McIntosh MX120, Руководство по обслуживанию

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PERFORMANCE SPECIFICATIONS
2
Audio Specifications
Frequency Response
Left, Center, Right,
Left Surround,
Right Surround,
Left Back, Right Back:
±0.5dB from 20Hz-20,000Hz
Subwoofer
1
:
±0.5dB from 20Hz-140Hz
Total Harmonic Distortion
0.005% maximum from 20Hz to 20,000Hz at rated output
Signal To Noise Ratio
Phono:
86dB below 10mV input (A Weighted)
High Level: 96dB below rated output (A Weighted)
Rated Output Voltage
2.5V Unbalanced Outputs (Main)
5.0V Balanced Outputs (Main)
Maximum Voltage Output
9.5V Unbalanced
19V Balanced
Output Impedance
100 ohms Unbalanced
200 ohms Balanced
Input Impedance
Phono:
47k Ohms, 65pf
High Level: 22k Ohms Unbalanced
50k Ohms Balanced
Sensitivity for Rated Output
Phono:
5mV
High Level: 500mV Unbalanced
1V Balanced
Maximum Input Signal
Phono:
50mV
High Level: 5V Unbalanced
10V Balanced
Voltage Gain
Phono to REC Out:
40dB
Phono to Output (Main): 54dB
High Level to REC Out: 0dB
High Level to Output (Main): 14dB
Tone Controls
Bass Control:
±12dB at 30Hz
Treble Control: ±12dB at 10,000Hz
General Specifications
Power Requirements
100 Volts, 50/60Hz at 65 watts
110 Volts, 50/60Hz at 65 watts
120 Volts, 50/60Hz at 65 watts
220 Volts, 50/60Hz at 65 watts
230 Volts, 50/60Hz at 65 watts
240 Volts, 50/60Hz at 65 watts
Note: Refer to the rear panel of the MX120 for the
correct voltage.
Overall Dimensions
Width is 17-1/2 inches (44.45cm)
Height is 7-5/8 inches (19.37cm) including feet
Depth is 18-3/4 inches (47.63cm) including the Front
Panel and Knobs
Weight
27 pounds (12.25Kg) net, 46 pounds (20.87Kg) shipping
Shipping Carton Dimensions
Width is 25 inches (63.5cm)
Depth is 27 inches (68.6cm)
Height is 12 inches (30.5cm)
1
If any of the Channels have the Loudspeaker Setting of
Small, the subwoofer has an electronic low pass filter with a
24dB per Octave rolloff in all modes except external.
1. Unless otherwise noted, all voltages indicated on
the schematics are measured under the following
conditions:
a. AC input at 120 volts, 50/60Hz.
b. All voltages are +/-10% with respect to ground.
A high impedance (10 megaohm) voltmeter must
be used.
NOTES
2. On PC board drawings, Square pad indicates:
a. Polarized Capacitors - Positive
b. Diodes - Cathode
c. Others - Pin 1
3. WARNING
Parts marked with the symbol have
critical characteristics. Use only replacement
parts recommended by the manufacturer.