McIntosh MC2250 Power Amplifier Used 50/60hz Made in USA【very good】
(Model: Stereo power amplifier. ■Effective output: stereo: 250W+250W (1Ω to 8Ω). Mono: 500W (0.5Ω to 16Ω). SN ratio: 95dB. Damping factor: 30 or more.Power guard: 2% or less (1kHz), 20dB). Power consumption: 1.4kW (at effective output).