Valentin R
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And from what I have seen it has ruler flat and excellent dispersion response
125 to the woofer sounds about right to me to ensure higher spl with what is likely a fairly beefy and thus less efficient woofer. Plus required to accommodate bass boosting in the DSP.I wonder is JBL has any magic to make a 5.25" woofer happy to 45 Hz. Perhaps they just tuned down the Fs with added cone mass? They are giving the woofer a lot of amp power.
A more home-friendly version of the 705P at a similar price point. Nice!
The 705P horn and cabinet look smaller. If so, for some people the 705 could be more home friendly. Also, the 705P has 250W x 2, one amp on each driver.
Nah, that hurts the efficiency.I wonder is JBL has any magic to make a 5.25" woofer happy to 45 Hz. Perhaps they just tuned down the Fs with added cone mass?
From what I've read, then linkwitz transform can only be used with a closed box.Nah, that hurts the efficiency.
What you do is EQ your actual woofer with a Linkwitz Transform to drive the vented box like it's the 10" of your dreams. The 4305P's main limitation will be the volume you can surrender for ports, which keeps you from going too deep in 10L. Still, the ports buy 4-6dB efficiency, while giving lower response, and all you needed was a little simulation & IIR EQ
Of course, this paints you into a corner in terms of SPL. Your driver probably can't push 100dB at 50Hz, and you'd complain about noise from the small ports if it did. Either way, you use the same fix: as output rises, reduce the bass excursion with a variable-frequency HP rolloff.
SPL/extension is always a tradeoff, but the DSP lets it be adjusted in real-time. Beats the heck out of a heavier cone.
705P is super deep though. Even 705i is quite deep - deep enough that I’ve never tried them in place of KH 80 DSP on my desk...
Sorry man, I think I know every word you say but I don't get what you actually mean.... do you want to say that the mid bass FR plot should be like dropping by half to make it great for typical home use????Bass response sucks with settings while that measurement. At least 2 times too much power at mid bass for home use without EQ. Flat power below predicted/typical Schoeder is better default balance. But that would give smaller preference rating because calculation with equation 9 sucks. Looks that manufacturers have already started making worse speakers to convince idiots (especially on ASR) who don't understand and believe other than single value no matter how limited and wrong it is.
Not by half. Constant flat power response below ca. 100-150 Hz. Also that will produce too much bass in "typical" room, but not way too much almost everywhere. Factory setting producing flat axial and rising power towards sub bass is designed for use with room EQ DSP or bass tilt adjustment with dip switches etc, but that is limiting as passive speaker because both listener and speaker are forced away from the walls. One may listen outdoors in the middle of field, but clear majority has some room gain at LF.do you want to say that the mid bass FR plot should be like dropping by half to make it great for typical home use????
I personally is against this kind of argument