Mcintosh MC7270 Digital Dynamic Stereo Power Amplifier
Playback Frequency: 20Hz to 20kHz +0 -0.25dB. Effective Output: stereo:270W+270W(1Ω, 2Ω, 4Ω, 8Ω) mono:540W(2Ω, 4Ω, 8Ω, 16Ω). Scratches and dirt There are bubbles around the outer edge of the display window.