McIntosh MC2152 Tube Power Amplifier & C70 Tube Preamp This is the legendary 70th anniversary combo McIntosh released and they rarely come up for sale. These pieces are in excellent condition and have that incredible tube sound that McIntosh is famous for. They come with their original McIntosh packaging, user manuals, power cords, and remote for the C70. Do not miss out on the chance to own these incredible pieces at an unbeatable price! Due to the size and weight of the amp, it will ship via freight, please message me your shipping zip code for a freight quote. MC2152 SpecificationsPower OutputMinimum sine wave continuous average power output per channel, both channels operating is: 150 watts into 2 ohm loads 150 watts into 4 ohm loads150 watts into 8 ohm loadsOutput Load Impedance2, 4 or 8 ohmsRated Power Band20Hz to 20,000HzTotal Harmonic Distortion0.5% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz to 20,000HzDynamic Headroom1.2dBFrequency Response+0, -0.5dB from 20Hz to 20,000Hz +0, -3.0dB from 10Hz to 70,000HzInput Sensitivity (for rated output)1.7 Volts Unbalanced 3.4 Volts BalancedSignal To Noise Ratio (A-Weighted)112dB below rated output Intermodulation Distortion 0.5% maximum, if the instantaneous peak power output does not exceed twice the rated power output for any combination of frequencies from 20Hz to 20,000Hz. Wide Band Damping Factor Greater than 18 Input Impedance 47,000 ohms Unbalanced 20,000 ohms Balanced Power Control Input 5-15VDC, less than 1mA Power Control Output 12VDC, 25mA Output is delayed 0.2 seconds from turn On. Tube Compliment 4 - 12AX7A Input and Phase Inverter 4 - 12AT7 Voltage Amplifier and Driver 8 - KT88/6550 Power Output Power Requirements Field AC Voltage conversion of the MC2152 is not possible. The MC2152 is factory configured for one of the following AC Voltages: 100V ~ 50/60Hz at 6.6 Amps 110V ~ 50/60Hz at 6.0 Amps 120V ~ 50/60Hz at 5.5 Amps 127V ~ 50/60Hz at 5.5 Amps 220V ~ 50/60Hz at 3.0 Amps 230V ~ 50/60Hz at 2.75 Amps 240V ~ 50/60Hz at 2.75 Amps Standby: Less than 0.3 watts Note: Refer to the right side panel of the MC2152 for the correct voltage. Overall Dimensions Width is 17-1/2 inches (44.5cm) Height is 10-1/4 inches (26.0cm) including feet Depth is 28 inches (71.1cm) including Cables Weight 125 pounds (56.7 kg) net, 138 pounds (62.6 kg) in ship- ping carton Shipping Carton Dimensions Width is 24 inches (61.0cm) Height is 14 inches (35.6cm) Depth is 30-1/2 inches (77.5cm) C70 SpecificationsFrequency Response+0, -0.5dB from 20Hz to 20,000Hz +0, -3dB from 15Hz to 100,000HzTotal Harmonic Distortion0.08% from 20Hz to 20,000HzRated Output (Output 1 and 2)2.5V Unbalanced, 5V BalancedMaximum Voltage Output8V RMS Unbalanced, 16V RMS BalancedSensitivity (for rated output)High Level, 450mV Unbalanced, 900mV Balanced Phono MM, 4.5mV Phono MC, 0.45mVSignal To Noise Ratio (A-Weighted)High Level - 100dB (Below rated output) MM Phono - 75dB (Below 5mV input) MC Phono - 75dB (Below 0.5mV input)Input ImpedanceHigh Level - 22K ohms Unbalanced 44k ohms BalancedPhono MM, 50pF, 100pF, 150pF, 200pF, 250pF, 300pF or 350pF; 47K ohmsPhono MC, 25, 50, 100, 150, 200, 500 or 1,000 ohms; 100pFMaximum Input SignalHigh Level, 5V Unbalanced, 10V Balanced Phono MM, 50mV Phono MC, 5mV Tone Controls Bass Control ± 10dB @20Hz Treble Control ± 10dB @10,000Hz Voltage Gain High Level to Output 1 and 2: 15dB Phono MM to Output 1 and 2: 40dB Phono MC to Output 1 and 2: 60dB Output Impedance 100 ohms Unbalanced 200 ohms Balanced Headphone Load Impedance 16 ohms to 250 ohms Power Control Output 12VDC, 25mA Tube Compliment 6 Tubes, Five - 12AX7A and One - 12AT7 (viewed thru the Top Cover Window) Power Requirements Field AC Voltage conversion of the C70 is not pos- sible. The C70 is factory configured for one of the following AC Voltages: 100V ~ 50/60Hz at 50 watts 110V ~ 50/60Hz at 50 watts 120V ~ 50/60Hz at 50 watts 127V ~ 50/60Hz at 50 watts 220V ~ 50/60Hz at 50 watts 230V ~ 50/60Hz at 50 watts 240V ~ 50/60Hz at 50 watts Standby, less than 0.5 watts Note: Refer to the rear panel of the C70 for the correct voltage. Overall Dimensions Width is 17-1/2 inches (44.45cm) Height is 6 inches (15.24cm) including feet Depth is 18 inches (45.72cm) including the Front Panel, Knobs and Cables Weight 25 pounds (11.3 kg) net, 41.4 pounds (18.8 kg) in ship- ping carton Shipping Carton Dimensions Width is 26-1/2 inches (67.3cm) Depth is 24-1/4 inches (61.6cm) Height is 11-3/4 inches (29.9cm) Check out my other listings. Feel free to ask any questions. These amps are available with freight shipping available, message me your shipping zip code for a freight quote. They can also be picked up locally in Columbus, OH. NOTE: Returns not accepted.