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40 Watt Mixer Amplifier     

 

   Owners Manual 

with Media Player 

 
 

 

 

 

 

 

 

 

      

 

Model #USB-80 

 

 

 
 

 

 

 
©2009 

MCM 

Electronics 

     

   MCM Custom Audio 

MCM Electronics 

Centerville, Ohio 

www.mcmelectronics.com 

 
 

 

Содержание USB-80

Страница 1: ...40 Watt Mixer Amplifier Owners Manual with Media Player Model USB 80 2009 MCM Electronics MCM Custom Audio MCM Electronics Centerville Ohio www mcmelectronics com ...

Страница 2: ...l of physical shock Servicing should be done only by qualified personnel The lightning flash with arrow within a triangle indicates that parts inside are a risk of electrical shock The exclamation point within a triangle indicates that important operation or service instructions are located within the products accompanying paperwork FEATURES Built in USB and SD MMC card reader with MP3 player Infr...

Страница 3: ...l input Signal fed to this input will be mixed with the program material from the MP3 player with the level of both being the same 8 Bass control master This control adjusts low frequencies centered at 100Hz at a rate of 10dB This adjustment affects all inputs as fed to the amplifier but not to the REC output 9 LCD Display Upon insertion of the flash memory the player will determine the total numb...

Страница 4: ... repeat function for the MP3 player Depressing this button will toggle the player between three Repeat modes OFF Repeat Current File Repeat All Files Rear Panel Description 18 DC Fuse Holder Holder contains fuse that provides protection when amplifier is powered by 12VDC This fuse should be replaced only with a 7A 250V fast blow type fuse 19 Speaker Output Terminal Strip Provides screw terminal sp...

Страница 5: ...o the amplifier simply match the impedance of the speaker to the label shown on the terminal strip If the exact impedance is not available connect to the next LOWEST tap For instance if the speaker impedance is 6Ω connect to the 4Ω tap The adjacent illustration shows connection of a single 8Ω speaker to the amplifier If multiple speakers are connected they may be connected in series as shown in th...

Страница 6: ...ombined 8Ω load In this case speakers are separated into pairs connected in series Each series pair yields 16Ω Since both sets are then connected in parallel the net impedance is 8Ω In this second example of a combination of series and parallel wiring eight 8Ω speakers are combined to create a combined 4Ω load In this case speakers are separated into pairs connected in series Each of the four seri...

Страница 7: ...t 5W a total of 8 Model 80 492 outdoor speakers could be connected A second benefit of this type of arrangement is the ability to vary sound level in different areas If higher volume is desired in some areas than others simply select a higher tap in those areas This is completely suitable as long as the total of all speaker taps does not exceed the rated output of the amplifier As mentioned above ...

Страница 8: ... from the MP3 player While audio is played through he amplifier the LED OUTPUT indicator will show relative power output Operating the MP3 Player The built in media player is compatible with all MPP 3 and WMA audio files and will play them automatically when media is inserted into the player It should be noted however that certain MP3 files downloaded from subscription services may contain copyrig...

Страница 9: ...ontinuously repeat This will occur until the A B button is depressed a third time to exit this mode REP Replicates the REPEAT control located on the front of the MPP 3 player PROG Allows a specific list of files to be played in a preset order Depress the PROG button one time to enter the program mode Once in this mode use the 0 9 keys to select the first song to be played then pres the PROG button...

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