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RE: Thanks!

Posted by flood2 (A) on January 15, 2017 at 22:34:18

In Reply to: Thanks! posted by John Elison on January 15, 2017 at 19:20:57:

I take your point and it is certainly a concern of mine too since there is precious little information about the filter design (not surprisingly!). Surprisingly though, I couldn't find any specification on input capacitance which is not terribly useful given that it is designed ONLY for MM cartridges and the input "impedance" shifts from 47k when configured for Line IN to 50k for phono. I have emailed Korg, but am not hopeful of getting that level of detail so will probably have to work it out for myself.

Where were you able to get the digital EQ? Was it the Apple specific vinyl recording software (with a name that escapes me now!). I think the differences you hear will likely be down to the design of the digital filter simulating the time constants required and the effect on group delay. Linear phase is achieved with a finite impulse response FIR filter which is a feed forward design. This is why you get pre-ringing which is commonly attributed to the "non-analogue" characteristic of digital.


Regards Anthony

"Beauty is Truth, Truth Beauty.." Keats

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