Nice larger-body Shallco rotary attenuator often seen in professional broadcast mixers. equivalent to the Daven LA(Q)-350.

~20 step, 2 dB/step. smooth rotation (no detente). taper to "off" cue function. 

These units are the standard size 1-3/4" diameter. Typical 1/4" shaft; hardware seen on shafts is included. Nominally 600/600 ohms. Could also be mounted thru-panel with two guide holes on each top. Note lugs may have wiring remnant and heat shrink.

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