Vintage 25-volt line audio output matching transformer conforming to commercial EIA RS-174 and standard public address specifications, features an integrated multi-tap primary winding handling discrete 5-watt, 2-watt, 1-watt, and 0.5-watt input power thresholds, 8-ohm secondary terminal voice coil output matching, built-in flexible insulated lead wire terminations, standard open-frame channel-frame mounting layout, engineered to provide low-distortion distribution and impedance matching for multi-speaker networks in paging or commercial background music applications. Unit Sourcing Compatibility: This component came out of legacy school intercom sound decks, paging systems, and vintage public address installations managed under CAGE Code 60237. Exact Industry Equals: Thordarson 24S168 and TRW Thordarson 24S168
