|[AMRadio] Sound advice|
CL in NC
mjcal77 at yahoo.com
Mon Aug 22 22:20:08 EDT 2016
I have been wanting to experiment with some of my old mics that basically sound pretty bad, either too tinny or too bass, (not the fish) and run them through a graphic equalizer. The motivation for this is that I found a really nice single channel, 32 filter unit for a song, but it does not have enough sensitivity to handle crystal, dynamic, or controlled magnetic mics, giving only minimal indication on the output bar graph at high voice input, so I need some ooomph on the head end. A homebrew 12AX7 amp to fit between my various basket case mics and the equalizer is required. Does anybody have experience in this area with some pointers? Ideas on a solid state preamp instead of a tube? I checked several designs online and the ones in the 'Encyclopedia of Electronic Circuits', but maybe somebody here has a bullet proof schematic. The DBK2031 equalizer performs as it spec sheet advertises, handling inputs and outputs to 40K loads.
Charlie, W4MEC in NC
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