Heathkit TA-1 vacuum tube tape amplifier/preamp — powers on, tubes function, untested for sound. Item Details – Brand: Heathkit – Model / Series: TA-1 Tape Amplifier – Year: Late 1950s-1960s – Color / Material: Black/gold panel – Edition / Variant: Line/Mic input, 7.5/3.75 IPS equalization – Includes: Unit only, as pictured – Country of Manufacture: USA Condition – Overall grade: Powers on, tubes function – Specific flaws: Not tested for sound output through a speaker/system — see photos for full internal view