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.
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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.
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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.
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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
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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
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