McIntosh C47 User Manual

23
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on the Front Panel Information Display. Refer to
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2. Reduce the Brightness level by adjusting the
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After approximately 6 seconds the Information
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available for adjustment. Perform the following steps
to make the Phono Trim Adjustments:
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Input.
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Front Panel Information Display. Refer to figures
84 and 85.
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mended value.
After approximately 6 seconds the Alphanumeric
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Mute
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except the FIXED OUTPUT. The Front Panel Infor-
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Refer to figure 86.
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adjusting the volume control (either the Front Panel or
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Tone
Press the Front Panel TONE Push-button to activate
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above the TONE Push-button will illuminate. To
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will extinguish.
Refer to figure 60. The C47 remembers for each
selected Input whether the Tone Control Circuitry is
active or bypassed.
Note. The audio signal present at the FIXED OUT
Jacks is unaffected by the Equalizer Circuitry.
Output 1 and 2
Press the Front Panel OUTPUT 1 or OUTPUT 2
Push-button or use the Remote Control and press the
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1 or OUTPUT 2 Push-button, to send audio to sepa-
rate Power Amplifiers connected to the rear panel
OUTPUT 1 or 2 Jacks. It also activates the POWER
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from going to the separate Power Amplifiers, press the
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Trim
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activate the C47 Trim Functions. Rotate the INPUT
Control to select the desired Trim Function and then
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used. Approximately 6 seconds after Trim Function
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The C47 will automatically turn On and switch to the
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turned-on. The Audio Preamplifier Front Panel Alpha-
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figure 87 on the next page.
How to Operate the C47, con’t
Figure 83
DISPLAY
BRIGHTNESS
Figure 82
DISPLAY
BRIGHTNESS
Figure 84
MC PHONO LOAD
400O
Figure 85
MM PHONO LOAD
50pF
Figure 86
INPUT: BAL 1
MUTE

McIntosh C47 Specifications

General

Type	Solid State Preamplifier
Total Harmonic Distortion	0.003%
Power Consumption	30 watts
Frequency Response	20Hz - 20kHz (+0, -0.5dB)
Phono Stage	Yes
Digital Inputs	2 Coax, 2 Optical, 1 USB
USB Input	Yes
Headphone Output	Yes
Weight	25 lbs (11.3 kg)
S/N Ratio	100dB
Signal to Noise Ratio	100dB (Line), 80dB (Phono)
Gain	15dB (High Level), 40dB (Phono)
Output Impedance	200 Ohms
Inputs	1 Balanced, 3 Unbalanced, 1 Phono MM
Dimensions	17-1/2" (44.45cm) wide, 6" (15.24cm) high (including feet), 18" (45.72cm) deep (including front panel and cables)