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Any dedicated pedal parametric EQs out there?

You might be thinking of TC's 1140.
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No, TC Electronic did produce a Dual Parametric EQ in pedal form. Strickly speaking it wasn't a pedal since there wasn't a switch on it that could be operated with a foot, just a small sliding on/off switch. It also had a treble boost/cut and a gain knob.

I owned one, sold it and still regret that. Very high quality EQ from the time that TC still made analog pedals. I've never seen one since, so it might be nearly impossible to find one.

Here's a picture
TC-Electronic_DPEq.jpg
 
So you mean is there anything other than the Empress in the two posts before yours, and cheaper than $200? You can find an old Boss PQ3B/PQ4 or Ibanez PQL/PQ9/PQ401 used on Ebay for less than that if you keep your eyes peeled. Korg made one too that sometimes pops up. And the Fromel Shape EQ (which coincidentally I was just about to make a thread about) is a boutique version of the Ibanez, in current production, and they can be found for under $150 used. Also the Carl Martin Para EQ/Preamp sometimes goes for silly low money on Ebay. The Carl Martin is only semi-parametric though, and IIRC the Boss/Ibanez/Korg were not fully parametric on more than one band.
 
Personally, I wouldn’t call the Yamaha NE-1 an equalizer pedal. It is more a filter in a desktop format. It is a nice device though.

Regarding the parametric equalizer, a while ago I modified a Boss MT-2 to make it a (semi) parametric EQ.

I bought it second hand for a reasonable price, I modified a little bit to use it with my guitar and I realised that I actually like the stock MT-2 :)

I didn't know what to do with the half modded MT-2 and I started thinking that I liked the idea of the semi-parametric EQ of the MT-2.

I removed the mid scoop, changed the frequency of the filters, removed the clipping and changed the gain values.

It wasn't a walk in the park but it sounded great. Considering the cost of the MT-2 and the cost of the mod, I never though about offering it to my customers but I still have my notes. Do you think it could be interesting?
 
...I started thinking that I liked the idea of the semi-parametric EQ of the MT-2.
I removed the mid scoop, changed the frequency of the filters, removed the clipping and changed the gain values.
It wasn't a walk in the park but it sounded great. Considering the cost of the MT-2 and the cost of the mod, I never though about offering it to my customers but I still have my notes. Do you think it could be interesting?

I do think that cost to the customer would be the only motivator there. After all, many amps nowadays have a sweepable mid EQ, and there are several semi-parametric pedals out there. So the appeal of a modded MT-2 would be if somebody already had an MT-2 lying about and they could very cheaply convert it into a decent EQ pedal. So perhaps you could sell the plans, or a mod kit with the parts and plans, for not much money. I wouldn't bother making the pedals and re-selling them though.
 
I do think that cost to the customer would be the only motivator there. After all, many amps nowadays have a sweepable mid EQ, and there are several semi-parametric pedals out there. So the appeal of a modded MT-2 would be if somebody already had an MT-2 lying about and they could very cheaply convert it into a decent EQ pedal. So perhaps you could sell the plans, or a mod kit with the parts and plans, for not much money. I wouldn't bother making the pedals and re-selling them though.

Thanks for your comments bongomania. I agree with what you say.

I would be happy to give away the plans for free as a sign of appreciation to the bassist community that supported [sfx] so far. :bassist:

He only problem is that my notes are on the original Boss schematics. I cannot publish them as the schematics is covered by copyright. I would need to redraw the schematics :bawl:
 
The only problem is that my notes are on the original Boss schematics. I cannot publish them as the schematics is covered by copyright. I would need to redraw the schematics :bawl:

Are the mods so involved that following them would require use/understanding of the schematic? Since Boss prints the part numbers on the board itself, simply indicating which parts to swap can often be adequate: http://www.ovnilab.com/articles/cs3modding.shtml