McIntosh MC252 User Manual

13
How to Connect in Mono Bi-Amp (Parallel) Mode
Mono Bi-Amp (Parallel) Hookup Connections
Loudspeaker
Impedance
Loudspeaker Negative
(-) Connection
Loudspeaker Positive
(+) Connection
1
S
(Ohm)
Left and Right Output 2
S
Negative (- ) Connection
Left and Right Output 2
S
Positive (+ ) Connection
2
S
(Ohm)
Left and Right Output 4
S
Negative (- ) Connection
Left and Right Output 4
S
Positive (+ ) Connection
4
S
(Ohm)
Left and Right Output 8
S
Negative (- ) Connection
Left and Right Output 8
S
Positive (+) Connection
To AC Outlet
4 ohm
Loudspeaker
McIntosh C45 Audio Control Center
MC252 Top Rear View
Jumper Wires
additional instruction on making
Loudspeaker Connections contact your
McIntosh Dealer or McIntosh Technical
Support.
5. Attach the supplied Terminal Connection Covers with
the four Mounting Screws (6-32 x 1/4 inch Phillips
Head) to the Rear Panel of the MC252 Amplifier. Refer
to figure 9.
Note: The illustration in figure 9 is for the purpose of
installing the Terminal Connection Covers, showing
the opening on the covers for the Loudspeaker
Cables to exit the MC252. It is not intended to show
which terminal connections to use.
6. Connect the MC252 power cord to an active
AC outlet.

McIntosh MC252 Specifications

General

Power Output per Channel	250 watts
Number of Channels	2
Total Harmonic Distortion	0.005%
Frequency Response	20Hz to 20kHz
Signal to Noise Ratio	112dB
Damping Factor	>40
Dimensions	17-1/2" (44.5cm) wide, 7-5/8" (19.4cm) high (including feet), 20" (50.8cm) deep (including front panel and cables)
Weight	75 lbs (34.1 kg) net, 93 lbs (42.2 kg) in shipping carton
Power Output per Channel @ 2, 4 or 8 Ohms	250 watts
S/N Ratio	112dB
Dynamic Headroom	1.8dB
Rated Power Band	20Hz to 20kHz
Input Impedance	10k ohms (balanced), 20k ohms (unbalanced)
Frequency Response (+0, -0.25dB)	20Hz to 20kHz
Input Sensitivity	2.5V
Output Impedance	2, 4, 8 Ohms