McIntosh C2700 User Manual

9
Press the STANDBY/ON Push-button on the Front
Panel or press the (Power ON) Push-button on
the Remote Control to switch On the C2700. The
C2700 will go through a TUBE WARMUP cycle (15
seconds), with the Audio Muted. Refer to illustration
figure A.
Referring to Figure B, the Tubes in the C2700 glow an
amber color and a brief startup initialization with the
Front Panel Information Display indicating “C2700,
TUBE WARMUP”. Refer to figure B.
The illumination of the Tubes will now glow a green
color; this is followed by the last Input Source listened
to and the volume setting indication starting at zero
and then increasing to the last used volume setting.
Refer to figure C.
Switching Power On to the C2700 Tube Preamplifer
C2700 Switch Power On
LED Illumination Color:
Orange - Warmup Mode and
Green - Normal Operation
Preamplifier Small Signal
Vacuu m Tube
Figure B
C2700
Tube Warmup
Figure C
BAL 1 15%
Figure A

McIntosh C2700 Specifications

General

Preamplifier Type	Vacuum Tube
Number of Channels	2
Total Harmonic Distortion	0.08%
Signal to Noise Ratio	100dB
Outputs	3 (2 Balanced + 1 Unbalanced)
High Level Inputs	6
Frequency Response	20Hz to 20kHz +0, -0.5dB
Digital Audio Inputs	2 Optical, 2 Coaxial
Vacuum Tubes	6 12AX7A, 2 12AT7
Dimensions	17-1/2" (44.45cm) width x 7-5/8" (19.4cm) height x 18" (45.7cm) depth
Rated Output Voltage	2.5V Unbalanced, 5V Balanced
Maximum Output Voltage	16V Balanced, 8V Unbalanced
Phono Inputs	1 MC, 1 MM
Output Impedance	100 ohms Unbalanced, 200 ohms Balanced
Headphone Output	Yes
Type	Preamplifier
Gain	15dB (High Level), 40dB (MM), 60dB (MC)