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microZOTL MZ3 Headphone Amp / Preamp / Integrated Amp - Vacuum Tube Headphone Amp by Linear Tube Audio
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Should You Get a Tube Amp For Your Headphones? Best Desktop Tube Amps
High voltage solid state version of my previous tube amplifier for my electrostatic headphones. Also with some design updated on the headphones. Got my site up! www.nectarsound.net : r/diytubes
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