Retraction and backstepping
I spoke too soon regarding the equalizer as a phono preamp.
The Alesis has only +/-12db gain available. The RIAA equalization curve is +/-20db.
I re-adjusted the bands on the Alesis for a more accurate reflection of the RIAA standards.
There is an improvement in the audio of my vinyl disks. I may settle for what I've got, but I'm remaining open to the acquisition of a phono preamp.
I'm looking for inexpensive phono preamps. Phono preamps range in cost from $25 to $2,500.
The gains and losses of an inexpensive phono preamp will determne my choices.
The RIAA decoding frequency response curve:
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