owners. Sec.107 of the Copyright Act of 1976 allow these materials for fair use.
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