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The one thing I find a bit odd is the 1dB shelf below 300Hz. I can’t imagine this being baffle step because, from what I can tell, the crossover point between the woofer and the midrange is about 550Hz.
Isn't baffle step independent of the woofer-mid crossover?
Erin, nice work. I'm still digesting it but initially a bit surprised by the narrowed dispersion 500 - 2k.Isn't baffle step independent of the woofer-mid crossover? My thought would have been that Dennis has not applied a full 6dB compensation, do you know if he has commented on this?
Both the BMR and the Pioneer BS22 mod have tested with a slightly shelved-down bass response starting around 300 Hz. That's because I don't set the response above that point by splicing a near-field woofer plot to the anechoic plot. Instead, I measure how the bass response is doing in my office room and I set the overall system response to match that. If I used some kind of woofer measurement free of typical room effects, the bass could easily turn out to be too heavy in most rooms. There's probably more art than science to the process, but so far it's worked out well.
ErinThere is so much to appreciate about your reviews....where to start and yet keep it short...First, thanks for listening first and measuring second...the goal should not be to confirm what you measure or vice versa...just an honest portrayal of what you measure and what you hear....even if they are at odds in certain respects.Second, thanks for trying to explain what the measurements mean...as well as some references for where else to go to read further explanations.Third, thanks for providing your play list.Fourth, thanks for providing comments on what you heard without running Dirac...many of us with 2 channel systems are not trying to make digital corrections and so we need to know what you hear in your room without correction.Fifth, thanks for providing a lot of information about your room and set up as it allows us to compare to our own rooms and setups.Sixth, thanks for providing thoughts about digital filters that could be beneficial to those who may want to use them.One additional thought...and this applies to something that is important to many audio aficionados. When you are giving your subjective comments based on listening, it would be great if you could provide more insight as to what you heard with respect to the soundstage that the speakers present....width beyond the speakers, depth, height and an overall sense of realism.Again...thanks for the great reviews you have been doing!
