McIntosh MC303 owner manual Specifications Specifications

Specifications

Specifications

Power Output

Minimum sine wave continuous average power output per channel, all channels operating:

300 watts into a 2 ohm, 4 ohm or 8 ohm load

Output Load Impedance

2, 4 or 8 ohms

Rated Power Band

20Hz to 20,000Hz

Total Harmonic Distortion

0.005% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz to 20,000Hz

Dynamic Headroom 1.8dB

Frequency Response

+0, -0.25dB from 20Hz to 20,000Hz +0, -3dB from 10Hz to 100,000Hz

Input Sensitivity (for rated output)

1.7Volt Unbalanced

3.4Volt Balanced

Signal To Noise Ratio (A-Weighted)112dB below rated output

Intermodulation Distortion

0.005% maximum, if the instantaneous peak power output does not exceed twice the rated power output for any com- bination of frequencies from 20Hz to 20,000Hz.

Wide Band Damping Factor

Greater than 40

Input Impedance

10,000 ohms

Power Guard

Less than 2% THD with up to 14dB overdrive at 1,000Hz

Power Control Input

5VDC - 12VDC

Power Control Output

12VDC, 25mA maximum, delay 0.2 seconds

Power Requirements

100 Volts, 50/60Hz at 12 Amps

110 Volts, 50/60Hz at 11 Amps

120 Volts, 50/60Hz at 10 Amps

220 Volts, 50/60Hz at 6 Amps

230 Volts, 50/60Hz at 6 Amps

240 Volts, 50/60Hz at 6 Amps Standby: Less than 1 watt

Note: Refer to the rear panel of the MC303 for the correct voltage.

Overall Dimensions

Width is 17-3/4 inches (45.09cm)

Height is 12-3/8 inches (31.43cm) including feet

Depth is 22 inches (55.88cm) including the Front Panel and Cables

Weight

155 pounds (70.3 kg) net, 180 pounds (81.6 kg) in shipping carton

Shipping Carton Dimensions

Width is 31 inches (78.74cm)

Depth is 28 inches (71.12cm)

Height is 17-1/4 inches (43.82cm)

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