Boston Audio PA-9999II User manual
BOSTON AUDIO 2
CONTENTS
Contents
Safety
Features
Safety Precautions
Before Connections
Speaker Connections
Front Panel Controls
Rear Panel Controls
System Connections
Troubleshooting
Specications
2
3
4
4
5
5
6~7
8~9
10
11
12
BOSTON AUDIO 3
SAFETY
FOR YOUR SAFETY PLEASE READ!
THANK YOU!
•Please read all the safety and operation instructions in manual before operation.
•Keep this manual for future reference. Also, keep the carton and packing material in case the unit needs to be
returned for service.
•Avoid water, moisture, and heat.
•Power sources should be as described in the manual and or marked on the chassis.
•Exercise caution to avoid situations where power supply cords may be walked upon or pinched.
•Please exercise reasonable caution: do not drop objects onto your unit or spill liquid into it.
SERVICING
•User should not attempt to service beyond those means described in this manual.
•All other servicing should be referred to an authorized service agent.
•Typical situations requiring service
-Obvious mechanical damage from rough handing
-Liquid has spilled on or into the unit.
-Exposure to rain
-Unit does not appear to operate normally.
-Ground integrity has been compromised, service unit to prevent electric shock.
CAUTION: RISK OF ELECTRIC SHOCK, DO NOT OPEN
WARNING : TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS
APPLIANCE TO RAIN OR MOISTURE.
CAUTIONS : To prevent electrical shock, do not use this (polarized)plug with an extension cord, receptacle or other
outlet unless the blades can be fully inserted to prevent blade exposure.
ATTENTIONS : Pourpreevenirleschocselectriquesnepasutilisercettechepolariseeavecunprolongateur,uneprise
de courant ou une autre sortie de courant, sauf si les lames peuvent etre inserees a fond sans en laisser aucune partiie a
decouvert.
BOSTON AUDIO 4
FEATURE
SAFETY PRECAUTIONS
•Strong Output Power (300W RMS,150WX2CH), Excellent Sound Quality.
It reproduces dynamic sound, fully amplifying the reproduction of sound quality of a microphone, a music
play system, LDP, CDP and a cassette tape, etc. with high output power of 300Watts(150WX2CH).
•Echo and Mic Mixing.
It help produce live atmosphere same as live stage performance by the built-in digital echo, digital reverb and
mic-mixing functions.
•Excellent Funtion of Controlling Sound Quality.
.Sound quality controlling function for each microhpone.
-Sound quality controlling for independent music channel.
-Signal level indicator function.
•EQ PRESET
-Boost up high frequency and low frequecy band for the Dynamic sound
•Don't install this product at the place of excessive heat & moisture, and install at the place of good ventilation.
•Don't install this product at the place of a direct ray of light and heating equipment.
•Don't install this product at hte place of moisture or dust.
BOSTON AUDIO 5
BEFORE CONNECTION
SPEAKER CONNECTION
•In case that you use this appliance in connection with external equipment, please turn on the power
aftermaking sure that all the selected function jacks are properly connected to the right places.
•Be sure to connect the cords without mistaking the correspondences of the left and right channels.
•Insert the plugs of the connection cords securely into the jacks. If the connection is incomplete, sound may
notbe produced, or noise may be generated.
•Strip vinyl coating of the cord and make its end even.
•Using minimum 8ohm speaker.
•Push the lever and insert conductos into the hole.
•Return the lever to the original position to secure the conductor.
BOSTON AUDIO 6
FRONT PANEL CONTROL
BOSTON AUDIO 7
FRONT PANEL CONTROL
1. MIC1~2, MIC3~4 JACK
Plug in mic or various signals of input terminal here and
use them.
2. GAIN SWITCH
Press when other large input than the Mic.
3. PEAK LED
It is on when input signal is excess.
4. VOLUME
It functions to adjust the volume of sound properly.
5. PAN
It has a funciton to adjust the balance of the sound
volume between the right and the left channels.
6. ECHO VOLUME
Use it to adjust the echo sound at the middle properly.
7. LOW SOUND
It controls the low sound of Mic.
8. MIDDLE SOUND
It controls the middle sound of Mic.
9. HIGH SOUND
It controls the high sound of Mic.
10. SELECTOR SWITCH
It controls the echo STEREO/MONO sound.
11. ECHO VOLUME
It adjusts the volume of echo.
12. LOW SOUND
It adjust the low sound of echo.
13. HIGH SOUND
It adjust the high sound of echo.
14. REPETITION
It adjust the repetition sound of echo.
15. DELAY
Adjust the speed of sound of echo.
16. SELECTOR (CONVERSION)
The selection switch of CD input and the external
equipment at the rear panel. (Press for CD or let remain
for the external equipment.)
17. VOLUME
It functions to adjust the volume of sound properly.
18. BALANCE
It has a funciton to adjust the balance of the sound
volume between the right and the left channels.
19. LOW SOUND
It functions to adjust the low sound of music play system.
20. MIDDLE SOUND
It functions to adjust the middle sound of music play
system.
21. HIGH SOUND
It functions to adjust the high sound of music play
system.
22. MASTER VOLUME
It controls volume of overall gain.
23. EQ PRESET
Bootst up high frequency and low frequency band for the
dynamic sound.
24. CH. LEVEL INDICATOR
LED for channel level.
25. POWER ON
Green color LED indicator power switch on and off state.
26. POWER SWITCH
Press the upper part of the power switch to turn the
power on. (the green light of the indicator is on.) Press
the lower part of the power swtich to turn the power off.
(The green light of the indicator is off)
Mic, Channel Control (Line Inpu1, Line Input2)
Master Volume Control
LED Indicator
Power Switch
Music Channel Control
Echo Control
BOSTON AUDIO 8
REAR PANEL CONTROL
BOSTON AUDIO 9
REAR PANEL CONTROL
1. POWER CORD (~AC)
Please check the voltage (AC220V/50Hz) before
plugging in the power cord.
2. GROUND TERMINAL
The appliance has to be grounded in order to prevent the
accident of electric shock.
3. SPEAKER OUTPUT TERMINAL
The speaker system placed to the left from the
center(hearing position) is connected to the left side
terminal and the one to the right from the center to the
right side terminal When connection speaker terminal
and speaker, connect (+) to (+), and (-) to (-). If this
electricpoledoesnotttoeachother,sounddistortion
of mechanical damage may occur.
4. MIC, OUTPUT
Only microphone signal can be reproduced and put out
through this jack, which is connected with score box.
5. RECORD OUTPUT
Connecting with deck, you can record the mixed output
of this appliance.
6. LINE OUTPUT (AUXILIRY)
It functions to transmit total output power of this
appliance to other amplifiers through their input jack,
and to record the mixed output power of this appliance
by connecting a deck.
7. EFFECTOR INPUT/OUTPT
Connect the jacks of the external stereo graphic
equalizer to theese jacks, This jack has a short Bar(U
Type). When you use an external effect equipment,
Unplug the short bar and Connect the external
equipment. When you do not use an external equipment,
plug in the short bar to use It.
*If the short bar(U Type)is not connected, no sound
comes out.
8. MUSIC INPUT A/B (EXTERNAL EQUIPMENT)
It functions to connect various sound sources like LDP,
CDP, Tuner, deck, VTR, and so on.
BOSTON AUDIO 10
SYSTEM CONNECTION
BOSTON AUDIO 11
TROUBLESHOOTING
Should faults occur, it is in many cases due to a simple operation mistake or like. On the basis of the
followingchecksyouwillbeabletorectifyanumberoffaultsyourselfwithoutdifculty.Ifthefaultcannot
be remedied after thefollowing check, please consult your dealer.
The user should not attempt to service the appliance beyond that described in the operating instructions. All other servicing
shouldbereferredtoqualiedservicepersonnel.Incasemalfunctionoccurs,pleaseforwardtheproducttoServiceCenter
or to your dealer for check.
The warranty period for this product is one year. In the event that failure is a result of faulty or defective materials or workmanship, or for any
other problems or questions that occur as a result of normal use during this period, we offer you our "After Service' assistance at no additional
charge. However, if an malfunction is caused by user's misuse or abuse, the warranty shall be void and all evaluation and repairs will be
chargeable.
SPECIFICATIONS
• Voltage
• Power Consumpiton
• Weight
• Dimensions
• Output
• THD
• Frequency
• S/N Ration
• Mic Input
• Music A, B
• Record Output
• Supplementary Output
• Sound Quality Control
MIC. Channel Sound Quality Control
Music Channel Sound Quality Control
AC 220V/50~60Hz
500W
11.6Kg
420(W)×135(H)×362(D)mm
300W RMS (150Watts×2Ch)
< 0.1% (1KHz)
20Hz~20KHz
95dB
13mV
240mV
1V
1V
LOW-100Hz±8dB
MID-1KHz±8dB
HI-10KHz±10dB
LOW-100Hz±12dB
MID-1KHz±10dB
HI-10KHz±12dB
[ 6 INPUT SIGNAL LINES ]
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