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Old 3rd February 2016, 07:57 AM   #1
neazoi is offline neazoi  Greece
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Default Equilizer for bass schematic?

Hello,
always struggling to get this deep bass feeling (<40Hz) from my 8" audio nirvana drivers, I was thinking if something can be done to improve their response.

Playing music using VLC player on PC and using it's graphic equilizer, I could boost the bass region below 40Hz and reduce the overal volume, so that a very contained and deep bass could be heard even from these small drivers.
I have successfully tested this on smaller drivers, even 6".

I wonder if a hardware graphic equilizer can be made for the bass region, prefferably analogue, that can precisely control the bass response <40Hz.
All the schematics I have seen on the net control just 50 and 63Hz only
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Old 3rd February 2016, 08:59 AM   #2
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Eight Band Sub-Woofer Equaliser
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Old 3rd February 2016, 09:09 AM   #3
neazoi is offline neazoi  Greece
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Quote:
Originally Posted by tonitonitoni View Post
This is exactly what I need!
Thanks!

However, how should I also include the higher frequencies (without passing them through the equilizer)?
Just connect the input source audio to the output in parallel or feed it to the summing opamp?
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Last edited by neazoi; 3rd February 2016 at 09:15 AM.
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Old 3rd February 2016, 09:14 AM   #4
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So an eight inch speaker is small ?

How confusing....and what about its excursion ? If it's in the <5mm range any over-powering in the bass region would produce distortion .

To handle power in the bass region you need 1) excursion which implies 2) a soft suspension, rubber or foam.

Nevertheless, a fullrange is optimized to work well in the passband region of 100-10000 Hz ( let the whizzer cone produce adequate sound in the treble region )
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Old 3rd February 2016, 09:19 AM   #5
neazoi is offline neazoi  Greece
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Quote:
Originally Posted by picowallspeaker View Post
So an eight inch speaker is small ?

How confusing....and what about its excursion ? If it's in the <5mm range any over-powering in the bass region would produce distortion .

To handle power in the bass region you need 1) excursion which implies 2) a soft suspension, rubber or foam.

Nevertheless, a fullrange is optimized to work well in the passband region of 100-10000 Hz ( let the whizzer cone produce adequate sound in the treble region )
I am not expert, but by lowering down the volume and increasing in software the desired bass region, a very warm desired to my taste bass is achieved even in my Realistic Minimus 7 tiny speakers
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