Monoprice 14886 User Manual Download Page 6 | Manualshive

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Monoprice 14886 User Manual Download Page 6

6

PRODUCT OVERVIEW

Front Panel

1.

MIC 1 Input: Unbalanced stereo 1/4" (6.35mm) TRS microphone level input. This
input is never muted and always broadcasts, even when the EMC trigger is
detected.

2.

MIC 1 / MIC 2 / MIC 3 Knobs: Mixing level controls for the three microphone
inputs.

3.

AUX 1 / AUX 2 Knobs: Mixing level controls for the two auxiliary inputs.

4.

BASS Knob: Master bass level control.

5.

TREBLE Knob: Master treble level control.

6.

MASTER Knob: Master volume level control.

7.

ON / OFF Switch: Power switch.

8.

POWER LED Indicator: Power LED indicator illuminates when power is applied.

9.

OUTPUT LEVEL LED Indicators: Output level meter.

10.

PROT LED Indicator: If a short circuit, overload condition, or excessive
temperature condition is detected, the output will be disconnected and the
PROT LED will illuminate, indicating that the protection circuit is active. To reset
the protection circuit turn the amplifier off, then back on.

11.

TEMP LED Indicator: If excessive temperatures are detected, the TEMP LED will
illuminate.

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Summary of Contents for 14886

Page 1: ...0 1 2 3 4 6 7 8 9 10 0 5 4 3 2 1 1 2 3 4 5 0 5 4 3 2 1 1 2 3 4 5 5 0 1 2 3 4 6 7 8 9 10 5 0 1 2 3 4 6 7 8 9 10 5 0 1 2 3 4 6 7 8 9 10 5 0 1 2 3 4 6 7 8 9 10 5 0 1 2 3 4 6 7 8 9 10 ON OFF P N 18803 60 Watt P N 14886 120 Watt P N 18805 240 Watt Commercial Audio 5 Channel 70V 100VMixer Amplifier with Microphone Priority ...

Page 2: ...S 5 PRODUCT OVERVIEW 6 Front Panel 6 Rear Panel 7 CONSTANT VOLTAGE VS LOW IMPEDANCE SPEAKER SYSTEMS 8 WIRE PREPARATION 9 INSTALLATION AND SETUP 10 INSTALLATION NOTES 13 FUNCTIONAL BLOCK DIAGRAM 14 SPECIFICATIONS 15 REGULATORY COMPLIANCE 16 Notice for FCC 16 Notice for Industry Canada 16 ...

Page 3: ... and openings in the case Do not block or cover these openings Ensure that the device is in an open area where it can get sufficient airflow to keep from overheating Do not place or install this device in an area where it can be exposed to excessive amounts of dust humidity oil smoke or combustible vapors Use only in a well ventilated area Do not use in close confined spaces Prior to operation che...

Page 4: ... total wattage rating of the speaker array does not exceed 80 of the amplifier s rated RMS power level i e 48 18803 96 14886 or 192 18805 watts depending on model Because high voltage is present on the 70V and 100V speaker output terminals always use the included terminal cover to prevent electric shock from accidental contact INTRODUCTION Thank you for purchasing this 5 Channel 70V 100V Mixer Pub...

Page 5: ...or MIC 2 and MIC 3 Two unbalanced RCA auxiliary line inputs One EMC priority input Master volume bass and treble controls Front panel level controls for all inputs 0 30dB variable muting for all channels except MIC 1 when MIC 1 is in use Built in short circuit over current and high temperature protection circuits Line level output of mixed signal for connection to other devices PACKAGE CONTENTS Pl...

Page 6: ...r treble level control 6 MASTER Knob Master volume level control 7 ON OFF Switch Power switch 8 POWER LED Indicator Power LED indicator illuminates when power is applied 9 OUTPUT LEVEL LED Indicators Output level meter 10 PROT LED Indicator If a short circuit overload condition or excessive temperature condition is detected the output will be disconnected and the PROT LED will illuminate indicatin...

Page 7: ...ing you to talk over the other audio content The amount of signal reduction is from 0dB to 30dB 16 MIC 2 MIC 3 Unbalanced stereo 1 4 TRS microphone inputs 17 MIC 2 MIC 3 LINE INPUT Unbalanced stereo RCA microphone line level inputs 18 AUX 1 INPUT AUX 2 INPUT Stereo line level RCA auxiliary inputs 19 MIX OUT Stereo line level RCA output of the final mix 20 FAN The cooling fan automatically turns on...

Page 8: ...er system you must either connect them in series which results in an overall 16 ohm impedance or in parallel which results in an overall 4 ohm impedance In the first case the 16 ohms impedance effectively halves the output power of your amplifier resulting in lower overall volume levels In the latter case the 4 ohms impedance means that your amplifier will have to work harder and must be rated as ...

Page 9: ...need to be louder than a speaker placed in a small room WIRE PREPARATION Regardless of which type of speaker array this amp will drive you will need to use speaker wire not included to connect the amp to the speaker array To prepare a length of speaker wire for connection perform the following steps 1 Use a wire stripper not included to remove about 3 8 9 5mm of insulation from both conductors on ...

Page 10: ...ifier then plug the other end into the stereo output of your CD player 3 Using a stereo RCA cable not included plug one end into the AUX 2 input on the amplifier then plug the other end into the stereo output of your FM tuner 4 Plug a microphone not included into the MIC 1 input on the amplifier Note that this must be either a dynamic microphone or a condenser microphone with its own power source ...

Page 11: ...nnect the negative speaker wire lead to the COM terminal on the amplifier 11 If using a low impedance speaker array connect the positive speaker wire lead to the 4 16Ω terminal on the amplifier If using a 70V constant voltage speaker array connect the positive speaker wire lead to the 70V terminal on the amplifier If using a 100V constant voltage speaker array connect the positive speaker wire lea...

Page 12: ...m the FM tuner is at the desired level In most cases this will be such that the volume levels from the CD player and FM tuner are identical 23 Turn on MIC 2 While speaking into the microphone rotate the MIC 2 knob clockwise until the volume is at the desired level Note Depending on the microphone type and its output level you may need to adjust the MIC 2 GAIN control on the rear panel 24 Turn on M...

Page 13: ...g the audio mix Congratulations your PA system is setup and configured and is ready for use INSTALLATION NOTES If using a 70V or 100V constant voltage speaker array ensure that the total wattage does not exceed 80 of the amplifier s RMS capacity i e 48 18803 96 14886 or 192 18805 watts For best results MIC 1 should have a power switch so that it can be turned off to prevent accidental broadcast Yo...

Page 14: ...14 FUNCTIONAL BLOCK DIAGRAM ...

Page 15: ...EMC Unbalanced EMC 775mV 10 kilohms Bass Adjustment 10dB at 100Hz Treble Adjustment 10dB at 10kHz Frequency Response 50Hz 16kHz Signal to Noise Ratio MIC 1 3 66dB AUX 1 2 80dB THD 0 5 at 1kHz 1 3 rated power Crosstalk 50dB Muting Function Automatic 0 30dB reduction on all inputs except MIC 1 when MIC 1 is active Protection Short circuit over current overheating Input Power 100 120 VAC 50 60Hz Powe...

Page 16: ...protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interferenc...

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