G Pultec Hi Cut come Mid Cut

colonelmot

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Hey People

I'm about to make a pair gyraf pultecs. I don't feel I need the hi cut band as much I need a mid cut
Could I just change the cap values on the the hi cut to achieve this?
The frequencies I 'd want to put in would be something like 280, 400, 500 , 650 , 800, 1k

Could this cause other problems to the circuit or is there anything I need to consider
for example Is the hi cut shelving or peak?

Thanks

Tom
 

okgb

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The mid cut on the MEQ uses an inductor , but you could graft that ,
i'm planning on adding the Hi boost section of the PEQ to an Meq
[ same sort of logic as you ] the " parametrics " certainly have quite a
few sections so i think it is doable [ Dave Hill had told me something
about being able to multiple bands together before needing a buffer
and then something about impedances but i forget that
 

CJ

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Is this a MEQ or a EQP you are building?
Thanks.
 

okgb

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Incase i confused the issue , i was thinking he meant eqp ,
but i was suggesting to look to the meq for the mid cut ,
as a more effective way to get it
[ wouldn't happen without the inductors ]
 

colonelmot

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Yeah I'm building Gyrafs EqP - was hoping to mod in a mid cut
Has anyway succesfully added CJ's cut modification as shown in another pultec thread?
 
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