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5. OPERATION

 9

1.

T

EL

 has priority over all inputs.

2.

MIC 1 is second priority, adjusting the mute level
can override all other input signals except for the

TEL

 signal.

MUTE  FUNCTION

1.

Product is in protection
mode due to high
temperature

 

or malfunction

2.

Wrong wiring or connections

OPERATION 

You can choose 

only

 

two of the four output connector

to 

work together. If voltage is 70V/100V the speakers must 
have a transformer, make sure the total power wattage of 
speaker is 15% less than the power wattage

 

of amplifier.    

TROUBLESHOOTING

No output

All wires are connected

 

properly but there is no

 

audio output

Cause

1.

No power or wrong
connection

2.

Fuse is blown

3.

Volume is turned off

4.

No input signal

Alarm sounds when
power is turned on

1.

Overloading or short circuit

2.

Voltage is not stable, too
high or low

Problems

Содержание DA120R

Страница 1: ......

Страница 2: ...UTIONS 3 2 GENERAL DESCRIPTION 5 3 FEATURES AND FUNCTIONS 3 1 Front Panel 6 3 2 Rear Panel 6 4 CONNECTIONS 4 1 Speaker Connections 7 5 7 6 8 7 APPLICATION DIAGRAM 9 8 SPECIFICATIONS 10 9 DIMENSIONAL DIAGRAM 11 OPERATION APPLICATIONS 2 ...

Страница 3: ...ton Audio dealer Do not place cups bowls or anything containing liquid or metal objects on top of the product To prevent fire or electric shock do not insert metal objects or flammable materials in the cover or vents of this product Do not expose this product to rain or an environment where it could be splashed by water or other liquids Only use this product with the voltage specified Using higher...

Страница 4: ...sunlight near heaters or in locations generating sooty smoke steam When Installing the Unit Do not place heavy objects on top of the product This can result in the product or object to fall causing personal injury or property damage Before powering on the product make sure that the master volume control is set to the lowest setting Loud or high volume noise can damage or impair hearing Do not oper...

Страница 5: ...uencies with minimum noise and high fidelity even at high volume 4 Protection against overload short circuit and power fluctuation for optimum reliability 5 VOX feature mutes AUX inputs when input is detected on MIC 1 Time Adjust control allows resumption of music to be sharp or gradual 6 Phantom power available on MIC 1 input for condenser type microphones 7 TEL priority TEL override AUX1 2 and M...

Страница 6: ...justment Rotate clockwise to increase treble output and counterclockwise to reduce it 7 MASTER Master volume control 8 POWER SWITCH ON OFF toggle switch 9 POWER Power indicator 10 LEVEL INDICATORS Signal output level indicators 11 PROT Protection mode status indicator This indicator will illuminate if the product is in protection mode due to overheating or overload 12 TEMP High temperature status ...

Страница 7: ...vel from 0 20 dB during signal override of all channels by MIC1 input 16 MIC1 input compatible with XLR and 1 4 phono plugs 17 Phantom power ON OFF switch 18 MIC2 MIC3 MIC input MIC 2 3 inputs 1 4 Phono plug 19 TEL INPUT Ground Negative Positive 20 AUX1 AUX2 AUX input AUX 1 2 inputs Auxiliary inputs for additional audio equipment 21 LINE OUT L R RCA outputs for sending audio to additional equipmen...

Страница 8: ...IONS 4 2 XLR CONNECTIONS 4 16 4 CONNECTIONS 8 DA120R 41 DA120R 83 Be sure to replace the speaker terminal cover after speaker connections have been made The 4 16 ohm and 70V 100V terminals cannot both be used at the same time Impedances indicated in the figures represent the total speaker system load impedances ...

Страница 9: ...only two of the four output connectors to work together If voltage is 70V 100V the speakers must have a transformer make sure the total power wattage of speaker is 15 less than the power wattage of amplifier TROUBLESHOOTING No output All wires are connected properly but there is no audio output Cause 1 No power or wrong connection 2 Fuse is blown 3 Volume is turned off 4 No input signal Alarm soun...

Страница 10: ...6 APPLICATIONS 10 AUDIO OUT R L COM ADRESS TAG AUDIO SOURCES LINK INPUTS XLR BAL 1 GND 2 HOT 3 COLD 1 2 3 1 2 3 OUTPUTS INPUTS POWER AMPLIFIER SPEAKERS MIC 2 MIC1 MIC 3 TEL INPUT ...

Страница 11: ...7 APPLICATIONS DIAGRAM 70V COM 4 TO PA BASS TREBLE VOLUME PROTECT LEVEL INDICATOR POWER Z 110V 60Hz PT COM 100V COM EB EB LINE OUT MIC1 MIC1 MIC2 MIC3 AUX1 AUX2 TEL MUTE MUTE 11 ...

Страница 12: ...AUX in 1kHz preamp out Input sensitivity impedance S N Frequency Response 3dB Tone control Bass 100 Hz Treble 10 kHz Pre Amp Out Total harmonic distortion Line level output Cooling mode Power source Power consumption Net weight Dimensions mm 4 16 70V 100V MIC1 2 3 5 mV 600 ohms AUX 350 mV 10k ohms Better than 90 dB 50 Hz 18 kHz 5 mV 600 ohms Better than 62 dB 10 dB 48V DC 350 mV 10k ohms Better th...

Страница 13: ...100 Over 100 Over Over 100 9 DIMENSIONAL DIAGRAM UNIT mm 6 84 84 303 88 94 430 484 13 UNIT mm ...

Страница 14: ......

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