McIntosh C2500 User Manual

13
page 14 for additional information. At this time the
LED above the TRIM Push-button will be illumi-
nated.
3. Press the OUTPUT 2 / MENU ► Push-button to
select the next Setup Mode Menu item “McIntosh
USB AUDIO, V_.__ Firmware”. Refer to figure
2B and to page 14 for additional information.
4. Next, press the OUTPUT 2 / MENU ► Push-but-
ton again and the Front Panel Display will indicate
“SETUP: SOURCE INPUT, TUNER: RCA”
Refer to figure 3.
5. To exit from the Setup Mode, press the TONE
BYPASS/SETUP Push-button. The LED above
the TRIM Push-button will extinguish and the
Front Panel Display will revert back to its normal
display. Refer to figure 1B.
Your McIntosh C2500 has been factory configured for
default operating settings that will allow immediate
enjoyment of superb audio without the need for fur-
ther adjustments. If you wish to make changes to the
factory default settings, a Setup Feature is provided to
customize the operating settings using the Front Panel
Information Display. Refer to the C2500 Front Panel
Illustration on the previous page while performing the
following steps.
Note: If the C2500 is currently On, proceed to step 2.
1. Press the STANDBY/ON Push-button on the
Front Panel or press the (Power) Push-button
on the Remote Control to switch On the C2500.
The Front Panel Display will indicate “SOURCE:
TUNER, TUBE WARMUP”. Refer to figure 1A.
After the Tube Warmup is completed, the C2500
will go through a brief startup initialization with
the Front Panel Display indicating the last used
source and volume setting, this is followed by the
volume setting indication starting at zero and then
increasing to the last used volume setting. Refer to
figure 1B.
2. Press and hold the TONE BYPASS/SETUP Push-
button until the Front Panel Display indicates
“C2500 V_.__, S/N: _______”. The information
indicated on the Front Panel Display includes the
Model Number, Firmware Version and the Serial
Number for this unit; Refer to figure 2A and see
How to Operate the Setup Mode Default Settings
Setup
Figure 1B
SOURCE: TUNER
15%
Figure 3
SETUP: SOURCE INPUT
TUNER : RCA
The Default Settings Chart below indicates the Func-
tion Name, Default Setting and the Page Number for
additional information.
Default Settings
Function Name Setting Page No.
C2500
V_._ _
S/N: _ _ _ _ _ _ _
14
McIntosh USB Audio V_.__ 14
SOURCE INPUT
(Reassignment)
RCA
14
SOURCE INPUT
(Re-asign Input Name)
_____________
>>
_____________
15
LEVEL
(Trim)
0.0dB
16
POWER MODE
(Auto Off)
ENABLED
16
DISPLAY (Brightness) 3 17
TUBE LIGHTS ON 17
PASSTHRU OFF 17
TRIG 1 Output
(Action)
MAIN
18
TRIG 2 Output
(Action)
MAIN
18
COMM PORT
(Baud Rate)
115200
19
REMOTE
(Codes)
NORM
19
Figure 1A
SOURCE: TUNER
TUBE WARMUP
Figure 2A
C2500 V_.__
S/N: _______
Figure 2B
McIntosh USB Audio
V_.__
Note: Setup Mode operations should be performed
in the order they appear in the Setup Menu as
they are interactive.

McIntosh C2500 Specifications

General

Total Harmonic Distortion	0.08%
Signal to Noise Ratio	100dB
Rated Output Voltage	2.5V unbalanced, 5V balanced
Maximum Output Voltage	8V unbalanced, 16V balanced
High Level Voltage Gain	15dB
Type	Vacuum Tube Preamplifier
Inputs	6 unbalanced, 2 balanced, 1 phono MC, 1 phono MM
Outputs	3 unbalanced, 2 balanced
Weight	29 lbs (13.2 kg)
Input Impedance	47k ohms
Phono Voltage Gain	40dB (MM), 60dB (MC)
Frequency Response	+0, -0.5dB from 20Hz to 20, 000Hz +0, -3dB from 10Hz to 100, 000Hz