14
Vacuum Tube Specications
Power Output
150 watts into 2 ohm load
150 watts into 4 ohm load
150 watts into 8 ohm load
Rated Power Band
20Hz to 20,000Hz
Dynamic Headroom
1.2dB
Wide Band Damping Factor
Frequency Response
+0, -0.5dB from 20Hz to 20,000Hz
+0, -3.0dB from 10Hz to 70,000Hz
Total Harmonic Distortion
0.5% maximum harmonic distortion at any power
level from 250 milliwatts to rated power, 20Hz to
20,000Hz
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
Signal To Noise Ratio (A Weighted)
112dB below rated output
Input Sensitivity (for rated output)
Volt age Gai n
29dB, 8 ohms
26dB, 4 ohms
23dB, 2 ohms
Input Impedance
22,000 ohms Balanced
22,000 ohms Unbalanced
Solid State Specications
Power Output
300 watts into 2 ohm load
300 watts into 4 ohm load
300 watts into 8 ohm load
Rated Power Band
20Hz to 20,000Hz
Dynamic Headroom
2.5dB
Wide Band Damping Factor
Frequency Response
+0, -0.25dB from 20Hz to 20,000Hz
+0, -3.0dB from 10Hz to 100,000Hz
Total Harmonic Distortion
0.005% maximum harmonic distortion at any power
level from 250 milliwatts to rated power, 20Hz to
20,000Hz
Intermodulation Distortion
0.005% 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
Signal To Noise Ratio (A Weighted)
118dB below rated output
Input Sensitivity (for rated output)
Volt age Gai n
29dB, 8 ohms
26dB, 4 ohms
23dB, 2 ohms
Input Impedance
22,000 ohms Balanced
22,000 ohms Unbalanced
General Specications
Power Control Input
Power Control Output
Power Requirements
Standby, less than 0.5 watt
Refer to the rear panel of the MC451 for the
correct voltage.
Overall Dimensions
Weight
133 pounds (60.3kg) net
159 pounds (72.1kg) in shipping carton
Shipping Carton Dimensions
Width is 28 inches (71.1cm)
Depth is 31 inches (78.7cm)
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