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WARRANTY

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This warranty protects you for a specific period (“Warranty Period”) from your date of purchase as stated in your bill of sale or as otherwise 

established by Mixhits Audio. The specific Warranty Period is three years. Any warranty replacement parts or product will assume only the remainder 

of the Warranty Period of the original product.

Except as otherwise stated in this policy, this warranty covers defects in materials and workmanship if: (1) you purchased this product from a dealer 

that is a Mixhits Audio authorized dealer with respect to this product at the time of your purchase; (2) your original, dated bill of sale is presented 

whenever warranty service is required during the warranty period; and (3) unless Mixhits Audio states otherwise, you purchased this product in brand 

new condition.

This policy does not cover damage or loss: caused by accident (including force majeure or natural forces), misuse, abuse, neglect, product 

modification; occurring during shipment (even when Mixhits Audio has arranged or paid for shipping); caused by failure to follow instructions in the 

owner’s guide, including failure to perform recommended periodic or routine maintenance or improper maintenance; resulting from repairs by 

someone Mixhits Audio did not authorize; to the decorative surface of this product; caused by using this product for other than its intended purpose, 

or covered under any of your (or your installer’s) insurance policy or coverage. The following are also excluded from this warranty: claims based 

upon any misrepresentations by the seller; if this product’s serial number has been altered, defaced or removed; deterioration of component parts, 

the nature of which is to become worn or depleted with use, even if supplied by Mixhits Audio; any installation, removal or re-installation; any set-up 

calibration or adjustment; any performance variations due to installation-related circumstances, such as program source quality or AC power 

fluctuations.

If this product has a defect covered by this warranty, Mixhits Audio will, at its sole option, either: (1) repair this product at no charge to you, using new 

or refurbished replacement parts, (2) exchange this product with a product that is new or which has been manufactured from new or serviceable 

used parts and is at least functionally equivalent to this product, or (3) refund the purchase price of the product.

This warranty protects only the original end-user (“you”), and is not transferable. Any attempt to transfer this warranty shall immediately make this 

warranty void. This warranty is valid only for Mixhits Audio Professional products, as listed above, purchased from authorized Mixhits Audio 

Professional dealers within the fifty United States, and it does not apply to products purchased or transferred elsewhere. If you purchased this 

product (or have subsequently transferred it) outside the fifty United States, you should contact your local Mixhits Audio distributor for warranty 

information.

You are responsible for transporting your product to (as well as from, in the event that Mixhits Audio finds no defect covered by this warranty) either 

Mixhits Audio or an authorized service center and for payment of all shipping charges; however, Mixhits Audio will pay the return shipping charges 

(in the event you return the product to Mixhits Audio) if the repairs are covered by warranty, provided that, Mixhits Audio reserves the right to choose 

the mode, the carrier and the timing of such return shipping (if Mixhits Audio finds that there are no defects covered by this warranty, then you shall 

be responsible for all shipping charges). If you experience difficulty in transporting your product or are in need of packing materials, please advise us 

and we may be able (but have no obligation) to suggest alternative procedures and/or provide adequate packing materials.

THIS WARRANTY AND REMEDIES SET FORTH ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES, REMEDIES AND 

CONDITIONS, WHETHER ORAL OR WRITTEN, EXPRESS OR IMPLIED. Mixhits Audio SPECIFICALLY DISCLAIMS ANY AND ALL IMPLIED 

WARRANTIES, INCLUDING, WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 

IF MIXHITS AUDIO CANNOT LAWFULLY DISCLAIM IMPLIED WARRANTIES UNDER THIS LIMITED WARRANTY, ALL SUCH WARRANTIES, 

INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE 

DURATION OF THIS WARRANTY.

No Mixhits Audio reseller, agent, or employee is authorized to make any modification, extension, or addition to this warranty.

MIXHITS AUDIO  IS NOT RESPONSIBLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING 

FROM ANY BREACH OF WARRANTY OR CONDITION, OR UNDER ANY OTHER LEGAL THEORY, INCLUDING BUT NOT LIMITED TO LOST 

PROFITS, DOWNTIME, GOODWILL, DAMAGE TO OR REPLACEMENT OF ANY EQUIPMENT OR PROPERTY, ANY COSTS OF RECOVERING, 

REPROGRAMMING, OR REPRODUCING ANY PROGRAM OR DATA STORED IN OR USED WITH Mixhits Audio PRODUCTS. Mixhits Audio’S 

TOTAL LIABILITY IS LIMITED TO THE REPAIR OR REPLACEMENT OF THIS PRODUCT OR TO THE ORIGINAL PURCHASE PRICE 

PURSUANT TO THE TERMS OF THIS WARRANTY.

SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES OR EXCLUSIONS OR 

LIMITATIONS ON THE DURATION OF IMPLIED WARRANTIES OR CONDITIONS, SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT 

APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS THAT VARY BY 

STATE OR (WHERE APPLICABLE IN THE COUNTRIES WHERE Mixhits Audio HAS NON-US/CANADIAN AUTHORIZED DEALERS) COUNTRY. 

NO ACTION OR CLAIM TO ENFORCE THIS WARRANTY SHALL BE COMMENCED AFTER THE EXPIRATION OF THE WARRANTY PERIOD.

Summary of Contents for MRT-B120D

Page 1: ...his manual to obtain the optimum results from this unit We also recommend that you keep this manual handy for future reference ON OFF POWER MIC1 INPUT MRT 120D PROT AUX 2 MIC 3 MIC 1 MIC 2 MASTER 100V SIG CLIP TREBLE BASS 10 0 10 0 10 0 10 0 10 0 10 0 4 16Ω MIC 4 AUX 1 A U D I O ...

Page 2: ...Y PRECAUTIONS 3 2 GENERAL DESCRIPTION 5 3 FEATURES 5 4 FUNCTIONS 4 1 Front Panel 6 4 2 Rear Panel 7 5 OPERATION ILLUSTRATION 8 6 9 7 APPLICATIONS 10 8 BLOCK DIAGRAM 11 9 SPECIFICATIONS 12 10 DIMENSIONAL DIAGRAM 14 TROUBLESHOOTING ...

Page 3: ...the power cord as doing so may result in fire or electric shock Be sure to replace the unit s terminal cover after connection completion Because high voltage is applied to the speaker terminals never touch these terminals to avoid electric shock Be sure to ground the safety ground earth terminal to avoid electric shock Never ground to a gas pipe as a catastrophic disaster may result Avoid installi...

Page 4: ...r steam as doing otherwise may result in fire or electric shock When the Unit is in Use Do not place heavy objects on the unit as this may cause it to fall or break which may result in personal injury and or property damage In addition the object itself may fall off and cause injury and or damage Make sure that the volume control is set to the minimum position before the power is switched on Loud ...

Page 5: ...nput has independent gain adjustment and overall treble bass and master volume control 4 The mixer amp is equipped with level indication overload and protection indicator and provides protection for short circuits overload and overheat situations 5 The microphone inputs provide priority over the AUX inputs EMC takes precedence over all audio inputs 6 Channel priority function EMC MIC1 MIC2 MIC3 MI...

Page 6: ...L 11 12 1 2 3 4 5 6 7 8 9 10 1 MIC1 unbalanced input jack 2 MIC1 volume control knob 3 MIC2 volume control knob 4 MIC3 volume control knob 5 MIC4 AUX1 volume control knob 6 AUX2 volume control knob 7 BASS adjustment potentiometer 8 TREBLE adjustment potentiometer 9 Master volume control 10 PROT 70V 4 16 OHM CLIP SIGNAL STATUS 11 Power switch 12 Power indicator ...

Page 7: ...ch 4 Cooling fan 5 Line output interface 6 2 channel AUX input interface 7 Line input Mic input Phantom power switch for MIC4 8 MIC4 AUX1 Balance input 9 Line input Mic input Phantom power switch for MIC3 10 MIC3 Balance input 11 Line input Mic input Phantom power switch for MIC2 12 MIC2 Balance input 13 MUTE control switch 14 Line input Mic input Phantom power switch for MIC1 15 EMC input interfa...

Page 8: ...nal devices Please ensure that the equipment and all equipment will be connected is powered off Using the corresponding cable to connect this equipment and other external equipment 3 Connect the power line and turn it on Please make sure that the power switch of the Mixer Amp and its connected equipment are turned off Turn the volume knob to the left Connect the supplied power line to the AC IN in...

Page 9: ...ached 2 Turn off the power switch of the Mixer Amplifier prior to turning off the input sources 6 TROUBLESHOOTING Symptom Cause 1 Power switch is not opened 1 Power line is cut off 2 The protection function of the equipment is not activated 2 All lines are connected but there is no sound 1 The power switch is not on or the power plug is not connected to a live AC outlet 2 The fuse has failed 3 The...

Page 10: ...4 MIC 3 MIC 2 EMC IN MUTE G G G G MIC 1 NC G OUTPUT 100V 4 16Ω NC NC 7 APPLICATIONS REAR PANEL CONNECTIONS 10 OPEN CLOSE PLAY STOP NEXT PREVIOUS ON OFF POWER Audio source equipment M I C VOL PLAY MSG MIC in PLAY SIREN REC in ON OFF STANDBY PLAY ALARM MODE RECORD STOP START Alarm signal generator Speaker AC power input ...

Page 11: ... SS TREBLE LEVEL Protection circuit LED display Fun control Amplifier output LEVEL LEVEL LEVEL LEVEL LEVEL MUTE_MIC1 MUTE_ALL Q2 GND MUTE_ALL Q1 GND MUTE_MIC1 AUDIO OUT Switchover between and 100V 4 16Ω DC 24V inverter power supply switching power supply Amplifier module ...

Page 12: ...4 inches 180W 9 5 lbs 110V 50Hz 120V 50Hz 220V 50Hz 230V 50Hz 240V 50Hz 110V 60Hz 120V 60Hz 220V 60Hz 230V 60Hz 240V 60Hz 120W 4 16Ω 100V MIX OUT 1000mV 470Ω unbalanced RCA connection terminal Bass 10dB at 100Hz Treble 10dB at 10KHz 80Hz 16KHz 1dB 3dB Power indicator 50dB MIC1 2 3 66dB AUX1 2 85dB 0 05 at 1KHz 1 3 rated power T B120D Protection Mode Voltage Operation Temperature Storage Temperatur...

Page 13: ... SIG CLIP TREBLE BASS 10 0 10 0 10 0 10 0 10 0 10 0 4 16Ω 1 75 1 9 19 44 12 5 6 10 DIMENSIONAL DIAGRAM 14 UNIT Inches 1 75 17 1 ON OFF POWER MIC1 INPUT PROT MIC 4 AUX 1 AUX 2 MIC 3 MIC 1 MIC 2 MASTER 100V SIG CLIP TREBLE BASS 10 0 10 0 10 0 10 0 10 0 10 0 4 16Ω Warning Keep all sides of the unit clear and free from dust and objects to avoid overheating of the amplifier and potential fire hazards A...

Page 14: ...ot apply to products purchased or transferred elsewhere If you purchased this product or have subsequently transferred it outside the fifty United States you should contact your local Mixhits Audio distributor for warranty information You are responsible for transporting your product to as well as from in the event that Mixhits Audio finds no defect covered by this warranty either Mixhits Audio or...

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