McIntosh C47 User Manual

21
After approximately 6 seconds the Information
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The Intensity of the High Frequencies in the music can
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and Trim Adjust Control. To make an adjustment per-
form the following:
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Information Display. Refer to figure 70.
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the volume level of the high frequencies.
The Front Panel Display indicates the Treble changes
in steps from +12dB to -12dB. After approximately
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and Trim Adjust Controls. To make an adjustment
perform the following:
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tion Display. Refer to figure 73.
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level of the low frequencies.
The Front Panel Display indicates the Bass changes
in steps from +12dB to -12dB. After approximately
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The Front Panel Display indicates the Balance changes
are from 0 to 50dB. After approximately 4 seconds
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and select Balance.
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levels resulting in the need to readjust the C47 Volume
Control when switching between different sources.
The C47 allows the adjustment of levels for each of the
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perform the following steps:
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Panel Information Display. Refer to figures 60, 63
and 67.
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average volume level of the Input most frequently
listened to. The range of adjustment is ± 6.0dB in
half dB steps. Refer to figures 68 and 69.
How to Operate the C47
Figure 65
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L BALANCE R
Figure 67
INPUT TRIM
0.0 dB
Figure 68
INPUT TRIM
-2.5 dB
Figure 66
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L BALANCE R
Figure 69
INPUT TRIM
+4.0 dB
Figure 70
TREBLE
0 dB
Figure 71
TREBLE
+12dB
Figure 72
TREBLE
-12dB
Figure 73
BASS
0 dB
Figure 74
BASS
+12dB
Figure 75
BASS
-12dB

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)