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There's a lot more bass in a 6.5" driver than most of you think

One topic of discussion I often see new audiophiles touch on is whether to get larger speakers for more bass.

I usually suggest they tune the room first, then re-evaluate. This is based on listening and measurement in several apartments I’ve lived in. Bigger speakers can be nothing but trouble if the room is not ready.


In particular, I often claim that the right room treatment can make smaller speakers behave much larger. So, to back up my claims I’d like to submit to you my recent blog post here:

https://speakermakersjourney.blogspot.com/2020/01/the-snr-1-room-response-and-roon.html


Look at the bass response from those little drivers! :)


I admit for a lot of listeners these speakers won’t seem as punchy as you might like, but for an apartment dweller who does 50/50 music and theater they are ideal for me. If you’d like punchy, talk to Fritz who aligns his drivers with more oomf in the bass.


erik_squires
pirad
59 posts
 
Please answer technically. Anybody can make any statements on facts. I am not trying to be omniscient here, but prefer to separate facts from opinions.
erik_squires OP
16,152 posts
 
The answer is the same as "what is the problem you are trying to solve with a swarm?"


pirad
59 posts
 
Distrubuted bass addresses room modes, probably with more success than other solutions. Not sure what we are discussing here with respect to infrasounds (<20Hz). People can’t hear them, unless they are pure sine waves at big volumes. No concern for music, really. The movie theater experience of simulated earthquakes, explosions or thunderstorms is best served with bass shakers, like Clark Synthesis. There is also a niche in crowd control, where infasounds can be used to incapacitate people. A controversial and dangerous method, never really used in democracies (resonances in the respiratory tract that make breathing difficult).
erik_squires OP
16,152 posts
 
Distrubuted bass addresses room modes, probably with more success than other solutions.


Well, definitely not without it's own share of complexity and cost.

Not sure what we are discussing here with respect to infrasounds (<20Hz).

My statements about being able to get a sub flat to 16 Hz go back to something you said earlier:

The Swarm, when sealed, goes down to 18Hz


Meaning, again, a swarm is not the only solution to great bass in a room. I can solve the room mode problem, and get wonderful bass in the same scale as you claim for the Swarm with a single sub, bass traps and EQ.
twoleftears's avatar
twoleftears
5,318 posts
 

@pirad Description of the Magnepan subwoofer accompanying the "condo" 30.7.

"The bass unit was about 3 feet tall and about 1 foot wide. The cabinet or structure consisted of a V shaped open baffle with 8 total drivers—4 vertically mounted dynamic cone woofers on each side of the V. These woofers were approximately 6.5 inches in diameter. Though there has been several dynamic cone dipolar designs attempted before, Wendell commented that this was a unique design that utilizes DSP and would eventually be patented. Yes, I said DSP!  

Though Wendell used the term "dipolar" for the bass units, I was told that the key design elements were the dual array and open baffle mounting along with the use of DSP. With this in mind, he also used the term "dual-dipolar" for the entire system to reinforce that this is a unique overall configuration and yet it still has the ability to be competitive with an all magnetic dipolar design."



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