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Mr. Vacuum Tube
Gregory L. Charvat's blog.
Friday, August 27, 2010
Portable tube pre-amp for the covert recording of live concerts
In college we were on a mission, to record a live show in Chicago with the best audio quality possible. For this reason i developed the small
portable tube pre-amplifier
This amplifier runs on 12 AA batteries (in a separate battery pack) and should last 3-4 hours. Works well with microphones, electric guitars, and would be great in any portable/mobile application.
I recently have posted the
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