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Monitor speakers on top of subs

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I listen to a fair amount of music with pipe organ in it. In the interest of reaching below 20Hz, I am considering replacing my current floorstanders with subs with stacked monitors on top since floor space is limited.  Anyone else doing this? I would assume isolation between the two would be important. Are there problems I should know about?

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yes, the idea is to prevent the monitors or other cabinets form moving as that will modulate the output of the small drivers

 

it is the reason people buy spikes for their cabinet speakers

 

so... don't 

 

or do and just ignore the phase shifting


"The overwhelming majority [of audiophiles] have very little knowledge, if any, about the most basic principles and operating characteristics of audio equipment. They often base their purchasing decisions on hearsay, and the preaching of media sages. Unfortunately, because of commercial considerations, much information is rooted in increasing revenue, not in assisting the audiophile. It seems as if the only requirements for becoming an "authority" in the world of audio is a keyboard."

-- Bruce Rozenblit of Transcendent Sound

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I would put something in between. Maybe use sorbothane sandwiched by acoustic foam.

 

But I don't see how you would bring the monitors to ear level unless you are going to stack speaker stands on top of the subs.

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If your current floorstanders are suitable for your needs except for very low bass then just adding a sub with very low frequency crossover should work. Low frequencies are not directional so the sub could theoretically be placed almost anywhere.

 

Both isolating the monitors from subwoofer vibration and ensuring that they are rigidly mounted could be difficult or ugly.

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1 hour ago, GregWormald said:

If your current floorstanders are suitable for your needs except for very low bass then just adding a sub with very low frequency crossover should work. Low frequencies are not directional so the sub could theoretically be placed almost anywhere.

 

Both isolating the monitors from subwoofer vibration and ensuring that they are rigidly mounted could be difficult or ugly.

Adding a sub is out of the question due to lack of space.

1 hour ago, davide256 said:

Are you using room correction software? Changing speaker solution sounds like you are attacking the wrong problem.

 

 

Thank you all.

Current spkrs are Ohm 5000s which are not imaging very well in my space + they don't go low enough, so thinking monitors + subs will.

Re: RC, It would need to be digital between Aurender N100H (usb only out) and W4S DAC. Looking at DSSpeaker. Adding RC still doesn't get me the below-20Hz I'm looking for.

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On 5/22/2019 at 11:55 AM, coot said:

Adding a sub is out of the question due to lack of space.

Thank you all.

Current spkrs are Ohm 5000s which are not imaging very well in my space + they don't go low enough, so thinking monitors + subs will.

Re: RC, It would need to be digital between Aurender N100H (usb only out) and W4S DAC. Looking at DSSpeaker. Adding RC still doesn't get me the below-20Hz I'm looking for.

mmm, plan on at least 200w per side if you want below 20hz bass. A quality powered sub sounds like your best bet and probably some research into  room conditioning

for your imaging dissatisfaction.

 

Have seen a Virgil Fox DD recording causing clipping to mono McIntosh power amps feeding Klipschorns  a 13hz pedal tone... takes a big investment to get bass below 20hz

right.


Regards,

Dave

 

Audio system

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very true - I'll add that the multi-sub system is worth a look as you can more easily avoid standing waves - may be called "swarm"

 

 


"The overwhelming majority [of audiophiles] have very little knowledge, if any, about the most basic principles and operating characteristics of audio equipment. They often base their purchasing decisions on hearsay, and the preaching of media sages. Unfortunately, because of commercial considerations, much information is rooted in increasing revenue, not in assisting the audiophile. It seems as if the only requirements for becoming an "authority" in the world of audio is a keyboard."

-- Bruce Rozenblit of Transcendent Sound

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OK - more research has me setting 24" tall Tekton Impact Monitors (isolated) atop a pair of 25" tall Powersound V1510 subs (isolated from floor). Preamp, crossovers and room correction would be handled by a DSpeaker X4. At a later date I will power the monitors with Primaluna tubes.

 

On paper at least this gets me from well below 20Hz on up. 

 

Comments are welcome.

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