VocoPro Stereo Equalizer DA 1055 PRO User Manual

THE SINGER'S ULTIMATE CHOICE  
DA-1055 PRO  
Professional Digital Echo Mixer with Dual Equalizers  
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Safety Instructions  
8. Ventilation - The appliance should be situated so its  
location does not interfere with its proper ventilation. For  
example, the appliance should not be situated on a bed,  
sofa, rug, or similar surface that may block the  
ventilation slots.  
CAUTION  
RISK OF SHOCK  
9. Heat - The appliance should be situated away from  
heat sources such as radiators, heat registers,  
stoves, or other appliances (including amplifiers)  
that produce heat.  
CAUTION: To reduce the risk of electric shock,  
do not remove cover (or back). No user-  
serviceable parts inside. Only refer servicing to  
qualified service personnel.  
10. Power Sources - The appliance should be  
connected to a power supply only of the type described  
in the operating instructions or as marked on the  
appliance.  
Explanation of Graphical Symbols  
The lightning flash & arrowhead  
symbol, within an equilateral triangle,  
is intended to alert you to the  
presence of danger.  
11. Grounding or Polarization – Precautions should be  
taken so that the grounding or polarization means of  
an appliance is not defeated.  
12. Power-Cord Protection – Power-supply cords  
should be routed so that they are not likely to be walked  
on or pinched by items placed upon or against them,  
paying particular attention to cords at plugs,  
convenience receptacles, and the point where they exit  
from the appliance.  
The exclamation point within an  
equilateral triangle is intended to alert  
you to the presence of important  
operating and servicing instructions.  
WARNING  
To reduce the risk of fire or electric shock, do  
not expose this unit to rain or moisture.  
13. Cleaning – Unplug this unit from the wall outlet  
before cleaning. Do not use liquid cleaners or  
aerosol cleaners. Use a damp cloth for cleaning.  
14. Power lines – An outdoor antenna should be  
located away from power lines.  
1. Read Instructions - All the safety and operating  
instructions should be read before the appliance is  
operated.  
15. Nonuse Periods – The power cord of the appliance  
should be unplugged from the outlet when left unused  
for a long period of time.  
2. Retain Instructions - The safety and operating  
16. Object and Liquid Entry – Care should be taken so  
that objects do not fall and liquids are not spilled into the  
enclosure through openings.  
instructions should be retained for future reference.  
3. Heed Warnings - All warnings on the appliance and in  
the operating instructions should be adhered to.  
17. Damage Requiring Service – The appliance should  
be serviced by qualified service personnel when:  
4. Follow Instructions - All operating and use  
instructions should be followed.  
A. The power supply cord or plug has been damaged; or  
B. Objects have fallen into the appliance; or  
C. The appliance has been exposed to rain; or  
D. The appliance does not appear to operate normally  
or exhibits a marked change in performance; or  
E. The appliance has been dropped, or the enclosure  
damaged.  
5. Attachments - Do not use attachments not  
recommended by the product manufacturer as they may  
cause hazards.  
6. Water and Moisture - Do not use this unit near water.  
For example, near a bathtub or in a wet basement and  
the like.  
18. Servicing – The user should not attempt to service  
the appliance beyond that described in the operating  
instructions. All other servicing should be referred to  
qualified service personnel.  
7. Carts and Stands - The appliance should be used  
only with a cart or stand that is recommended by the  
manufacturer.  
Note:  
7 A. An appliance and cart combination  
should be moved with care. Quick stops,  
excessive force, and uneven surfaces may  
cause an overturn.  
To CATV system installer’s (U.S.A.): This reminder is  
provided to call the CATV system installer’s attention to  
Article 820-40 of the NEC that provides guidelines for  
proper grounding and, in particular, specifies that the  
cable ground shall be connected as close to the point of  
cable entry as practical.  
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FCC INFORMATION (U.S.A.)  
CAUTION:  
1. IMPORTANT NOTICE: DO NOT MODIFY THIS  
READ THIS BEFORE OPERATING YOUR UNIT  
UNIT!: This product, when installed as indicated in the  
instructions contained in this manual, meets FCC  
requirements. Modifications not expressly approved by  
Vocopro may void your authority, granted by the FCC,  
to use this product.  
1. To ensure the finest performance, please read this  
manual carefully. Keep it in a safe place for future reference.  
2. Install your unit in a cool, dry, clean place - away from  
windows, heat sources, and too much vibration, dust,  
moisture or cold. Avoid sources of hum (transformers, v  
motors). To prevent fire or electrical shock, do not expose to  
rain and water.  
2. IMPORTANT: When connecting this product to  
accessories and/or another product use only high  
quality shielded cables. Cable(s) supplied with this  
product MUST be used. Follow all installation  
instructions. Failure to follow instructions could void your  
FCC authorization to use this product in the U.S.A.  
3. Do not operate the unit upside-down.  
3. NOTE: This product has been tested and found to  
comply with the requirements listed in FCC Regulations,  
Part 15 for Class "B" digital devices. Compliance with  
these requirements provides a reasonable level of  
assurances that your use of this product in a residential  
environment will not result in harmful interference with  
other electronic devices. This equipment  
generates/uses radio frequencies and, if not installed  
and used according to the instructions found in the  
owner's manual, may cause interference harmful to the  
operation of other electronic devices. Compliance with  
FCC regulations does not guarantee that interference  
will not occur in all installations. If this product is found  
to be the source of interference, which can be  
determined by turning the unit "Off" and "On", please try  
to eliminate the problem by using one of the following  
measures:  
4. Never open the cabinet. If a foreign object drops into the  
set, contact your dealer.  
5. Place the unit in a location with adequate air circulation.  
Do not interfere with its proper ventilation; this will cause the  
internal temperature to rise and may result in a failure.  
6. Do not use force on switches, knobs or cords. When  
moving the unit, first turn the unit off. Then gently disconnect  
the power plug and the cords connecting to other  
equipment. Never pull the cord itself.  
7. Do not attempt to clean the unit with chemical solvents:  
this might damage the finish. Use a clean, dry cloth.  
8. Be sure to read the "Troubleshooting" section on common  
operating errors before concluding that your unit is faulty.  
Relocate either this product or the device that is being  
affected by the interference.  
9. This unit consumes a fair amount of power even when the  
power switch is turned off. We recommend that you unplug  
the power cord from the wall outlet if the unit is not going to  
be used for a long time. This will save electricity and help  
prevent fire hazards. To disconnect the cord, pull it out by  
grasping the plug. Never pull the cord itself.  
Use power outlets that are on different branch (circuit  
breaker or fuse) circuits or install AC line filter(s).  
In the case of radio or TV interference, relocate/reorient  
the antenna. If the antenna lead-in is 300-ohm ribbon  
lead, change the lead-in to coaxial type cable.  
10. To prevent lightning damage, pull out the power cord  
and remove the antenna cable during an electrical storm.  
If these corrective measures do not produce satisfactory  
results, please contact your local retailer authorized to  
distribute Vocopro products. If you can not locate the  
appropriate retailer, please contact Vocopro, 1728  
Curtiss Court, La Verne, CA 91750.  
11. The general digital signals may interfere with other  
equipment such as tuners or receivers. Move the system  
farther away from such equipment if interference is  
observed.  
NOTE:  
Please check the copyright laws in your country  
before recording from records, compact discs,  
radio, etc. Recording of copyrighted material may  
infringe copyright laws.  
CAUTION  
The apparatus is not disconnected from the AC power  
source so long as it is connected to the wall outlet,  
even if the apparatus itself is turned off. To fully insure  
that the apparatus is indeed fully void if residual power,  
leave unit disconnected from the AC outlet for at least  
fifteen seconds.  
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Welcome.  
And Thank you for purchasing the DA-1055 PRO from VocoPro, your ultimate choice in  
Karaoke entertainment! With years of experience in the music entertainment business,  
VocoPro is a leading manufacturer of Karaoke equipment, and has been providing  
patrons of bars, churches, schools, clubs and individual consumers the opportunity to  
sound like a star with full-scale club models, in-home systems and mobile units. All our  
products offer solid performance and sound reliability, and to further strengthen our  
commitment to customer satisfaction, we have customer service and technical support  
professionals ready to assist you with your needs. We have provided some contact  
information for you below.  
VocoPro  
1728 Curtiss Court  
La Verne, CA 91750  
Toll Free: 800-678-5348  
TEL: 909-593-8893  
FAX: 909-593-8890  
VocoPro Company Email Directory  
Customer Service & General Information  
Tech Support  
Remember Our Website  
products, packages and promos. And while you’re there don’t forget to check out our  
Club VocoPro for Karaoke news and events, chat rooms, club directories and even a  
Service directory!  
We look forward to hearing you sound like a PRO, with VocoPro, your ultimate choice in  
Karaoke entertainment.  
FOR YOUR RECORDS  
Please record the model number and serial number below, for easy reference, in case of loss or theft. These  
numbers are located on the rear panel of the unit. Space is also provided for other relevant information  
Model Number  
Serial Number  
Date of Purchase  
Place of Purchase  
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Listening For A Lifetime  
Selecting fine audio equipment such as the unit you’ve just purchased is only the start of  
your musical enjoyment. Now it’s time to consider how you can maximize the fun and  
excitement your equipment offers. VocoPro and the Electronic Industries Association’s  
Consumer Electronics Group want you to get the most out of your equipment by playing it  
at a safe level. One that lets the sound come through loud and clear without annoying  
blaring or distortion and, most importantly, without affecting your sensitive hearing.  
Sound can be deceiving. Over time your hearing “comfort level” adapts to a higher volume  
of sound. So what sounds “normal” can actually be loud and harmful to your hearing. Guard  
against this by setting your equipment at a safe level BEFORE your hearing adapts.  
To establish a safe level:  
• Start your volume control at a low setting.  
• Slowly increase the sound until you can hear it comfortably and clearly, and without  
distortion.  
Once you have established a comfortable sound level:  
• Set the dial and leave it there.  
• Pay attention to the different levels in various recordings.  
Taking a minute to do this now will help to prevent hearing damage or loss in the future.  
After all, we want you listening for a lifetime.  
Used wisely, your new sound equipment will provide a lifetime of fun and enjoyment. Since  
hearing damage from loud noise is often undetectable until it is too late, this manufacturer  
and the Electronic Industries Association’s Consumer Electronics Group recommend you  
avoid prolonged exposure to excessive noise. This list of sound levels is included for your  
protection.  
Some common decibel ranges:  
Level  
Example  
30  
40  
50  
60  
70  
80  
Quiet library, Soft whispers  
Living room, Refrigerator, Bedroom away from traffic  
Light traffic, Normal Conversation  
Air Conditioner at 20 ft., Sewing machine  
Vacuum cleaner, Hair dryer, Noisy Restaurant  
Average city traffic, Garbage disposals, Alarm clock at 2 ft.  
The following noises can be dangerous under constant exposure:  
Level  
Example  
90  
100  
120  
140  
180  
Subway, Motorcycle, Truck traffic, Lawn Mower  
Garbage truck, Chainsaw, Pneumatics drill  
Rock band concert in front of speakers  
Gunshot blast, Jet plane  
Rocket launching pad  
-Information courtesy of the Deafness Research Foundation  
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Specifications and Features  
Graphic Equalizer Section:  
Connector ............................................................................................................ RCA/Unbalanced  
Input Impedance ................................................................................................... 47k�Ω  
Bands .................................................................................................................. 64Hz, 160Hz, 400Hz, 1KHz, 2.5KHz,  
................................................................................................................. 6.3KHz, 16KHz  
Range .................................................................................................................. +/-15 dB  
T.H.D ................................................................................................................... Less than 0.01%  
Frequency Response ............................................................................................. 10Hz ~ 5 0KHz +/-1 dB  
Noise Ratio .......................................................................................................... More than 100 dB  
Microphone Section:  
Connector ............................................................................................................ 1/4” TRS/Unbalanced  
Input Impedance ................................................................................................... 1K�Ω  
T.H.D ................................................................................................................... Less than 0.1%  
Frequency Response ............................................................................................. 20Hz ~ 20KHz +/-3 dB  
Noise Ratio .......................................................................................................... More than 85 dB (Echo OFF)  
........................................................................................................ More than 80 dB (Echo ON)  
Tone Control:  
High ..................................................................................................................... +/-15 dB (10KHz)  
Mid ...................................................................................................................... +/-15 dB  
Mid Sweep............................................................................................................ 250Hz ~ 6KHz  
Bass .................................................................................................................... +/-15 dB (80Hz)  
Echo Delay Time ................................................................................................... Max. 300 mS  
Dimensions .......................................................................................................... 482(W) * 150(D) * 55(H) (mm)  
1
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Getting Connected  
Connecting Source Players to the DA-1055 PRO  
You can connect up to two A/V source players (CD+G player, DVD player, CD player, Mp3 player, etc.) to the DA-1055 PRO  
simultaneously using RCA audio (red & white) and video (yellow) cables.  
Connecting Audio  
What you will need:  
• Source player with RCA audio output jacks  
• Pair of RCA audio cables. In most cases these are color coded red and white  
1. Connect an end of each RCA cable to the Left and Right RCA audio output jacks on your source player.  
2. Connect the other ends of each RCA cable to the AUDIO IN jacks, labeled CDG, on the rear panel of  
the DA-1055 PRO.  
3. Repeat steps 1 and 2 when connecting a second source player except this time connect to the AUDIO IN jacks  
labeled DVD.  
5
CDG-600RF DIGITAL KEY CONTROL CD/CD+G CASSETTE KARAOKE PLAYER  
Remote  
Digital key Display  
Tape counter  
Reset  
D V X - 8 8 0 P R O  
M U LT I F O R M AT K A R A O K E P L AY E R  
+
2
7
0 : 0 0  
PLAYER  
RECORDER  
1
Sensor  
OPEN/CLOSE  
REPEAT  
JPEG  
0
Music 10  
level  
CDG  
Open/Close  
Disp  
Repeat  
Memory  
Previous  
Next  
B-scan  
F-scan  
Stop  
P
H
O
T
O
C
D
-10 +10  
Bass  
-10 +10  
Treble  
Music  
DIGITAL KEY  
CONTROL  
SHOCK RESISTANT PICK UP  
#
POWER  
b
REC  
PLAY  
PLAY  
REW  
FFWD  
ST/EJ  
Pause  
0
10  
0
10  
level  
DIGITAL  
ECHO  
Mic  
1
level  
Mic  
2
L
L
Mic  
Input  
1
Remote Mic  
2
Input  
DIGITAL KEY CONTROL  
VOC/C  
VOC/P CASSETTE  
CDG  
LD  
DVD  
AUX  
Key  
Control  
PLAY/PAUSE  
STOP  
PREV  
NEXT  
Connecting Video  
What you will need:  
• Source player with an RCA video output jack  
• One RCA video cable. In most cases these are color coded yellow.  
1. Connect one end of the RCA cable to the video output jack on your source player.  
2. Connect the other end of the RCA cable to the VIDEO IN jack.  
NOTE: For each source player, make sure to connect the video output to the same channel as the audio output.  
i.e. If you have a CD+G player’s audio connected to the CDG AUDIO IN jacks, make sure you connect that players  
video connected to the CDG VIDEO IN jack on the DA-1055 PRO.  
5
CDG-600RF DIGITAL KEY CONTROL CD/CD+G CASSETTE KARAOKE PLAYER  
Remote  
Digital key Display  
Tape counter  
Reset  
D V X - 8 8 0 P R O  
M U LT I F O R M AT K A R A O K E P L AY E R  
+
2
7
0 : 0 0  
PLAYER  
RECORDER  
1
Sensor  
OPEN/CLOSE  
REPEAT  
JPEG  
0
Music 10  
level  
CDG  
Open/Close  
Disp  
Repeat  
Memory  
Previous  
Next  
B-scan  
F-scan  
Stop  
P
H
O
T
O
C
D
-10 +10  
Bass  
-10 +10  
Treble  
Music  
DIGITAL KEY  
CONTROL  
SHOCK RESISTANT PICK UP  
#
POWER  
b
REC  
PLAY  
PLAY  
REW  
FFWD  
ST/EJ  
Pause  
0
10  
0
10  
level  
DIGITAL  
ECHO  
Mic  
1
level  
Mic  
2
L
L
Mic  
Input  
1
Remote Mic  
2
Input  
DIGITAL KEY CONTROL  
VOC/C  
VOC/P CASSETTE  
CDG  
LD  
DVD  
AUX  
Key  
Control  
PLAY/PAUSE  
STOP  
PREV  
NEXT  
2
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Getting Connected Cont.  
Connecting to a Sound System (Mixer, amplifier, recording device, etc.)  
Connecting Audio  
The DA-1055 PRO has three audio output channels for connecting to mixers, amplifiers, recording devices, etc.  
• MIX 1 and MIX 2 simultaneously output source player music and microphone vocals.  
• LINE outputs the EQ channels with the source player music only for more convenient mixing of the EQ channels.  
NOTE: Microphone vocals are not present in the LINE channel.  
What you will need:  
• Pair of RCA audio cables. In most cases these are color coded red and white  
• Mixer, amplifier, recording device, etc.  
Connecting MIX 1 and MIX 2  
Using the MIX 1 and 2 AUDIO OUT channels you can connect music and vocals to two different audio devices.  
1. Connect an end of each RCA cable to the MIX 1 L/R RCA output jacks on the rear panel of the DA-1055 PRO.  
2. Connect the other end of each RCA cable to the L and R RCA input jacks on a mixer, amplifier, recording device, etc.  
3. To connect to an additional device, follow steps 1 and 2 except now connect to the MIX 2 L/R RCA output jacks on the  
rear panel of the DA-1055 PRO.  
Graphic Equalizer  
PV-420 powered speaker  
Connecting Music-Only Using LINE OUT  
1. Connect an end of each RCA cable to the LINE L/R RCA output jacks on the rear panel of the DA-1055 PRO.  
2. Connect the other end of each RCA cable to the L and R RCA input jacks on a mixer, amplifier, recording device, etc.  
PKJ-9090PRO  
PROFESSIONAL DJ/KJ/VJ POWERED MIXER  
LIGHT  
(DC 12V)  
CROSSFADER  
VIDEO TOGGLE  
DSP KEY CONTROL AND  
CROSSFADER VIDEO TOGGLE  
1 2 3 4  
VIDEO  
1
VIDEO  
2
VIDEO  
3
LEFT  
AV  
PH 1/LINE  
CD  
1
AV  
PH 2/LINE  
CD  
2
AV  
PH 3/LINE  
CD  
3
-26 -20 -17 -14 -10 -6  
0
+3 +6 +9 +10 +15  
1
2
3
RIGHT  
OUTPUT LEVEL DISPLAY  
STEREO  
1
STEREO  
2
STEREO  
3
(BALANCED)  
(BALANCED)  
(BALANCED)  
(BALANCED)  
POWER  
SIGNAL  
-20  
+6  
SIGNAL  
-20  
+6  
SIGNAL  
-20  
+6  
GAIN  
GAIN  
GAIN  
GAIN  
GAIN  
GAIN  
GAIN  
AV OUT LEVEL  
POWER AMP LEVEL  
+12  
VOCAL EFFECTS  
HEADPHONES  
MANUAL  
+12  
+12  
+12  
+12  
PARTNER ELIMI. MULTI.  
TREBLE  
TREBLE  
TREBLE  
TREBLE  
-12  
-12  
-12  
-12  
-12  
CROSSFADER  
VOCAL  
CUE  
DOWN  
NORMAL  
CUE  
UP  
60  
ON  
250  
1K  
4K  
12K  
CUE  
CUE  
BASS  
BASS  
BASS  
BASS  
MASTER EQUALIZER  
PHONES LEVEL  
ON  
ON  
ON  
MAST  
ECHO  
KEY  
KEY  
KEY  
VIDEO SEL.  
ECHO  
ECHO  
ECHO  
ECHO  
ON  
ON  
ON  
ON  
CUE  
CUE  
CUE  
CUE  
AUTO  
OFF  
ON  
LEVEL  
ON  
ON  
ON  
ON  
KEY  
KEY  
KEY  
KEY  
ON  
ON  
ON  
ON  
1
2
3
REPEAT  
1
2
2
3
DELAY  
ASSIGN  
ASSIGN  
CROSSFADER  
/
VIDEO TOGGLE  
MIC  
1
MIC  
2
MIC  
3
MIC  
4
TALK OVER  
MASTER/LEFT  
MASTER/RIGHT  
BOOTH  
DIGITAL ECHO  
3
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Getting Connected Cont.  
Connecting to a TV or Monitor  
You can connect to up to two TV/video monitors. Use the SOURCE button to switch between source player input.  
What you will need:  
• TV monitor with an RCA VIDEO input.  
RCA video cable. In most cases this is color-coded yellow.  
NOTE: If your TV does not have an RCA Video input jack, You can connect video using an RF Modulator. (Purchase Seperately)  
To connect video:  
1. Connect one end of the RCA video cable to the VIDEO OUT 1 on the rear panel of the DA-1055 PRO.  
2. Connect the other end to an RCA video input on a TV or video monitor.  
3. To connect to an additional TV or video monitor, follow steps the above steps 1 and 2 except now connect  
a second RCA video cable to the VIDEO OUT 2 on the rear panel of the DA-1055 PRO.  
NOTE: Both video outputs will output the same video signal.  
TUNNER  
AM FM ----- FM/ST  
FM 88 90 92 94 96 98 100 102 104 106 108  
AM 540 600 700 800 900 1000 1200 1400 1500 1600 1700  
INPUT  
SELECTOR  
MASTER  
VOLUME  
POWER  
PLAY  
PROGRAM CD+G  
CD+G  
TAPE  
TV  
TV  
AUX  
AUX  
REPEAT  
TUNER  
TAPE  
TUNER  
VOCAL  
MUSIC TREBLE  
MUSIC BASS  
BALANCE  
PITCH  
PARTNER  
MIC1 VOL  
MIC2 VOL  
MIC TREBLE  
MIC BASS  
ECHO  
0
10  
0
10  
-10  
+10 -10  
+10  
0
10  
-10  
+10  
-10  
+10  
MUSIC  
VOCALS  
-10  
+10  
MIN  
MAX  
C
O
MPA  
C
T
REMOTE  
SENSOR  
DI  
GI  
TA  
L
AUDI  
O
PR  
O
DI  
GI  
TA  
L
ECH  
O
MENU LEFT RIGHT DOWN  
UP  
CH  
+
MENU  
VOL  
+
CH  
-
VOL  
-
TV/AV  
POWER  
DECK  
1
DECK  
2
REC  
PLAY  
REW  
FFWD  
ST/EJ PAUSE  
PAUSE  
ST/EJ  
FFWD  
REW  
PLAY  
AUX  
MIC  
1
MIC 2  
Y
W
R
PHONES  
4
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Getting Connected Cont.  
Microphone Connections  
The DA-1055 PRO has 6 mic input jacks, allowing you to connect up to 6 microphones using ¼” microphone cables.  
• Mic Volume 1 controls MIC 1 Input (front panel) and MIC 1/B Input (rear panel)  
• Mic Volume 2 controls MIC 2 Input (front panel) and MIC 2/B Input (rear panel)  
• Mic Volume 3 controls MIC 3 Input (front panel) and MIC 3/B Input (rear panel)  
Microphone Input  
You can connect wired microphones as well as wireless microphone systems to the DA-1055 PRO. It is preferable to connect  
wireless microphone systems to the rear mic inputs and wired microphones to the front mic inputs.  
See the below diagram for possible microphone connection options:  
FIG.A front  
back  
FIG.B  
front  
back  
FIG.B  
front  
back  
FIG.B  
front  
back  
Microphone Output  
Using the MIC OUT L & R jacks, you can output the microphone signals exclusively to  
TUNNER  
AM FM ----- FM/ST  
FM 88 90 92 94 96 98 100 102 104 106 108  
AM 540 600 700 800 900 1000 1200 1400 1500 1600 1700  
INPUT  
SELECTOR  
an external input device such as a mixer or recording device.  
MASTER  
VOLUME  
POWER  
PROGRAM CD+G  
TV  
CD+G  
TAPE  
PLAY  
TV  
AUX  
AUX  
REPEAT  
TUNER  
TAPE  
TUNER  
VOCAL  
MUSIC TREBLE  
MUSIC BASS  
BALANCE  
PITCH  
PARTNER  
MIC1 VOL  
MIC2 VOL  
MIC TREBLE  
MIC BASS  
ECHO  
0
10  
0
10  
-10  
+
1
0
-
1
0
+10  
0
10  
-10  
+10  
-10  
+10  
MUSIC  
VOCALS  
-10  
+10  
MIN  
MAX  
What you will need:  
Two ¼” audio cables  
• One external device  
1. Connect an end of each ¼” cable to the  
L and R ¼” outputs on the rear panel  
of the DA-1055 PRO.  
C
O
MP  
A
C
T
REMOTE  
SENSOR  
DI  
GI  
TA  
L
AUDI  
O
PR  
O
DI  
GI  
T
A
L
ECH  
O
MENU LEFT RIGHT DOWN  
UP  
DECK  
1
DECK  
2
2. Connect the other ends of the cables to  
the appropriate jacks on your external  
device.  
REC  
PLAY  
REW  
FFWD  
ST/EJ PAUSE  
PAUSE  
ST/EJ  
FFWD  
REW  
PLAY  
AUX  
MIC  
1
MIC 2  
Y
W
R
PHONES  
5
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Operations  
Basic Operations  
ATTENTION: Before turning on the DA-1055 PRO’s power, make sure it is connected to a power outlet, power  
strip or surge protector. It is recommended that you use a surge protector for increased protection.  
1
2
2
3 4  
1.Turning on the Power  
Switch the POWER button on the front panel of the DA-1055 PRO to the ON position to turn it on and  
switch it to the OFF position to turn it off.  
2.Turning on the EQ channels.  
Each EQ channel, Left and Right, can be turned on and off individually using the white EQ on buttons.  
For each EQ Channel:  
1. Press the EQ ON button in to turn on. The green LED indicator will light up when it is on.  
2. Press the EQ ON button again to turn off. The green LED indicator will turn off.  
3.Using the Vocal Cancel Feature  
Vocal Cancel eliminates the vocal track on Multiplex formatted CD+G discs allowing the singer to sing along  
to music only. The VOCAL CANCEL button is located on the front panel of the DA-1055 PRO.  
NOTE: Make sure that your CD+G disc is Multiplex formatted or else you will not be able to cancel the  
vocal track.  
1. Press the VOCAL CANCEL button IN to turn on the Vocal Cancel feature.  
2. Press the VOCAL CANCEL button OUT to turn off the Vocal Cancel feature and return to normal mode.  
4.Switching Between Input Channels  
If you have two source players connected, you can only play one at a time. When playing one, you must set the  
DA-1055 PRO to the correct input channel using the SOURCE button on the front panel.  
1. Press the SOURCE button IN to turn on the CDG channel.  
2. Press the SOURCE button OUT to turn on the DVD channel.  
6
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Operations Cont.  
Microphone Operations  
Adjusting the Independent Volume controls  
When there are multiple vocalists present it is common that some will sing louder than others. The volume levels for  
each pair of mic channels can be adjusted independently to create a balanced vocal mix.  
• Mic Volume 1 controls MIC 1 Input (front panel) and MIC 1/B Input (rear panel)  
• Mic Volume 2 controls MIC 2 Input (front panel) and MIC 2/B Input (rear panel)  
• Mic Volume 3 controls MIC 3 Input (front panel) and MIC 3/B Input (rear panel)  
To adjust the independent microphone volumes:  
Turn the volume control clockwise to increase the volume and counter-clockwise to decrease the volume.  
Adjusting the Master Microphone Level  
Once you have balanced the individual mic channels you can use the Mic Master Level control to adjust the overall mic  
level.  
To adjust the Master Microphone Level:  
Turn the volume control clockwise to increase the volume and counter-clockwise to decrease the volume.  
Adjusting the Microphone Pan  
The Pan control on the front panel allows you to balance the microphone vocal output between the left and right chan-  
nels. Adjust the pan until you find the best sounding mix for each situation. In most cases it will be sufficient to set  
the Pan control in the center position.  
Turn the control all the way left to output vocals to the left channel only  
• Set the control to the center position to output vocals evenly between both left and right channels  
Turn the control all the way right to output vocals to the right channel only  
Adjusting the Microphone Tone  
The DA-1055 PRO allows you to adjust the overall Low, Mid and High EQ of the microphone vocals for a more  
professional and clear vocal tone.  
• LOW EQ: Use this control to increase of decrease the amount of “low end” or Bass present in the vocals.  
Too much bass may sound “muddy” or dull. Turn clockwise to increase the low end and counter clockwise to  
decrease the low end.  
• HIGH EQ: Use this control to increase or decrease the amount of “high end” or Treble present in the vocals.  
Too much treble may sound “tinny” and could be the cause of feedback. Turn clockwise to increase the high end  
and counter clockwise to decrease the high end.  
• MID SWEEP: Use this control to determine which Mid Frequency will be present in the mix. Since the  
frequency ranges from the MID SWEEP are from 250 Hz to 6K Hz, this is particularly versatile for vocals,  
and enabling particular characteristics of the singer to be lifted or suppressed.  
• MID EQ: Use this control to increase or decrease the Mid Frequency that is selected by the MID SWEEP  
control.  
7
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Operations Cont.  
Using the Digital Echo (microphone only)  
Turning on Echo:  
1. Press the ECHO button on the front panel IN to turn Echo on.  
2. Press the ECHO button OUT to turn Echo off.  
Adjusting the Echo settings:  
The DA-1055 PRO allows you to adjust the Repeat and Delay of the Echo effect.  
Repeat: The interval time between each repeat. Turning this up (clockwise) increases the time between each repeat and  
turning this down (counter-clockwise) decreases the time between each repeat.  
Delay: The length of the overall echo. Turning this up (clockwise) causes the echo to last longer and turning this down  
(counter-clockwise) shortens the overall time of the echo.  
7-Band Equalizer Operations  
Adjusting the 7-Band EQ  
The Dual 7-Band Equalizers allow you to adjust the music tone independently for the left and right channels. Every room is  
different and requires unique EQ settings to produce an optimum sound. Adjust the EQ until you find the desired tone for  
the source music.  
The following is a general idea of how to use each of the bands however there is no “correct” setting as each performance  
situation is unique.  
64 Hz - Fattens up the sub/bass tones or bass “rumble”. Generally this is only necessary when using a subwoofer  
and the low end is more prominent in the mix.  
160 Hz - Controls the mid-range of the bass/low end.  
400 Hz - Controls the mid to low frequencies.  
1 K - Controls the vocal presence, guitars and anything else in the middle frequency range.  
2.5 K - Controls the more percussive, higher pitched sounds such as snare drums as well as the higher aspects of  
the vocal signal.  
6.4 K - Controls the harmonic values of an instrument and is also useful for defining reverb when present.  
16 K - Controls the highest frequency that is audible to the ears and affects the “shininess” in the mix.  
NOTE: The 7-Band Equalizers do not affect microphone output.  
NOTE: Use the LINE OUT RCA jacks to output the equalizer channels independently from the microphone channels.  
8
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Descriptions and Functions  
Front Panel  
1
2
3
4
5
6
7
8
9
10  
17  
11 12 13 14 15 16 17  
1. Power switch - Turns the power On and Off.  
2. Music Level control - Adjust the volume of source music. Move sliders up and down to increase or decrease  
the volume output for that channel.  
3. Graphic EQ On/Off switch - Turns the 7-Band Graphic Equalizer on and off.  
4. 7-Band Graphic Equalizer - This will increase or cut the 7 different frequencies from 64 Hz (Lower Frequencies)  
to 16K Hz (Higher Frequencies), for precise room tuning of the source music.  
5. Microphone Master Level control - Use this control to adjust the overall volume of the microphones.  
6. Microphone Low Frequency EQ control - Use this control to boost or cut the lower frequency (Bass) of  
the microphones by +/-15 dB. Turning to the right provides boost, adding warmth to vocals, and turning to the left will  
reduce the bass.  
7.Mid Sweep control (Microphone) - Use the Mid-sweep (Frequency) control to determine which frequency  
to boost or cut. Since the frequency ranges from the Mid-Sweep are from 250 Hz to 6K Hz, this is particularly versatile  
for vocals, and enabling particular characteristics of the singer to be lifted or suppressed.  
8. Mid Frequency EQ control (Microphone) - Use the Mid EQ to boost or cut Mid-frequency of the  
microphone by +/-15 dB.  
9. High Frequency EQ control (Microphone) - Use this control to boost or cut the high frequency  
(Treble) of the microphones by +/-15 dB. Turning to the right provides boost, adding crispness to vocals, and turning to  
the left will reduce hiss or distorted consonants and controls the feedback from the microphone.  
10. Mic Input Volume controls - Use these controls to adjust the microphone input levels for  
each microphone pair.  
• Mic Volume 1 controls MIC 1 Input (front panel) and MIC 1/B Input (rear panel)  
• Mic Volume 2 controls MIC 2 Input (front panel) and MIC 2/B Input (rear panel)  
• Mic Volume 3 controls MIC 3 Input (front panel) and MIC 3/B Input (rear panel)  
11. Vocal Cancel switch - Press this to cancel the guide vocal of Multiplex formatted karaoke CD+G discs.  
NOTE: This feature only works with Multiplex formatted discs.  
12. Input Source selector - Press this to select both audio and video between the two input sources you wish  
to play. (DVD, CD+G)  
13. Echo On/Off switch - Press this to turn the microphone Echo on and off.  
14. Pan Control (Microphone) - Use this control to balance the microphone output between the right  
and left channels.  
15. Microphone Echo Level control - Controls the digital echo levels for microphones 1 to 6. Turn to the  
right to increase the echo effect and turn to the left to decrease the echo effect.  
16. Echo Repeat Level control - Use this control to adjust the repetition interval of the digital echo effect.  
17. Echo Delay Time control - Use this control to adjust the timing of the digital echo effect.  
18. Microphone Inputs jacks 1, 2 & 3 - Connects your microphones for vocal input.  
NOTE - To protect the speakers and the amplifier from microphone feedback, turn down the microphone volume before  
connecting the microphones.  
9
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Descriptions and Functions Cont.  
Rear Panel  
1
2
3
4
5
6
7
8
1. Mic In jacks 1B, 2B, and 3B - Connect 3 additional microphones to these jacks using ¼” mic cables.  
2. Stereo Mic Output (with Echo) - Outputs the microphone vocals only along with the Digital Echo  
effect for independent mixing of vocals.  
3. Mix 1 & 2 (Mixer Pre-out) - Outputs (Pre-out) both microphone vocals and source player music.  
4. Line Out (Music only with EQ) - Outputs the graphic EQ channels (music only) at line level, the volume  
control and the microphone inputs are both bypassed so the unit can work as an independent graphics equalizer.  
5. Audio Input jacks - Connect these jacks to the audio output jacks of up to two source player(s).  
(DVD player, CD+G player, Cassette player…)  
6. Video Input jacks - Connect these jacks to the video output jacks of up to two source player(s).  
(DVD player, CD+G player…)  
7. Video Output jacks - Connect these jacks to the video input jacks of up to two TV monitors.  
8. Voltage Selector - Use this selector to select between different input voltages.  
• 115V- For U.S. Systems  
• 230V- For European Systems  
10  
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Troubleshooting  
Cause  
Solution  
Problem  
• No power  
• Make sure the power cord is firmly  
connected and the power is turned on.  
• If using a surge protector/power strip, make  
sure it is turned on.  
• There is no sound  
• Music or Mic level is too low  
Turn up the music level controls on both left  
and right EQ channels.  
Turn up the Individual Mic Volume controls  
for each mic channel.  
Turn up the Mic Master Level control on the  
front panel.  
• The wrong input channel is set.  
• Select the proper input source using the  
Input Selector on the front panel.  
• There are improper connection(s) in your  
setup  
• Make sure all the components are connected  
correctly and that there are no defective  
cables. Refer to the user’s manual for each  
component for correct connection  
instructions.  
• The vocals are distorted  
• The mic volumes are set too high  
Try turning down the Mic Master Level and  
the individual volume controls.  
• The microphone’s tone controls are not  
properly adjusted.  
• Set High and Low controls to the center and  
the Mid control all the way to the right.  
Then sing into the mic and adjust the Mid-  
Sweep until the desired frequency of the  
vocal is found. Then turn down the Mid EQ  
and adjust the High and Low EQs until the  
desired vocal sound is found.  
• The music sounds distorted  
• The source music volume is too high  
Turn down the music level controls on both  
left and right EQ channels.  
• The settings on the 7-Band EQ need to be  
adjusted.  
• Readjust the EQ sliders to the center and  
then move each slide up or down to get the  
desired music tone.  
• Music can only be heard from  
on side of the speaker  
• The music level for one side is not turned  
on/up.  
Turn up the Left and Right music level  
controls.  
• Vocals can only be heard from  
on side of the speaker  
• The microphone Pan control is set to one  
side.  
Turn the microphone Pan control on the front  
panel to the center position.  
• The Echo On/Off button is switched off or the  
Echo level control is turned down.  
• Switch the Echo On/Off button to the ON  
position and/or turn the Echo level control up.  
• There is no Echo  
• The CD+G disc you are using is not Multiplex  
formatted.  
• Use a CD+G disc that is Multiplex format-  
ted.  
• Vocal Cancel is not canceling  
the vocals  
11  
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© Vocopro 2006  
V 1.1  
WWW.VOCOPRO.COM  
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