VocoPro Stereo Amplifier DA 8909RV User Manual

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FEATURES:

• 180W + 180W maximum power output Mixing Amplifier

• Vocal Enhancer with High and Low Contour, Tune and Process controls for

optimal vocal reproduction and rich, vibrant sound

• ±6-step Digital Key Controller for transposing natural key of source music

• Vocal Cancel/Vocal Partner modes for removing or adding guide vocals from

Multiplex Karaoke media

• Digital Echo with Repeat and Delay controls to add depth and space to vocals

• Three Microphone Inputs with individual Volume controls

• Full-function remote control for ease of operation

• Master Music and Microphone Volume controls

• LED Gain setting to toggle display intensity

• Exciter sharpens the treble for brighter sounding music

• 3 RCA style Video Inputs and 3 Video Outputs

• 4 dedicated RCA L/R audio input channels

• Dedicated Wireless Mic Input and Mic Insert

• Mic Output with switchable Echo

• Connects up to 4 speakers with A/B switch between pairs

OWNER’S MANUAL

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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

instructions should be retained for future reference.

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.

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

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.

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:

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

Voltage Selector (General Model Only)

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.

Be sure to position the voltage selector to match the

voltage of your local power lines before installing the

unit.

220V

110V

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Welcome.

And Thank you for purchasing the DA-8909RV 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

Customer Service & General Information

[email protected]

Tech Support

[email protected]

Remember Our Website

Be sure to visit the VocoPro website www.vocopro.com for the latest information on new

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

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

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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Before Getting Started

Thank you for purchasing the DA-8909RV Digital Karaoke Amplifier/Mixer with Vocal Enhancer. The DA-

8909RV will provide years of reliability and high quality entertainment for you if used properly. Please

read this manual carefully before using your DA-8909RV to ensure best performance.

Unpacking the DA-8909RV

Carefully remove the DA-8909RV from its carton. It is recommended that you store the original packaging

materials in case you need to ship this equipment for any reason.

Be sure you have the following parts and components included with your DA-8909RV:

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ITEMS:

DA-8909RV

Stereo RCA Patch Cable

Remote Control

AAA Batteries

AC Power Cable

QUANTITY:

Rack Mount Ears (Pair)

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Getting Connected

Connecting input source players to the DA-8909RV

The DA-8909RV has stereo paired RCA inputs labeled for RCA stereo audio ouptut from CD, CDG, AUX

and DVD players and three VIDEO inputs for corresponding video signals from CDG, AUX and DVD players.

Any other audio device with RCA stereo output such as a cassette player can be connected to these

inputs. also. The device associations are for reference only.

1. Use paired RCA stereo cables to output audio signal from your players to the corresponding DA-

8909RV CD, CDG, AUX and DVD AUDIO INPUTS. Any other audio device with RCA stereo output such as

a cassette player can be connected to these inputs. also.

2. Connect the video outputs from your respective players to the DA-8909RV’s CDG, AUX and DVD VIDEO

INPUTS. Use RCA style video cables (usually coded in yellow) to carry the signal that will display Karaoke

graphics and video to TVs or other monitor devices when output from the DA-8909RV (see Connecting

TVs/Monitors).

UHF-6800

CDR-1000 PRO

CLG-600

Wireless Mic System

CD Recorder/Player

Compressor/Limiter

INAUDIBLE

GAIN

LEVEL

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-10

-6

-3

INAUDIBLE

GAIN

LEVEL

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-20

-10

-6

-3

-20

-10

2.5

0.5

-20

-10

2.5

0.5

-35

-10

-20

-35

-10

-20

OUT

MANUAL

MONO

MANUAL

-50

-30

+10

1.5

-50

-30

+10

1.5

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+10

-40

+20

0.1

200

.05

-20

+20

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+10

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0.1

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+20

OFF

THRESHOLD

RATIO

N.1

TTACK

RELEASE

Sec

OUTPUT

PROCESS

THRESHOLD

RATIO

RELEASE

Sec

OUTPUT

mSec

AUTO

STEREO

msec

AUTO

EXPANDER/GATE

COMPRESSOR/LIMITER

ENHANCER

MODE

EXPANDER/GATE

COMPRESSOR/LIMITER

ENHANCER

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VP-600

Power Amp

Effects Processor

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MULTI-FORMAT

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DVG-555K

Karaoke Changer

DVG-888K

Multi-Format Player

DVG-808K

Dual Disc Player

CDG-600RF

Cassette Player

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Getting Connected (continued)

Connecting TVs/Monitors to the DA-8909RV

The DA-8909RV has three VIDEO OUTPUT jacks which send video and/or decoded CD+G graphics patched

from your players to TVs and other video monitor devices. This enables multiple TV configurations for

performers to enjoy and KJs and VJs to program a set.

1. Connect RCA style video cables from VIDEO OUTPUT jacks 1, 2 and 3 on the DA-8909RV to the VIDEO

INPUT jack on your TV or other monitor. You may need to manually switch your TV to video mode, while

some models automatically switch when a video signal is detected. On most TVs, the INPUT jack is labeled

AUX or VIDEO.

• If the TV does not have a VIDEO IN jack, you may be able to connect the video cable to

the VIDEO INPUT of a VCR or DVD player and connect the RF OUTPUT on the VCR or DVD

player to the TV ANTENNA INPUT jack.

• If you do not have a VCR or DVD player, you will need to use an RF Modulator to make the

adaption between jacks. RF Modulators are easy to find in the electronics section of many

stores.

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LTV-5

LCD Monitor

SD-55

Rack Mount Dual LCD Monitor

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Front Panel Descriptions and Functions

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1. INPUT SELECTOR - These 4 buttons allow you to select between DVD, AUX, CDG and standard CD

player output to the DA-8909RV. This allows the DA-8909RV to differentiate between all the related

source AUDIO INPUT options available on the back panel.

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2. KEY CONTROL - You can adjust the key of your source music in half-step

increments to match the natural range of your voice using the KEY CONTROL

buttons. To flat (b) or lower the key, press the left KEY CONTROL button. To

sharp (#) or raise the key, press the right button. To return to the original key

of the music input source, press the center button. You will see the DIGITAL KEY

DISPLAY reflect the number of steps you have increased or decreased displayed

as numerals with +/-, or 0 for the original key.

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3. LED METER - The LED METER displays stereo output levels for the DA-2808VE mix. The optimal level for

a clean, undistorted signal at high output is to show only occasional peaking in the red LED range. Lower

the MUSIC VOLUME and MIC MASTER VOLUME if red LEDs are frequent.

4. REMOTE SENSOR - When operating the DA-8909RV with the Remote Control, direct the Remote

towards this SENSOR within 23 feet. Maintain a line of sight between Remote and REMOTE SENSOR clear

of obstacles to prevent signal deflection.

5. MIC MASTER VOLUME - This control adjusts the mixed output level for MIC 1, MIC 2 and MIC 3. Turn

clockwise to increase and counter-clockwise to decrease the MIC VOLUME.

6. MUSIC VOLUME - This control adjusts the output level for whichever player connected to an AUDIO

INPUT is assigned with the INPUT SELECTOR.

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Front Panel Descriptions and Functions

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7. SPEAKERS A/B - These buttons switch between 2 sets of SPEAKER OUTPUT.

8. LED GAIN - Select between a HIGH or FLAT LED display mode for different effect and visibility.

9. VOCAL CANCEL/VOCAL PARTNER - With Multiplex media, lead vocals and music are recorded in separate left

and right stereo channels. When VOCAL CANCEL is selected, the LED will illuminate and the lead vocal channel will

be removed, leaving only a duplicated instrumental track to left and right. When VOCAL PARTNER is pressed, LED

will illuminate and the vocal track will only be activated while there is no microphone input. In other words, while the

Karaoke singer is performing, the vocals will never drop entirely out, keeping the action going.

VOCAL ENHANCER - Because the DA-8909RV allows you to “TUNE” the frequency and mix, or “PROCESS” of your mi-

crophone output, it is a more powerful EQ tool than standard Bass and Treble controls.

10. VOCAL ENHANCER ON/OFF - This button activates or deactivates the VOCAL ENHANCER processor feature.

Try using this button to do an A/B comparison of a processed and unprocessed signal while someone sings into the

microphone. This is helpful for fine-tuning and system diagnostics.

11. HIGH - Similar to a Treble control, this boosts the HIGH frequencies in your EQ, from 0 to 10.

12. PROCESS - This control is similar to a Balance control for the EQ, where you can select between a mix predomi-

nantly “High end” mix and a bassier “Low end” mix.

13. TUNE - This control allows you fine tune specific frequencies more precisely, by setting the lower cutoff frequency

of the high-pass filter between 1kHz and 8kHz. Fortunately, you can still use it without understanding what that

means. The best way to use this control is by adjusting it while someone is singing into the microphone to find that

“sweet spot” where the EQ sounds clean (not harsh, without distortion) and well-balanced.

14. LOW - Similar to a Bass control, this boosts the LOW frequencies in your EQ, from 0 to 10.

15. LOUDNESS ON/OFF - For an instant Volume/Gain, the LOUDNESS button is an easy way to improve your mix when

you need an extra boost. Perfect for varying volume controls between tracks or singers.

MUSIC TONE controls

16. BASS/TREBLE - The BASS control adjusts the low end of your source music and the TREBLE

control adjusts the high end.

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Front Panel Descriptions and Functions

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17. POWER BUTTON - Use this button to turn the DA-8909RV ON or OFF.

18. REVERB VOLUME - Controls the output level of the reverb effect. Select between a range of 0 - 99% by

turning the control clockwise to increase the reverb output level and counter-clockwise to decrease the reverb

output level.

DIGITAL ECHO

19. DELAY - This control adjusts the length of time for each ECHO interval, or REPEAT. Rotating the DELAY control

clockwise will increase the DELAY, creating the effect of more “space.”

20. REPEAT - This control adjusts the number of ECHO repeats applied to the signal until the effect decays, or

fades out.

21. ECHO - This control is the overall level for the ECHO effect. Rotate clockwise to increase the amount of ECHO

effect applied to the signal, and counter-clockwise to decrease.

22. MIC TONE - The BASS control adjusts the low end of the microphone mix from MIC 1, 2

and 3, while the TREBLE control adjusts the high end of the mix.

23. MIC VOLUME - These level controls for MIC 1, 2 and 3 should be adjusted individually to get the best mix

when multiple performers are singing. Rotate clockwise to increase and counter-clockwise to decrease VOLUME

for each mic.

24. MIC 1, 2, 3 INPUTS - Connect your 1/4” cabled microphones here.

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Rear Panel Descriptions and Functions

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1. MIC MUTE switch - Mutes the microphone vocal output. Swtich ON to mute the microphone vocals

and OFF to unmute the microphone vocals.

2. WIRELESS INPUT - This input is dedicated for the output from wireless microphone systems.

3. RECORD OUT - These RCA output jacks are designed for connection to a recording device such as a

cassette deck, CD burner or hard disc recorder. Output from the RECORD OUT jacks is line-level, so the

MASTER VOLUME controls will not affect the output signal to your recording device.

4. VIDEO INPUT - Connect the RCA style video output from your CDG, AUX, and DVD player to the respective

jacks in this section.

5. MIC OUT - Using these RCA output jacks, you can isolate your mic mix, without the source music

audio input, for output to an external device.

6. ECHO EFFECT ON/OFF - This switch will assign ECHO to the mic mix output through MIC OUT (#2).

7. MIC INSERT - This jack is used for connection of an outboard processor such as a compressor using

only a single 1/4” TRS (Tip = send, Ring = return, Sleeve = signal ground).

8. VIDEO OUTPUT - Connect RCA style video cables from these outputs to the video inputs of your TV or

other video monitor device.

9. HEADPHONE jack (¼”) - Connect headphones here.

10. VOLTAGE SELECTOR - Using this switch you can select between 120V and 240V power settings

11. AC POWER OUTLET - This unswitched AC outlet is for providing power to an external device. NOTE:

DO NOT CONNECT A DEVICE THAT IS DESIGNED FOR 240V USE OR HAS A POWER CONSUMPTION LEVEL

HIGHER THAN 200W.

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Rear Panel Descriptions and Functions

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12. AUDIO INPUT - Use these inputs for connecting CD, CDG, AUX, DVD or other players and other music

sources using RCA cables. The labels here are for reference only. So, you can connect a cassette player

to the AUX input, for example, and get the same results.

13. PRE OUTPUT - These jacks are designed for connection to external power amplifiers. Output signals

from the PRE OUTPUT are sent before the DA-8909RV amplification stage. This allows you to power your

speaker system from a separate amplifier rather than the speaker output from the DA-8909RV.

14. EFFFECT LOOP - These jacks are necessary to carry the stereo signal for the DA-8909RV’s internal

effects to left and right channel output. The 2 Loop Bars which are already installed in the EFFECT LOOP

IN and OUT jacks of the DA-880VE allow the EFFECT LOOP to operate internally. However, if you wish to

bypass the internal effects, these jacks enable you to connect external effects devices to the DA-8909RV

in a stereo loop.

If you prefer to connect external effects, use RCA cables to connect from the EFFECT LOOP OUT jack

pictured here to your external effect unit EFFECT LOOP input, and then out from the component to the

EFFECT LOOP IN of the DA-8909RV. This creates a continuous stereo loop.

15. SPEAKERS OUTPUT A & B - You can connect up to 4 different speakers between SPEAKERS OUTPUT

A and B. Use ‘banana plug” style speaker cables for left and right of each pair. These can be powered

simultaneously or in individual pairs using the SPEAKERS A/B buttons on the front panel (#7).

16. AC POWER CABLE TERMINAL - Connect the included AC Power Cable here and the other end to an

electrical outlet.

17. FUSE - This plastic cover is the housing for the DA-880VE’s fuse. Use only FUSE type AC 6.3A, 250V

when replacing the fuse.

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Remote Control Descriptions and Functions

The maximum operating distance between the Remote Control and the REMOTE SENSOR is approxi-

mately 23 feet. If the effective distance of the Remote decreases, replace the batteries. To install new

batteries, remove the battery compartment lid on the back of the Remote and insert two AAA batter-

ies with polarities aligned.

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1. POWER - This remote control button turns the DA-

8909RV ON/OFF

2. INPUT SELECTOR - These buttons switch between the

signals from CD, CDG, AUX and DVD inputs. Whicever

player or source music is connected to these respective

AUDIO INPUTS will be activated with these keys.

3. MIC VOLUME - Use the  to raise the MIC MASTER

VOLUME (front panel, #5) and the  to lower this mixed

MIC MASTER VOLUME. You will see the controls on the

DA-8909RV move as you make adjustments using the

remote keys.

4. MUSIC VOLUME - Use the  to raise the MUSIC VOLUME

(front panel, #6) and the  to lower the MUSIC VOLUME.

You will see the controls on the DA-8909RV move as you

make adjustments using the remote keys.

5. VOCAL CANCEL/VOCAL PARTNER - With Multiplex

media, lead vocals and music are recorded in separate left and right stereo channels. When the VOCAL

CANCEL (VOC/C) button on the remote is selected, the LED will illuminate and the lead vocal channel

will be removed, leaving a duplicated instrumental track to left and right only. When VOCAL PARTNER

(VOC/P) is pressed, the LED will illuminate and the vocal track will only be activated only while there is

no microphone input. In other words, while the Karaoke singer is performing, the vocals will never drop

entirely out, keeping the action going.

6. DIGITAL KEY CONTROL - You can adjust the key of your source music in half-step increments to match

the natural range of your voice using the KEY CONTROL buttons on the remote control. To flat (b) or

lower the key, press the left KEY CONTROL button. To sharp (#) or raise the key, press the right button.

To return to the original key of the music input source, press the center button. You will see the DIGITAL

KEY DISPLAY reflect the number of steps you have increased or decreased displayed as numerals with

+/-, or 0 for the original key.

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Advanced Operations

Working with vocals using external effects devices

Often, vocalists use external effects such as Echo, Reverb and Key Control. While enhancing vocals, these

effects can also limit the signal’s sound quality. The DA-8909RV’s Vocal Enhancer can help “clean up” the

vocal signal after effects have been applied.

The frequency bandwidth of most vocals is approximately 300Hz - 6kHz. The DA-8909RV can improve the

sound quality of frequencies across this range so that microphone input has a more natural and clean

sound. Nuances of your vocals can be emphasized without affecting the overall sound. Since every voice

is different, we recommend that you experiment with different settings to find the sound which best suits

your preferences.

Using the Vocal Enhancer

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Use of the Vocal Enhancer will increase your speaker system’s acoustic performance and its audible

level in a room. This is particularly effective in environments with difficult acoustics. When using the DA-

8909RV’s Vocal Enhancer, MIC MASTER VOLUME level may need to be adjusted as perceived

volume increases.

1. Connect a microphone with a 1/4” cable to MIC INPUT 1, 2 or 3.

2. Select the VOCAL ENHANCER to the ON (in) position.

3. Start with the HIGH, PROCESS, TUNE and LOW controls at their center positions.

4. Adjust the HIGH and LOW clockwise or counterclockwise until you find a comfortable balance where

they are both equally audible while neither is causing feedback or distortion of the signal.

5. Now adjust the TUNE controls until you reach the desired cutoff frequency for the high-pass filter.

Ultimately, you should be able to settle on a “sweet spot” frequency setting that improves the overall tone

of your treble and bass without leaving either sounding harsh or dominant in the mix.

6. For further fine tuning, think of the PROCESS control as an overall balance between HIGH, or treble

(TOP) and LOW, or bass (BOTTOM). This is a largely a matter of preference, so you should experiment to

find the PROCESS setting that best suits your ears.

7. Try an ON/OFF comparison with the VOCAL ENHANCER to get a better idea for how it is improving your

tone and to better acquaint yourself with the result of adjusting the controls .

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DA-8909RV Specifications

MAXIMUM POWER OUTPUT ............................................... 180W + 180W

AUDIO

MICROPHONE .................................................................................. 2.5MV/10KΩ

DVD/AUX/CDG/CD .................................................................... 150MV/50KΩ

VIDEO

DVD/AUX/CDG ................................................................................. 1V P-P/75Ω

FREQUENCY RESPONSE

DVD/AUX/CDG ...................................................................... 20Hz–20kHz 3db

TONE CONTROL (MUSIC/MIC)

BASS ......................................................................... 10db/±8db (100Hz) ±3db

TREBLE ..................................................................... 10db/±8db (10KHz) ±3db

LOUDNESS CONTROL

100Hz ................................................................................................... +8db/±3db

10KHz ................................................................................................ +5db/±Ω3db

PROCESSOR

DSP .................................................................................................................. 24Bits

VOCAL ENHANCER ...................... HIGH. PROCESS. TUNE. LOW CONTROL

ECHO REPEAT ..................................................................................... 30% ~ 80%

ECHO VOLUME ................................................................................... 0% ~ 100%

ECHO DELAY TIME ...................................................... 140 msec ~ 240 msec

REVERB VOLUME ................................................................ 0 ~ 99 1.5/step

REVERB TIME ......................................................................... 0 - 99 1.0/step

KEY CONTROL RANGE ........................ +6/-6 KEY INTERVALS (13 STEPS)

SIGNAL TO NOISE RATIO ............................................................................ >50db

POWER SUPPLY, OTHER

POWER REQUIREMENTS ............................... AC 120V/240V 60Hz/50Hz

POWER CONSUMPTION ................................................................... 490 WATT

AC OUTLET

UNSWITCHED ............................................................................ 1 (MAX 200W)

DIMENSIONS

(W x D x H) .................................................................... 430 x 385 x 165 (mm)

ACCESSORIES

AC POWER CORD .................................................................................................. 1

RCA CABLES ............................................................................................................ 2

OPERATING INSTRUCTIONS .............................................................................. 1

REMOTE CONTROL ................................................................................................ 1

BATTERIES (UM-4) ................................................................................................. 2

WARRANTY CARD ................................................................................................ 1

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