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O W N E R ’ S   M A N U A L

Two Channel Power Amplifiers

FRS•1700 and FRS•2800

FRS Series

MAX

O

O

1

2

O

O

MAX

FRS

2800

FAST RECOVERY POWER AMPLIFIER

OL

-3

-6

-9

-20

SIG

OL

-3

-6

-9

-20

SIG

AMP MODE

CHANNEL 2

CHANNEL 1

BRIDGED

BRIDGED

POWER CONSUMPTION

2000 W

CH 1

 

CH 1

CH 2

CH 2

 

CLIP LIMIT

THRU

THRU

FILTER

SUBSONIC @ 30Hz

PIN

1+
1

PIN

1+
2+

1+
1

PIN

2+
2

PIN

1+
1

BRIDGE

STEREO

MONO

SPEAKER OUTPUTS

Use only class 3 wiring

THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES.  OPERATION IS SUBJECT TO THE 
FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, 
AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE 
THAT MAY CAUSE UNDESIRED OPERATION.

AVIS: RISQUE DE CHOC ELECTRIQUE — NE PAS OUVRIR

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: 

N'OUVREZ PAS LA COUVERTURE. N'EXPOSEZ PAS 

CET ÉQUIPEMENT À LA PLUIE OU À L'HUMIDITÉ.

INPUT

FRS

2800

FAST RECOVERY POWER AMPLIFIER

Summary of Contents for FRS1700

Page 1: ...S WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR WARNING TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSETHIS EQUIPMENTTO RAIN OR MOISTURE DO NOT R...

Page 2: ...interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the rece...

Page 3: ...est parts at a rock concert 21 Exposure to extremely high noise levels may cause permanent hearing loss Individuals vary considerably in susceptibility to noise induced hearing loss but nearly everyone will lose some hearing if exposed to sufficiently intense noise for a period of time The U S Government s Occupational Safety and Health Administration OSHA has specified the permissible noise level...

Page 4: ... rack mounting where it will take up two rather lovely rack spaces Two handles are fitted on the front panel for easy transporting Features Fast Recovery circuitry for clean undistorted sound Ultra lightweight switching power supply for maximum efficiency and minimal heat Available in two powerful models FRS 1700 1660W continuous power at 4 ohms bridged FRS 2800 2800W continuous power at 4 ohms br...

Page 5: ...nd mono modes connect speaker cables to the speaker outputs either the binding posts or the NL4 connectors The binding post connectors are wired as follows Red hot speaker terminal Black cold speaker terminal The NL4 connectors are wired as follows 1 hot speaker terminal 1 cold speaker terminal 5 In bridge mode if using the binding post outputs Ch 1 red post hot speaker terminal Ch 2 red post cold...

Page 6: ...VRIR WARNING TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSETHIS EQUIPMENTTO RAIN OR MOISTURE DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICINGTO QUALIFIED PERSONNEL AVIS N OUVREZ PAS LA COUVERTURE N EXPOSEZ PAS CET ÉQUIPEMENT À LA PLUIE OU À L HUMIDITÉ From Mixing Console Mono Out AMP MODE SWITCH MONO CH 1 AND CH 2 PLAY THE SAME To Speakers OPTIONAL CONNECTION USING B...

Page 7: ...5 OF THE FCC RULES OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE AND 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR WARNING TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSETHIS EQUIPMENTTO RAIN OR MOISTURE DO NOT REMOVE COVER N...

Page 8: ...signals are below maximum output power by 3 dB 6 dB 9 dB and 20 dB SIG is short for signal present These LEDs indicate when a signal is present after the level controls at the output stage of the power amplifier If the level controls are turned all the way down fully counterclockwise these indicators will not light 4 LevelControls These two knobs control the levels of channels 1 and 2 The knobs ar...

Page 9: ...power transistors If these vents are restricted then the amplifier may overheat and shut down 7 SpeakerOutputs There are two options for connecting speakers binding posts and NL4 connectors Since the connectors are wired in parallel e g channel 1 binding post and NL4 are in parallel and channel 2 binding post and NL4 are in parallel you can connect a speaker to each connector as long as the total ...

Page 10: ...meaning you probably won t even notice any audible difference when the switch is turned on We recommend that you leave this switch on at all times However if you are working at quiet levels or you have already placed a compressor limiter in the signal path you can leave this switch off The limiter senses when the amplifier is about to be overdriven and attenuates the overall level just enough to k...

Page 11: ...lifier should overheat a thermal switch turns off the power amplifier allowing the heatsink to cool down Once the amplifier has cooled to a safe operating temperature the thermal switch resets and reactivates the amplifier If this should occur identify the cause of the problem and take corrective action For example Provide better ventilation Install a fan in the rack to move more air Make sure the...

Page 12: ...ifier Loudspeakers not working properly If you think your Mackie product has a problem please check out the following troubleshooting tips and do your best to confirm the problem Visit the Support section of our website www mackie com support where you will find lots of useful information such as FAQs documentation and user forums You may find the answer to the problem without having to send your ...

Page 13: ...ing continuously If so turn down the signal source or the amp level controls Can the amp breathe It needs plenty of fresh air to stay cool Do not block the ventilation holes Noise Hum Check the signal cable between the mixer and the amplifier Make sure all connections are good and sound Make sure the signal cable is not routed near AC cables power transformers or other EMI inducing devices Is ther...

Page 14: ...ler than recommended conductor size will result in higher power losses 2 2 3 1 1 SHIELD COLD HOT SHIELD COLD HOT 3 SHIELD COLD HOT 3 2 1 SLEEVE TIP SLEEVE TIP RING RING TIP SLEEVE RING SLEEVE TIP TIP SLEEVE TIP SLEEVE Minimum AWG 4 ohm 8 ohm 18 10 ft 25 ft 16 25 50 14 25 75 12 50 125 10 100 200 Min Metric WG 4 ohm 8 ohm 12 3 m 8 m 14 8 15 16 8 25 20 15 40 25 30 60 COLD HOT 1 1 1 1 2 2 Use a high q...

Page 15: ...t Doing load calculations with series configurations is easy just add the loads For instance two 4 ohm speakers in series equals 8 ohms 4 4 8 Parallel Parallel means that the positive amp output con nects to the positive terminals of all the speakers and the negative amp output connects to the negative terminals of all the speakers If one speaker opens in a parallel configuration the others will s...

Page 16: ...right to change these specifications at any time without notice Mackie and the Running Man are registered trademarks of LOUD Technologies Inc All other brand names mentioned are trademarks or registered trademarks of their respective holders and are hereby acknowledged 2012 LOUD Technologies Inc All Rights Reserved Specifications Continuous Sine Wave Average Output Power per channel both channels ...

Page 17: ...EREO MONO BRIDGE SUBSONIC FILTER ON OFF ON OFF ON OFF ON HVDC POWER AMP 1 POWER AMP 2 PROTECTION DC OFFSET OVER TEMP SHORT CIRCUIT CURRENT LIMIT AMPLIFIER LVDC LVDC HVDC HVDC LVDC LVDC HVDC METER DISPLAY OFF CHANNEL 1 SPEAKER OUT BRIDGED SPEAKER OUT CHANNEL 2 SPEAKER OUT 1 1 2 2 1 1 2 2 TEMP SENSOR ON HEATSINK FAN VARIABLE SPEED CONTROL VDC POWER SWITCH SWITCHING POWER SUPPLY HVDC LVDC LVDC HVDC V...

Page 18: ...fiers FRS 1700 WEIGHT 21 5 lbs 9 7 kg FRS 2800 WEIGHT 22 lbs 10 kg 19 0 in 483 mm 3 5 in 89 mm 1 5 in 38 mm 14 7 in 373 mm 13 5 in 343 mm 17 1 in 434 mm 14 7 in 373 mm 1 5 in 38 mm OL 3 6 9 20 SIG OL 3 6 9 20 SIG 2 O O MAX MAX O O 1 Dimensions ...

Page 19: ...e noncompliance within the Warranty Period to the Company at www mackie com support or by calling LOUD technical support at 1 800 898 3211 toll free in the U S and Canada during normal business hours Pacific Time excluding weekends or LOUD holidays Please retain the original dated sales receipt as evidence of the date of purchase You will need it to obtain any warranty service For full terms and c...

Page 20: ...16220 Wood Red Road NE Woodinville WA 98072 USA Phone 425 487 4333 Toll free 800 898 3211 Fax 425 487 4337 www mackie com ...

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