McIntosh MC40 Mono Tube Power Amplifiers. Offered in used condition and fully functioning. These McIntosh amps have been bench tested and are ready to be plugged and played. Cosmetically they are in very good condition. This is part of a fairly large audiophile estate. We will be offering many McIntosh items as well as other great vintage items. Monophonic Power Amplifier (1962-69). Power output: 40 watts into 8? Frequency response: 20Hz to 20kHz. Total harmonic distortion: 0.5%. Input sensitivity: 0.5V. Signal to noise ratio: 90dB. Speaker load impedance: 4? Dimensions: 200 x 206 x 349mm. Salesbaron is in Los Angeles, 90039. All major credit cards. Filing a claim should be reserved as a last resort to solving an issue. Please give us a chance to solve any issues that you may have for any reason before leaving feedback.