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Roland V- Guitar Amplifier VGA-3 Owner's Manual User Guide

Summary

Elevate your sound with the Roland VGA-3 V-Guitar Amplifier. This portable 50-watt unit delivers realistic tones using advanced COSM technology, featuring eleven modeled amp types, ten DSP effects, and specialized GK guitar modeling for exceptional versatility. The manual provides comprehensive safety guidelines and detailed instructions necessary for optimal operation, making it essential reading for musicians seeking professional-grade sound in home or studio settings.

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Owner’s Manual Thank you, and congratulations on your choice of the Roland VGA-3 V-Guitar Amplifier.

Before using this unit, carefully read the sections entitled: “IMPORTANT SAFETY INSTRUCTIONS” (page 2) “USING THE UNIT SAFELY” (page 3–4) , and “IMPORTANT NOTES” (page 5–6) These sections provide important information concerning the proper operation of the unit. Additionally, in order to feel assured that you have gained a good grasp of every feature provided by your new unit, owner’s manual should be read in its entirety. The manual should be saved and kept on hand as a convenient reference.

Main Features The VGA-3 guitar amp provides 50-watt output from a high-volume, 30-cm speaker housed in a portable cabinet. The unit features an advanced combination of core functions plus COSM technology for realistic V-Guitar amp sounds.

COSM AMPLIFIER The VGA-3’s amp modeling function reproduces the sounds of many popular guitar amps. This amp features eleven amp types including modeled amp sounds, from the delicate clean sound of the combo type to the large stack’s massive distortion sound, and also an original flat amp perfect for use with acoustic guitar and synthesizer sound.

EFFECT Including a newly developed spring reverb, the VGA-3 incorporates ten DSP effect types perfectly suited for use with guitar sounds.

COSM GUITAR In addition to the regular guitar input, this amp also features GK input for guitar modeling. Guitar modeling provides eleven realistic sound simulations, from electric and acoustic guitar sounds to special sounds available only with GK. Achieve a whole range of sound variations, without having to switch your guitar.

MEMORY The VGA-3’s memory lets you store and instantly call up ten amp and effect settings internally. Additionally, with the use of a foot controller (optional), you can store and call up forty settings.

TUNER A chromatic tuner is included. EXPANDABILITY Not only can you connect a foot switch, the VGA-3 also provides an input for an expression pedal, which can be used as a volume pedal or wah pedal. Also included are an EXT IN jack for connecting a CD or rhythm machine, and a RECORDING OUT/PHONES jack, which comes in handy for recording sessions or when practicing at home.

Page Summary Contents For Roland V- Guitar Amplifier VGA-3 Owner's Manual User Guide

Page 1 Owner’s Manual Thank you, and congratulations on your choice of the Roland VGA-3 V-Guitar Amplifier. Before using this unit, carefully read the sections entitled: “IMPORTANT SAFETY INSTRUCTIONS” (page...
Page 2 IMPORTANT SAFTY INSTRUCTIONS The lightning flash with arrowhead symbol, within an CAUTION equilateral triangle, is intended to alert the user to the RISK OF ELECTRIC SHOCK DO NOT OPEN presence of unin...
Page 3 USING THE UNIT SAFELY Used for instructions intended to alert The symbol alerts the user to important instructions the user to the risk of death or severe or warnings.The specific meaning of the symbo...
Page 4 012a: 101a Immediately turn the power off, remove the The unit should be located so that its location or power cord from the outlet, and request servicing position does not interfere with its proper v...
Page 5 IMPORTANT NOTES 291b In addition to the items listed under “IMPORTANT SAFETY INSTRUCTIONS” and “USING THE UNIT SAFELY” on pages 2 and 3–4, please read and observe the following: This unit is equipped ...
Page 6 IMPORTANT NOTES Additional Precautions Please be aware that the contents of memory can be irretrievably lost as a result of a malfunction, or the improper operation of the unit. To protect yourself ag...
Page 7 Contents IMPORTANT SAFTY INSTRUCTIONS MEMORY Calling Up Memory..............................................................21 USING THE UNIT SAFELY Changing the Memory Settings (Edit) ..................
Page 8 Basic Operation Front Panel TUNER MANUAL Button Memory Buttons [1]–[10] This is a built-in chromatic tuner. Press [MANUAL], lighting the Used for calling up memories and storing indicator, when you wa...
Page 9 Basic Operation WRITE Button COSM (Compsite Object Sound Modeling) Press this button to store knob and button Composite Object Sound Modeling (COSM) is Roland’s innovative and settings to memory. powe...
Page 10 Basic Operation Rear Panel fig.0020 FOOT SW Jack EXP PEDAL Jack This allows you to turn effects on and This allows you to control volume and wah off and to switch memories, etc. (p. 25). (EFX) and con...
Page 11 Settings for the GK Pickup (GK Setup) The tonal character of the VGA-3 (COSM Guitar) is greatly affected by how the divided pickup is installed. You need to enter the appropriate GK pickup settings (G...
Page 12 Settings for the GK Pickup (GK Setup) The Type of Settings GK SETTING Settings GK DIRECTION Setting You can store three sets of settings in the VGA-3. This sets the direction of the GK pickup's instal...
Page 13 Settings for the GK Pickup (GK Setup) GK PHASE Setting GK SENS 6–1 Settings This matches the phase of the GK pickup's sound with the This sets the GK pickup sensitivity for each string and sound from ...
Page 14 Settings for the GK Pickup (GK Setup) GK LEVEL Setting Finishing the GK SETUP This sets the level for the GK pickup sound and adjusts the 1. Press [TUNER]. volume balance with the sound from the guita...
Page 15 COSM GUITAR This section provides an introduction to the characteristics of each of the guitars modeled. List of Guitar Types ELECTRIC SPECIAL ST SYNTH LEAD This is a solid body guitar with single coi...
Page 16 COSM GUITAR More Advanced Operation SYNTH FILTER With SYNTH LEAD or SYNTH PAD selected, you can use an optional expression pedal (EV-5; optional) to shift the synth filter. When using an expression pe...
Page 17 COSM AMPLIFIER This section provides an introduction to the characteristics of each modeled amp. The trademarks listed in this document are trademarks of their respective owners, which are separate co...
Page 18 Effects This section provides an introduction to the characteristics of each effect. EFX Use the knob to switch to any of five different effects, CHORUS, FLANGER, PHASER, TREMOLO, or WAH. You can adju...
Page 19 Effects DELAY Use the knob to switch to any of three different Delay, CLEAR, WARM, or DOUBLING. You can adjust the amount of effect applied according to the knob position. The panel markings for CLEAR...
Page 20 Effects REVERB Use the knob to switch to any of two different Reverb, PLATE, or SPRING. You can adjust the amount of effect applied according to the knob position. The panel markings for PLATE, and SP...
Page 21 MEMORY You can store and call up ten knob and button settings on the VGA-3. Additionally, with the use of a foot controller (such as the optional GFC-50 or FC-200), you can store and call up forty kno...
Page 22 Using the GFC-50 to Operate the VGA-3 By connecting a GFC-50 foot controller (optional), you can use your foot to operate the VGA-3. Use the VGA-3’s factory MIDI settings. Connecting the VGA-3 and How...
Page 23 Using the GFC-50 to Operate the VGA-3 Storing (Writing) to the VGA-3’s Control Using an External Memories Using the GFC-50 Foot Switch or Pedal fig.0210 Connecting an external foot switch or expressio...
Page 24 Making the SYSTEM Settings (SYSTEM Setup) With the VGA-3, you can make the following system (the parameters that can be changed so that the VGA-3 operates according to the performer’s taste and partic...
Page 25 Making the SYSTEM Settings (SYSTEM Setup) NS THRESHOLD Setting EXP PEDAL MODE Setting This sets how much of the internal noise suppressor is This selects the pedal function when an expression pedal is...
Page 26 Making the SYSTEM Settings (SYSTEM Setup) MIDI OMNI MODE Setting Finishing the SYSTEM Setup You can set the MIDI Receive channel to Omni ON, whereby 1. Press [TUNER]. MIDI is received over any channel...
Page 27 Additional Data Restoring the Factory Settings The data created up to the point when the factory settings are restored is lost. When Restoring All Settings to 3. If you want to continue and reinitiali...
Page 28 Additional Data Calling Up the Factory Tone Settings for Each Individual Bank You can select any one of the Banks 0–3 listed on the Memory Sheet (p. 33) and call up that bank’s factory-loaded settings...
Page 29 Additional Data Troubleshooting This section explains some things that might go wrong when using the VGA-3, and what needs to be done to correct the problem.If you think there may be something wrong w...
Page 30 Additional Data it ar Block Diagram/Effect Connection Procedure fig.0251 MANUAL (Knob) MEMORY Acoustic Guitar Simulator Acoustic Simulator On/Off Switch INPUT Input Select Switch MASTER SPEAKER COSM E...
Page 31 Additional Data MIDI Implementation Chart V-GUITAR AMPLIFIER Date : Oct. 1, 2002 Model VGA-3 Version : 1.00MIDI Implementation Chart Transmitted Recognized Remarks Function... Basic Default 1–16 / 1 O...
Page 32 Additional Data Specifications VGA-3: V-GUITAR AMPLIFIER Rated Power Output Connectors 50W GK IN Connector INPUT Jack Patches RECORDING OUT/PHONES Jack 10 (Recalled from Panel) EXT INPUT Jack 40 (Reca...
Page 33 Memory Sheet (Factory Settings) Bank No. Name GUITAR TYPE AMP TYPE EFX DELAY REVERB HEAVY POLY OCTAVE R-FIER CLEAR PLATE BRIT CRUNCH ST BRITISH JC CHORUS ST JC CLEAN CHORUS CLEAR PLATE SWAMPY COMBO ST...
Page 35 For EU Countries This product complies with the requirements of European Directives EMC 89/336/EEC and LVD 73/23/EEC. For the USA FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEME...
Page 36 xxxxxxxx ’00-xx-xx-xxx

Manual Details

Brand Roland
Pages 36
File Size 1.20 MB
Published May 29, 2026
88 views

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Frequently Asked Questions

What are the physical specs of the VGA-3 amplifier?

It provides a 50-watt output from a high-volume, 30-cm speaker housed in a portable cabinet.

Does the amp support various types of guitars and inputs?

Yes, it supports regular guitar input and features GK input for modeling eleven realistic sounds, covering electric and acoustic tones.

What must I do if I need to service or repair the unit?

Do not attempt internal repairs; always refer servicing to qualified service personnel due to dangerous voltage within the enclosure.

How can I record sound while practicing at home?

You can use the dedicated recording session port/PHONES jack provided for connecting external devices or for practice recordings.