Stewart ADB-1 DI Box
This used ADB-1 is fully functional and in good condition.
The ADB-1 allows a Hi-Z unbalanced source to directly feed to Lo-Z balanced input. Musical instruments, tape recorders, VCRs and sound projectors can be run "direct" to the mixing console, avoiding unnecessary degradation of sound quality. The ADB-1 operates on either phantom power or a 9-volt battery. Features: flat response, low distortion, low noise, wide dynamic range (input will handle up to 6v P-P in instrument position; up to 400w RMS in speaker position when used in parallel with an amplifier load), no transformer, RF protection on input and output, switch able ground isolation, flush mounted slide switches minimize accidental switching and resist breakage, switches and markings on top of unit, designed and manufactured in the USA.