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Please follow the instructions in this manual to obtain the optimum results from this unit.

We also recommend that you keep this manual handy for future reference.

MIXER  AMPLIFIER 

SA-40B

O

P

E

R

A

T

IO

N

 M

A

N

U

A

L

SA-20B

MIC1

INPUT

BASS

TREBLE

MIC2

TEL

OUTPUT LEVEL

2

4

6

8

10

PROT

POWER

MIC1

AUX

MASTER

ON

OFF

0

0

0

0

1

1

1

1

2

2

2

2

3

3

3

3

4

4

4

4

5

5

5

5

6

6

6

6

7

7

7

7

8

8

8

8

10

10

10

10

-5

-5

0

0

-1

-1

-2

-2

-3

-3

-4

-4

+1

+1

+2

+2

+3

+3

+4

+4

+5

+5

5

 0

 1

 2

 3

 4

 6

 7

 8

 9

10

ON

OFF

MIC1

INPUT

BASS

TREBLE

MIC1

MIC2

MIC3

AUX1

AUX2

TEL

MASTER

POWER

2

PROT

TEMP

4

6

8

10

12

OUTPUT LEVEL

SA-120B

SA-60B

SA-40B
MIXER AMPLIFIER

SA-120B
MIXER AMPLIFIER

PUBLIC ADDRESS SYSTEM

Summary of Contents for SA-20B

Page 1: ...REBLE MIC2 TEL OUTPUT LEVEL 2 4 6 8 10 PROT POWER MIC1 AUX MASTER ON OFF 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 7 8 8 8 8 9 9 9 9 10 10 10 10 5 5 0 0 1 1 2 2 3 3 4 4 1 1 2 2 3 3...

Page 2: ...TABLE OF CONTENTS 1 SAFETY PRECAUTIONS 3 2 SA 20B 40B MIXER AMPLIFIER 5 3 SA 60B 120B MIXER AMPLIFIER 14 2...

Page 3: ...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 electri...

Page 4: ...sooty smoke or 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 pe...

Page 5: ...and 1 channel 300mv 10Kohms AUX input 4 1 channel MIC1 balanced unbalanced input 2 5 5mv 1 2Kohms 5 1 channel TEL input sensitivity 1 6 builin treble bass adjusting bass 10dB at 100Hz treble 10dB at...

Page 6: ...treble response Rotate clockwise to increase treble output and anticlockwise to reduce it 7 MASTER Master volume control 2 NOMENCLATURE AND FUNCTIONS 8 POWER Power indicator 9 POWER SWITCH On top of t...

Page 7: ...rride all the other inputs 15 MIC input with phantom power MIC1 input compatible of XLR and MIC 16 MIC 1 PHAN TOM 48V Power switch 17 MIC 2 MIC input MIC2 input of MIC 18 AUX input AUX for extra equip...

Page 8: ...70V 100V COM 4 16 70V 100V COM 4 16 SA 20B 500 100V LINE 70V 100V COM 4 16 SA 20B 245 70V LINE 3 1 SPEAKER CONNECTIONS 4 2 XLR CONNECTIONS 4 16 3 CONNECTIONS 70V 8 SA 40B 125 SA 40B 250...

Page 9: ...The four output connectors only can choose two connectors work together If voltage is 70V 100V the speakers must be with transformer and make sure the total power wattage of speaker is 15 less than th...

Page 10: ...1 AUDIO OUT R L COM AUDIO SOURCES LINK INPUTS XLR BAL 1 GND 2 HOT 3 COLD 1 2 3 1 2 3 OUTPUTS INPUTS POWER AMPLIFIER 10 LINE OUT AUX MIC 2 MUTE MIC 1 XLR 6 30 INPUT BAL UNBAL 48V PHANTOM OUTPUTS COM 4...

Page 11: ...6 BLOCK DIAGRAM COMP COMP GAIN AMP GAIN AMP GAIN AMP POWER AMP GAIN AMP 11...

Page 12: ...y response At 1KHz Half power output MIC1 2 input section MIC in 1Khz preamp out Input sensitivity impedance AUX input section AUX in 1Khz preamp out SA 40B 4 16 70V 100V 20W 1V 1KHz 80Hz 16KHz 1dB 3d...

Page 13: ...POWER MIC1 AUX MASTER ON OFF 5 5 0 0 1 1 2 2 3 3 4 4 1 1 2 2 3 3 4 4 5 5 5 0 1 2 3 4 6 7 8 9 10 LINE OUT AUX MIC 2 MUTE MIC 1 XLR 6 30 INPUT BAL UNBAL 48V PHANTOM OUTPUTS COM 4 16 70V 100V TEL INPUT...

Page 14: ...ies with min noise and high fidelity even at high volume 4 Reliable protection against overload short ciruit and power fluctuation for optimum reliability 5 VOX feature mutes AUX inputs when input is...

Page 15: ...ATURE AND FUNCTIONS 9 POWER Power indicator 10 LEVEL INDICATORS Level meters 6 output level indicators 11 PROT 12 TEMP Temperature Indicator When the machine is in protection status this indicator wil...

Page 16: ...uts 16 MIC input with phantom power MIC1 input compatible of XLR and 6 3 MIC 17 Fantasy power button switch 18 MIC 2 MIC 3 MIC input MIC2 3 input of 6 3 MIC 19 TEL INPUT 20 AUX 1 AUX 2 AUX input AUX 2...

Page 17: ...70V 100V COM 4 16 70V 100V COM 4 16 SA 60B 167 100V LINE 70V 100V COM 4 16 SA 60B 81 70V LINE 3 1 SPEAKER CONNECTIONS 4 2 XLR CONNECTIONS 4 16 3 CONNECTIONS 70V 17 SA 120B 41 SA 120B 83...

Page 18: ...he four output connectors only can choose two connectors work together If voltage is 70V 100V the speakers must be with transformer and make sure the total power wattage of speaker is 15 less than the...

Page 19: ...DIO 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 MIC2 MIC3 MUTE G TEL INPUT AUX2 AUX1 LINE OUT MIC 1 XLR 6 30 INPUT BAL...

Page 20: ...6 BLOCK DIAGRAM 70V COM 4 TO PA BASS TREBLE VOLUME PROTECT LEVEL INDICATOR POWER Z 220V 50Hz PT COM 100V COM EB EB LINE OUT MIC1 MIC1 MIC2 MIC3 AUX1 AUX2 TEL MUTE MUTE 20...

Page 21: ...control Bass 100KHz Treble 10KHz Phantom power AUX 1 input section AUX in 1Khz preamp out Input sensitivity impedance S N Frequency Response 3dB Tone control Bass 100KHz Treble 10KHz Pre Amp Out Total...

Page 22: ...ASS TREBLE MIC1 MIC2 MIC3 AUX1 AUX2 TEL MASTER POWER 2 PROT TEMP 4 6 8 10 12 OUTPUT LEVEL MIC2 MIC3 MUTE G TEL INPUT AUX2 AUX1 LINE OUT MIC 1 XLR 6 30 INPUT BAL UNBAL PHANTOM OUTPUTS COM 4 16 70V 100V...

Page 23: ...Version V0 1 PROFESSIONAL PUBLIC ADDRESS SYSTEM...

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