[sdiy] equalizer

[Seb Francis]

Sounds like you need to use combinations of high-pass / low-pass filters 
to get total-kill, rather than just EQ cut.


cheater cheater wrote:

>Tempting! It seems to have nice features.
>However, I'm not sure if it has the feature i need most...
>can it totally cut ("kill") each of its bands?
>
>Best regards,
>
>Damian
>
>On 10/6/05, ken mosley <keninverse at gmail.com> wrote:
>  
>
>>sorry hit send way too fast:
>>
>>how about the Calreq pq1549 project at the gyraf audio site:
>>http://gyraf.dk/gy_pd/calreq/calrec.htm
>>
>>PCBs can be purchased from gustav here:
>>http://prodigy-pro.com/forum/viewtopic.php?t=233&sid=ef77164249ee072a50c4ad8318d132fa
>>
>>
>>
>>ken m.
>>
>>On 10/6/05, ken mosley <keninverse at gmail.com> wrote:
>>    
>>
>>>
>>>
>>>On 10/5/05, cheater cheater <cheater00 at gmail.com > wrote:
>>>      
>>>
>>>>yes!
>>>>schematics anyone? :>>
>>>>
>>>>On 10/5/05, dustin sedlacek < dustin.sedlacek at gmail.com> wrote:
>>>>        
>>>>
>>>>>i personally would love to have a EQ killer or at least know how to
>>>>>          
>>>>>
>>build
>>    
>>
>>>>>one , thats a really cool unit i think
>>>>>
>>>>>
>>>>>On 10/4/05, cheater cheater < cheater00 at gmail.com> wrote:
>>>>>          
>>>>>
>>>>>>Hey,
>>>>>>very interesting find indeed!
>>>>>>$199 is definitely prohibitive for me :(
>>>>>>
>>>>>>On 10/4/05, Danjel van Tijn < syntheticdan at gmail.com> wrote:
>>>>>>            
>>>>>>
>>>>>>>Have you ever looked at the electrix EQ Killer? I highly recomend
>>>>>>>incorporatng that design into a DJ mixer. You could actually
>>>>>>>              
>>>>>>>
>>reverse
>>    
>>
>>>>>>>enegineer one if you got it (not such complicated circuitry)
>>>>>>>
>>>>>>>Cheers,
>>>>>>>     Danjel
>>>>>>>
>>>>>>>
>>>>>>>On 10/4/05, cheater cheater < cheater00 at gmail.com > wrote:
>>>>>>>              
>>>>>>>
>>>>>>>>Hi guys,
>>>>>>>>
>>>>>>>>I'm looking to build my own DJ mixer [as, frankly, nothing on
>>>>>>>>                
>>>>>>>>
>>the
>>    
>>
>>>>>>>>market is anywhere near what I'm looking for.... :( ]
>>>>>>>>
>>>>>>>>the first step would be to build a good equalizer: something
>>>>>>>>                
>>>>>>>>
>>that's
>>    
>>
>>>>>>>>four-band and can totally cut out each one of them. I'm looking
>>>>>>>>                
>>>>>>>>
>>for
>>    
>>
>>>>>>>>the same kind of thing that's in, for example, the Pioneer
>>>>>>>>                
>>>>>>>>
>>DJM-600
>>    
>>
>>>>>>>>(this one's 3-band, though), or the Vestax DCR-1200 PRO (which
>>>>>>>>                
>>>>>>>>
>>is a
>>    
>>
>>>>>>>>stand-alone equalizer).
>>>>>>>>The Pioneer's EQ, for example, drops the whole band to -36 dB.
>>>>>>>>                
>>>>>>>>
>>Without
>>    
>>
>>>>>>>>weird resonance. Nice!
>>>>>>>>I haven't personally used the DCR-1200 PRO, but from
>>>>>>>>                
>>>>>>>>
>>stories&tales it
>>    
>>
>>>>>>>>seems it's the thing I'd want in my mixer.
>>>>>>>>No, I'm not buying 6 of those >:(    ;)
>>>>>>>>
>>>>>>>>I've searched the archives, but not come up with a lot of
>>>>>>>>                
>>>>>>>>
>>stuff....
>>    
>>
>>>>>>>>some nice reads queued, though :)
>>>>>>>>
>>>>>>>>If anyone could point me in the right direction, perhaps assist
>>>>>>>>                
>>>>>>>>
>>me...
>>    
>>
>>>>>>>>[I've never made a complicated circuit like that, but I'm
>>>>>>>>                
>>>>>>>>
>>definitely
>>    
>>
>>>>>>>>NOT shy of my soldering iron ;) ]
>>>>>>>>
>>>>>>>>Best regards to everyone,
>>>>>>>>
>>>>>>>>Damian
>>>>>>>>
>>>>>>>>
>>>>>>>>                
>>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>>            
>>>>>>
>>>>>
>>>>>--
>>>>>Dustin
>>>>>          
>>>>>
>>>>        
>>>>
>>>      
>>>
>>    
>>
>
>
>
>  
>