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Official Release: Heider FD312 Mic / Line Preamp from

...Inc. and Rack-N-Roll Audio are very proud (and excited!) to announce the release of a new 500 series preamp! The Heider FD312. This is the very first fully preassembled preamp from my company. It has never been available as a kit and it never will be, only assembled. Rack-N-Roll Audio in Nashville will be...

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Stam Audio's 1073 preamp

...I closed it up. Otherwise the build quality appears excellent. I did a test to compare w/my Heider FD312 (and UA 710). I wanted something smoother and rounder then the APIs - to soften the transients on violin and vocals mostly. Very impressed. It does exactly what I...

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How many channels of preamplification do you have?

2 x CAPI Heider FD312. 2 x Stam 1073 DPA 5 x UA 710 24 x Toft ATB (surprisingly good). Never needed more then ~20 to track a band.

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