Vintage push button design with RMS/DB andanalog meter. 1 Hz to 90,000 Hz, variable level control with original manual build instruction and schematic. With blue metal housing and black rack handles #9 condition.
With SPL meter, analyzer microphone, wide range frequency generator. "Warble tune" design. Uses 9v battery. New old stock with original box, packing, and manual. Box is worn, contents unopened.
Unit is in excellent cosmetic condition. Front panel features: 10 band digital meter display w/ extra meter for average dB, meter sensitivity control, 30dB/20dB selectable meter scale, peak hold, left ch/right channel selection, line/mic selection, 1/4" mic in. Rear panel features: stereo RCA I/O, stereo pink noise out. Completely cleaned and serviced.