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Mcintosh MI254

4-Channel Digital Amplifier

The MI254 4-Channel Digital Amplifier is a versatile multi-channel amplifier ideal for use in distributed audio, home theater or 2-channel stereo playback. It delivers 250 Watts into 8 Ohm speakers or 300 Watts into 4 Ohm speakers via its highly sophisticated closed loop digital switching amplifiers. These amplifiers are paired with extremely robust power supplies that produce performance levels rarely achieved in distributed audio.

It has installer-friendly physical dimensions and is 2U rack mountable via the included mounting ears (the mounting ears are removable for non-rack installations). As a highly efficient Class D amplifier, it does not require noisy cooling fans to maintain nominal operating temperature. In addition to distributed audio use, the MI254 is well suited for home theaters to drive surround sound speakers and could be integrated into virtually any existing home theater system.

On the front panel are two blue McIntosh Watt Meters that display the summed power output of channels 1 + 2 and channels 3 + 4. Multi-color LED indicators display the status of each channel. The back panel includes both a balanced and unbalanced input for each channel along with our standard 5-way speaker binding posts.

Other features that come with the MI254 are: Loudspeaker Guard signal overload technology that prevents overdriving the speakers; our Sentry Monitor™ short-circuit protection circuit that disengages the output stage before current exceeds safe operating levels and then resets automatically when operating conditions return to normal; BUS input & outputs to easily distribute a stereo signal to multiple outputs and/or multiple amplifiers; individual channel inputs; 12 Volt triggering capabilities; and eco-friendly on/off signal sensing that turns the unit off if no input signal has been detected for a set amount of time or automatically turns the amp on when it senses a signal. 

The MI254 includes many McIntosh design cues including a black glass front panel, blue Watt meters, an illuminated McIntosh logo, and a familiar form factor highlighted by silver trim.


ELECTRONIC SPECIFICATIONS
Power Output per Channel
250 Watts into 8 Ohms
300 Watts into 4 Ohms
Number of Channels
4
Total Harmonic Distortion
0.025%
S/N below rated output
100dB
Dynamic Headroom
8 Ohms: 2.5dB
4 Ohms: 3.5dB
Damping Factor
8 Ohms: >85
4 Ohms: >45
Rated Power Band
20Hz to 20kHz
Frequency Response
+0, -0.9dB from 20Hz to 20,000Hz

CONTROL
Remote Power Control
Yes
Multi-Channel DB25 Cable
N/A

CONNECTIVITY
Speaker Binding Post Type
Standard

GENERAL SPECIFICATIONS
Circuit Configuration
Closed loop digital switching
Circuit Design
Digital
Mono Bridge
N/A
Mono Parallel
N/A
Output Type
Direct Coupled
Meters
Yes
Meter Light Switch
No
Balanced Input
4
Front Panel
Glass with removable rack mounting ears
Illumination
Direct LED
Chassis Style
Black painted steel

WEIGHTS & DIMENSIONS
Dimensions (W x H x D)
17-1/2" (44.45cm) (19" (48.3cm with mounting ears)) x 4-5/16" (11cm) (including feet) x 21" (53.3cm) (including front panel and cables)
Weight
23.5 lbs (10.7 kg)
Shipping Weight
40 lbs (18.1 kg)

לאתר היצרן: לחץ כאן
 

הוסף למוצרים שלי

מחיר: ₪26,630

     
 
Avi Yaffe Jerusalem Recording Studios Ltd., Since 1963 הוקם על-ידי סטודיו דקל - עיצוב אתרים