Vintage Tube Amp

Area 51 is a warehouse discovery at Exit 51 – a meticulously preserved lifetime collection we’re honored to place into collectors’ hands. This is a vintage tube amplifier by Heathkit, identified by the original rear label as Model AA-191. The AA-191 is a low-power (3 watt) mono tube amplifier, commonly used in small hi-fi systems, educational labs, or as a preamp/driver in custom audio builds. The front panel features. Bass control (flat to boost). Treble control (cut to flat). Phono / Tuner input selector. The rear panel includes. Speaker output terminals (4? / 8? / 16?). Tuner and crystal (XTAL) inputs. Headphone (phones) jack. Original Heathkit model and serial label. This unit comes from a large private estate of a meticulous original owner, where electronics were stored indoors as part of a carefully preserved lifetime collection. Untested (no power applied). Metal chassis shows surface wear, scratches, and age-related marks. All control knobs present with wear. Power cord present with age discoloration. Rear label present and legible. Internal components visible through ventilation slots. No testing, cleaning, or servicing performed. Unit stabilized to prevent internal movement. Please review all photos carefully.