does this kind of EQ exist?

pixeltarian · Post by **pixeltarian** » Tue Jan 18, 2011 3:52 am

an equalizer:

about the size of a DI box
balanced
passive
3 bands
with HP/LPF

I'd like to start getting into otb "destructive" recording. I want to make the "no brainer" adjustments outside the box. it would just make me feel warm and comfy inside.

niccolo gallio · Post by **niccolo gallio** » Tue Jan 18, 2011 9:04 am

I think you're peeking in the 500 series domain here..

ott0bot · Post by **ott0bot** » Tue Jan 18, 2011 10:23 am

not sure if they are passive, and they may not have HP and LP filters....but two 1/2 rack units come to mind:

Summit FEQ-50

neve portico....i think 5032. It may be a preamp/eq combo, so not passive.

otherwise, 500 series. Maybe the great river harrison eq, or a melcor eq.

A.David.MacKinnon · Post by **A.David.MacKinnon** » Tue Jan 18, 2011 10:56 am

I could be wrong but I don't think you can boost frequencies without an active circuit. Cutting is no problem but boosting requires gain which requires some kind of amplification stage.
This is all guesswork on my part but maybe somebody more knowledgeable can chime in to confirm.

iC · Post by iC » Tue Jan 18, 2011 1:40 pm

destructo:

http://www.bossus.com/gear/productdetai ... ductId=144

Chris_Avakian · Post by **Chris_Avakian** » Tue Jan 18, 2011 2:07 pm

i have a soundworkshop 1280b, and the eq in that is all passive... just sayin...

ott0bot · Post by **ott0bot** » Tue Jan 18, 2011 2:31 pm

also...presonus blue EQ. similar, but cheaper.

not passive either.

goldie469 · Post by **goldie469** » Tue Jan 18, 2011 6:14 pm

A.David.MacKinnon wrote:I could be wrong but I don't think you can boost frequencies without an active circuit. Cutting is no problem but boosting requires gain which requires some kind of amplification stage.
This is all guesswork on my part but maybe somebody more knowledgeable can chime in to confirm.

Passive EQs attenuate the whole signal. When a "boost" is used in a passive eq, it simply cuts that particular freq. less than the rest of the signal.

For example, a passive eq which attenuates by 20db. If you want a 3db boost at 5k, it only attenuates the 5k range by 17db.

Most passive designs have an amplifier following the EQ section.

So you are correct, you cannot actually boost within a passive EQ, but the same effect is achieved with a gain stage after the filter stage.

Hope this helps

Chris

pixeltarian · Post by **pixeltarian** » Wed Jan 19, 2011 12:00 am

i just wish there was something I could put on every mic for quick adjustments. like a little EQ that has no color. still... even 150 bucks per channel would add up fast.

I picture something that has the form factor of a Shure X2U, but is simply XLR to XLR and is an EQ instead of an interface.

quick, someone start a company and make one!

Jitters · Post by **Jitters** » Wed Jan 19, 2011 12:22 am

pixeltarian wrote:...even 150 bucks per channel would add up fast...

How many of these do you think you would want/need?

It almost sounds like you just need a small mixer with individual ouputs. It's not the form factor you are describing, but probably easier than having to deal with 4/8 individual boxes.

pixeltarian · Post by **pixeltarian** » Wed Jan 19, 2011 12:54 am

Jitters wrote:
pixeltarian wrote:...even 150 bucks per channel would add up fast...
How many of these do you think you would want/need?

It almost sounds like you just need a small mixer with individual ouputs. It's not the form factor you are describing, but probably easier than having to deal with 4/8 individual boxes.

my brain is weird. that's probably a better solution. I have been mighty afraid of getting a mixer because I don't want it to color the sound, but also don't want to spend tons of money on one. any recommendations for a budget mixer with a natural sounding EQ?

niccolo gallio · Post by **niccolo gallio** » Wed Jan 19, 2011 5:40 am

my brain is weird. that's probably a better solution. I have been mighty afraid of getting a mixer because I don't want it to color the sound, but also don't want to spend tons of money on one. any recommendations for a budget mixer with a natural sounding EQ?

This is something I'd really like: a preamp-less mixer with eq's and individual outs.
It seems to me that nobody is producing it..

niccolo gallio · Post by **niccolo gallio** » Wed Jan 19, 2011 6:12 am

I just found what I was looking for, and it should fit the OP's bill quite nicely:

http://www.speck.com/pdf/misc/EQ16_Manual.pdf

too bad it is out of production..

farview · Post by **farview** » Wed Jan 19, 2011 7:53 am

So, you want to EQ something without coloring the sound?

An EQ colors the sound, if it didn't it wouldn't be an EQ. A passive EQ isn't necessarily going to be cleaner than and active one, especially when you add the makeup gain.

It's kind of like the people that wander around saying that they drink water because they don't want to ingest chemicals. Water is a chemical (dihydro-monoxide) so their statement is meaningless.

There are good chemicals and bad chemicals, just like there are good colors and bad colors. It might be more useful to look for the colors you like instead of worrying about how they are made.

ott0bot · Post by **ott0bot** » Wed Jan 19, 2011 9:58 am

I've seem that Speck EQ unit on ebay....looked interesting, but I heard the EQ's on that aren't nearly as good as the newer ASC-V/T units.

Speaking of which those Speck asc units get alot of love on gs forums. Especailly the units with the added transformers.

But I hear you...i'd love to have a bunch of outboard utility eq's...but coloration isn't a issue for me. It's really super expensive, so until money grows on trees and I can afford a truly nice console, I've decided to just use plugins for my EQ.

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does this kind of EQ exist?

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