Mackie FR Series M-1400i Specifications Download Page 8

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High-Current Power Amplifier

AMPLIFIER

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High-Current Power Amplifier

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High-Current Power Amplifier

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 

The M

1400/1400i uses a unique T-Design 

constant-gradient cooling tunnel that draws air in 
through the front of the amplifier and forces it out 
through the amplifier’s sides. The T-Tunnel design 
provides a shorter, more direct path for cool air. This 
allows for reduced heat build up and cooler transis-
tor operation.

 

The amplifier has a subwoofer mode that allows 

you to turn on the built-in subwoofer crossover. 
When activated, the signals appearing at the left 
and right inputs are summed, directed to a low-pass 
filter, and routed to both output stages. The inputs 
are summed regardless of stereo, mono, or bridge 
amp mode selection. A switch selects the cutoff fre-
quency of the filter at either 63Hz or 125Hz. 

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Electronic files for this product available at:  

www.mackie.com

This Specification Sheet                                M1400_SS.PDF
Owner/Operator’s Manual                          M1400_OM.PDF

LOUD Technologies continually engages in research related to product improvement. New material, 
production methods, and design refinements are introduced into existing products without notice 
as a routine expression of that philosophy. For this reason, any current LOUD Technologies product 
may differ in some respect from its published description, but will always equal or exceed the origi-
nal design specifications unless otherwise stated. ©1999-2004 LOUD Technologies Inc. All rights 
reserved.

Part No. 091-096-00  Rev B  9/04

(continued from page 1)

www.mackie.com

16220 Wood-Red Road NE, Woodinville, WA  98072  USA

800.898.3211, fax 425.487.4337, [email protected]

UK

 +44.1268.570.808, fax +44.1268.570.809, [email protected]

Summary of Contents for FR Series M-1400i

Page 1: ... a number of unique features including FR Fast Recovery design high continuous current output built in subwoofer crossovers and a T Design constant gradient cooling tunnel for improved cooling efficiency and output device reliability The M 1400 M 1400i is rated at a continuous out put of 250 watts per channel into 8Ω 425 watts per channel into 4Ω and 630 watts into 2Ω In bridge mode the M 1400 M 1...

Page 2: ...d bridging Input Sensitivity 1 23 4 dBu for rated power into 4 ohms Voltage Gain 30 25 dB 32 5V V Maximum Input Level 9 75 volts 22 dBu Rise Time 4 4µs Slew Rate Voltage Slew Rate 50V µs 100V µs bridged Current Slew Rate 32A µs at 2Ω CMRR 40 dB 20Hz to 20kHz Transient Recovery 1µs for 20 dB overdrive at 1kHz High Frequency Overload and Latching No latch up to any frequency or level Variable Low Cu...

Page 3: ...Width 19 00 483 mm Depth 15 25 387 mm Overall Depth 16 38 416 mm Weight 36 lbs 16 3 kg OL 3 6 9 20 3 6 9 20 SIG OL SIG CH 1 30 28 26 20 22 18 24 16 14 8 0 0 1 23v 4dBu SENSITIVITY GAIN dB CH 2 PROTECT COLD HOT SHORT TEMP STATUS INTERNAL STATUS CH 1 CH 2 CH 1 2 ON OFF POWER 3v 2v 1v 30 28 26 20 22 18 24 16 14 8 0 0 1 23v 4dBu SENSITIVITY GAIN dB 3v 2v 1v PROFESSIONAL POWER AMPLIFIER FULL SYMMETRY D...

Page 4: ...CT LED POWER AMPLIFIER FUSE 80VDC FUSE 80VDC DC OFFSET DETECT SHORT DETECT METER DRIVE POWER AMPLIFIER FUSE 80VDC FUSE 80VDC DC OFFSET DETECT TO CH 1 MUTE OL 3 6 9 20 SIG CH 1 SIG CH 2 SHORT LED SHORT DETECT METER DRIVE TO CH 2 MUTE TO CH 1 MUTE TO CH 2 MUTE OL 3 6 9 20 SIG CH 2 SIG SIG TO CH 1 METER DRIVE SIG TO CH 2 METER DRIVE PD s LEASH HOT LED COLD LED TEMP SENSOR ON HEATSINK FROM CH 1 SHORT ...

Page 5: ...FIGURE MANUFACTURING DATE RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION SERIAL NUMBER TYPICAL 35 Hz CHANNEL 2 1 CHANNEL CH 1 CH 2 SPEAKER OUTPUTS 63Hz 125Hz CONSTAN...

Page 6: ... signal present 20 dB 9 dB 6 dB 3 dB and overload Each chan nel shall have internal status LEDs appearing on the front panel to indicate activation of protect mode and short cir cuit protection Two temperature status LEDs shall appear on the front panel one to indicate normal operation COLD and one to indicate thermal protection HOT 7 PROTECTION FEATURES The amplifier shall pro vide delayed activa...

Page 7: ...n the rear panel covering a range of 10Hz OFF to 170Hz 12 CONSTANT DIRECTIVITY HORN EQ Each chan nel shall have a two way switch appearing on the rear panel for selecting a constant directivity horn equaliza tion circuit When selected this circuit shall provide a 6 dB per octave high frequency boost The EQ shall have a variable frequency control appearing on the rear panel covering a range of 2kHz...

Page 8: ...witch selects the cutoff fre quency of the filter at either 63Hz or 125Hz 8 Electronic files for this product available at www mackie com This Specification Sheet M1400_SS PDF Owner Operator s Manual M1400_OM PDF LOUD Technologies continually engages in research related to product improvement New material production methods and design refinements are introduced into existing products without notic...

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