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Old 20th May 2012, 11:39 PM   #431
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he, just got this crazy idea that I need a 2-channel(stereo) graphic equalizer
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Old 21st May 2012, 06:09 PM   #432
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......2-channel(stereo) graphic equalizer
but needs a balanced signal, and ofcourse balanced out
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Old 21st May 2012, 09:49 PM   #433
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but accordingly to the small pedal EQ Im using now something like this might be all I need
showing the effect of a single variable parametric EQ
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Old 22nd May 2012, 08:29 AM   #434
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I'm not a bass player, but we've had several bass amps through the workshop in the last month or so, and a three band swept parametric seems to be fairly standard, so I doubt you need to go further.
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Old 22nd May 2012, 09:15 AM   #435
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my tubeworks amp has a 5 band equalizer , but i agree with pinkmouse 3 is enough
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Old 22nd May 2012, 10:01 AM   #436
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my tubeworks amp has a 5 band equalizer , but i agree with pinkmouse 3 is enough
that would be a graphic EQ I guess ?

a parametric EQ would have 3 controls for each band, centre frequency, width(Q), and gain

problem is, the only kit I know is pretty expencive with 88EUR

well, I could throw the diy towel, and a just buy a D-TAR bass preamp
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Old 22nd May 2012, 10:07 AM   #437
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..... a three band swept parametric seems to be fairly standard......
does this mean there are 9 controls, or swept means somewhat different function
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Old 22nd May 2012, 01:06 PM   #438
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does this mean there are 9 controls, or swept means somewhat different function
No, just six. A cut/boost knob and a frequency knob. Very much like the input stage on a mid range desk. You could have a third for Q if you really wanted.

That kit looks quite nice, though a tad on the expensive side. I'm sure I've seen some schematics here on diyA, you might want to have a search.

edit: Here's one from diyA, I'm sure there's more, and a very nice Calrec EQ section
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Old 22nd May 2012, 01:14 PM   #439
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Quote:
Originally Posted by tinitus View Post
that would be a graphic EQ I guess ?

a parametric EQ would have 3 controls for each band, centre frequency, width(Q), and gain

problem is, the only kit I know is pretty expencive with 88EUR

well, I could throw the diy towel, and a just buy a D-TAR bass preamp
yes graphic 5 band
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Old 22nd May 2012, 05:37 PM   #440
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actually, if you only want to tilt the frequency, 2 ordinary graphic 'tone controls' seems optimal
only need to find the optimal centre frequency
maybe it could be variable, somehow

I think the Quad 44 preamp had such a tone control
yep, it sure did

btw, remember I have both woofer and a mid/midwoofer
so I might be able have two different and optmised EQ systems
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