Excellent information, Corey. I can't seem to access the archives, so, many thanks. --Ron --- On Wed, 2/29/12, Corey Bailey <[log in to unmask]> wrote: > From: Corey Bailey <[log in to unmask]> > Subject: Re: [ARSCLIST] Fw: Re: Fw: [ARSCLIST] Phono Preamps > To: [log in to unmask] > Date: Wednesday, February 29, 2012, 2:53 AM > Hi Ron, > > This subject came up about a year ago although it may be > hard to find in > the archives. > > If you are thinking about transferring flat and applying > post EQ in the > digital domain, you might consider applying the low > frequency compensation > in the analog domain and allowing everything above the > turnover frequency > to be un-equalized. This allows for adequate digital > headroom and also > allows for processing the “enhanced” high frequency > content before > applying EQ to everything above the turnover frequency. This > was a > suggestion from the last discussion when I asked a similar > question. This > approach works quite well as it allows for restoration > processing without > audible artifacts. > > The setup I tried this with is: > A modified Dynakit PAS3 preamp routed through a GML 8200 > parametric > equalizer. The modification to the PAS3 was simply removing > the NAB EQ > section from the “Tape Head” input and adding 47K input > termination which > allows it to be a flat preamp when using those inputs. The > phono input was > left stock with the RIAA EQ in place. The cartridges are > Moving Magnet. > > Cheers! > > Corey > Corey Bailey Audio Engineering > > > > For another approach: > > Any thoughts about using a completely flat preamp > > fed into a computer via the M-Audio AP192K card > > and then equalized with software such as the Diamond > Cut DC7? > > > > Off-line responses also welcomed. > > Thanks, > > --Ron > > >