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Precautions

Location

Using the unit in the following locations can result in a

malfunction.

• In direct sunlight

• Locations of extreme temperature or humidity

• Excessively dusty or dirty locations

• Locations of excessive vibration

• Close to magnetic fields

Power supply

Please connect the designated AC adapter to an AC outlet

of the correct voltage. Do not connect it to an AC outlet of

voltage other than that for which your unit is intended.

Interference with other electrical devices

Radios and televisions placed nearby may experience re-

ception interference. Operate this unit at a suitable distance

from radios and televisions.

Handling

To avoid breakage, do not apply excessive force to the

switches or controls.

Care

If the exterior becomes dirty, wipe it with a clean, dry cloth.

Do not use liquid cleaners such as benzene or thinner, or

cleaning compounds or flammable polishes.

Keep this manual

After reading this manual, please keep it for later reference.

Keeping foreign matter out of your equipment

Never set any container with liquid in it near this equipment. If

liquid gets into the equipment, it could cause a breakdown, fire,

or electrical shock. Be careful not to let metal objects get into the

equipment. If something does slip into the equipment, unplug

the AC adapter from the wall outlet. Then contact your nearest

VOX dealer or the store where the equipment was purchased.

* Apple, iPad, iPhone, and iPod touch are trademarks of

Apple Inc., registered in the U.S. and other countries.

* All product names and company names are the trade-

marks or registered trademarks of their respective own-

ers.

DECLARATION OF CONFORMITY (for USA)

Responsible Party : KORG USA INC.

Address : 316 SOUTH SERVICE ROAD, MELVILLE, NY

Telephone : 1-631-390-6500

Equipment Type : MODELING GUITAR AMPLIFIER

Model : VT20X / VT40X

This device complies with Part 15 of FCC Rules.

Operation is subject to the following two conditions:

(1) This device may not cause harmful interference,and

(2) this device must accept any interference received,

including interference that may cause undesired operation.

THE FCC REGULATION WARNING

(for USA)

NOTE: This equipment has been tested and found

to comply with the limits for a Class B digital device,

pursuant to Part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against

harmful interference in a residential installation. This

equipment generates, uses, and can radiate radio

frequency energy and, if not installed and used in

accordance with the instructions, may cause harmful

interference to radio communications. However, there

is no guarantee that interference will not occur in a

particular installation. If this equipment does cause

harmful interference to radio or television reception,

which can be determined by turning the equipment

off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

● Reorient or relocate the receiving antenna.

● Increase the separation between the equipment and

receiver.

●

Connect the equipment into an outlet on a circuit dif-

ferent from that to which the receiver is connected.

● Consult the dealer or an experienced radio/TV

technician for help.

If items such as cables are included with this equipment,

you must use those included items.

Unauthorized changes or modification to this system can

void the user’s authority to operate this equipment.

Notice regarding disposal (EU only)

When this “crossed-out wheeled bin” symbol is

displayed on the product, owner’s manual,

battery, or battery package, it signifies that when

you wish to dispose of this product, manual,

package or battery you must do so in an

approved manner. Do not discard this product,

manual, package or battery along with ordinary

household waste. Disposing in the correct

manner will prevent harm to human health and

potential damage to the environment. Since the correct

method of disposal will depend on the applicable laws

and regulations in your locality, please contact your local

administrative body for details. If the battery contains

heavy metals in excess of the regulated amount, a

chemical symbol is displayed below the “crossed-out

wheeled bin” symbol on the battery or battery package.

IMPORTANT NOTICE TO CONSUMERS

This product has been manufactured according to

strict specifications and voltage requirements that are

applicable in the country in which it is intended that

this product should be used. If you have purchased this

product via the internet, through mail order, and/or via

a telephone sale, you must verify that this product is

intended to be used in the country in which you reside.

WARNING: Use of this product in any country other

than that for which it is intended could be dangerous

and could invalidate the manufacturer’s or distribu-

tor’s warranty. Please also retain your receipt as proof

of purchase otherwise your product may be disquali-

fied from the manufacturer’s or distributor’s warranty.

About data

The contents of memory can be lost due to an unexpected

malfunction caused by incorrect operation or some other

reason. Be sure that you have saved important data on PC.

Please be aware that Korg will accept no responsibility for

any damages which may result from loss of data.

- 3 -

VT20X/VT40X Owner’s manual

Owner’s manual

Main Features

• The multi-stage tube amplifier circuit in the pre-amp allows the

VT20X/VT40X to reproduce the unique distortion, touch sensitivity,

and the response that is characteristic of classic tube amps.

• The revamped algorithm recreates analog circuits and allows users

to adjust parameters such as the gain and bias (operating point) of the

tube in real time, resulting in an authentic amplifier experience.

• When using certain models, the amp can be switched between Class A

and Class AB operation and, by altering the impedance variation of the

speaker, it can reproduce a sound unique to a tube power amplifier.

• Manage programs and customize amps and effects by using the included

Editor/Librarian software that is compatible with Windows, Mac or iOS.

• The power level control lets you adjust the output wattage of the power

amp.

• Sophisticated modeling technology is used to provide numerous amp

models and high-quality effects.

• You can simultaneously use up to four effects including noise reduction.

• Create your custom sound using the desired amp and effect combination,

then easily save it as one of eight programs (two banks × four channels).

Saved programs can easily be switched from the top panel or with an

optional foot switch (sold separately).

• For each amp model, three preset programs with preset songs are provided

to reproduce the tones of classic hits played by famous guitarists.

• Manual mode lets you use the VT20X/VT40X as a conventional guitar amp.

The physical positions of the actual knobs will be reflected in the sound.

• The built-in tuner allows for easy tuning of your guitar.

• The AUX IN jack allows you to connect an external audio player,

allowing you to play guitar along with recorded music.

Thank you for purchasing the VOX Valvetronix VT20X/VT40X

modeling guitar amplifier. To help you get the most out of your new

amplifier, please read this manual carefully.

Table of Contents

Main Features .................................................. 3

Setup .......................................................... 4

Auto power-off function ........................................ 4

Enabling/disabling the auto power-off function . . . . . . . . . . . . . . . . . . . 4

Panel description and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Top panel ......................................................... 4

Rear Panel ........................................................7

About the three modes ......................................... 7

Preset programs mode (recalling a preset program) . . . . . . . . . . . . . . . . 7

Manual mode ..................................................... 7

User program mode (recalling a user program) . . . . . . . . . . . . . . . . . . . . 8

Saving a program .............................................. 8

Restoring the factory settings .................................. 8

Using the tuner ................................................ 9

Using the foot switch (VOX VFS5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Operations in user program mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Foot switch operations in Preset or Manual modes . . . . . . . . . . . . . . . . 10

Connecting to a computer via USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

About the amp models and effect types . . . . . . . . . . . . . . . . . . . . . . . . 10

Amp models .....................................................10

PEDAL1 effects ................................................... 11

PEDAL2 effects ..................................................12

REVERB effects ................................................... 12

Noise reduction .................................................. 12

Specifications ................................................. 13

Song preset programs ......................................... 65

- 4 -

Setup

1. Turn the POWER LEVEL knob on the amp all the way down.(p. 5)

2. Connect the included AC adapter to the DC12V jack (p. 7) (DC19V

jack on the VT40X), and then plug the AC adapter into an AC outlet.

Only use the specified AC adapter. Using any other AC adapter

may cause malfunctions.

3. Plug the cable that’s connected to your guitar into the INPUT jack. If

an audio player will be used, connect it to the AUX IN jack.

4. Hold down the power button until the LED on the top panel lights up

and the amp is turned on.

Tip To turn off the amp, hold down the power button until the LED

turns off.

5. Slowly raise the POWER LEVEL knob to adjust the volume.(p. 5)

The tubes may produce a noise until they have warmed up. This

is not a malfunction.

Auto power-off function

The amp has an auto power-off function. With this function, the amp is

automatically turned off if there is no operation or input for approximately

1 hour. When the amp is turned off, it is not turned back on, even if a knob

or selector is operated. After the amp is turned off, turn it on again.

When the input level is extremely low or there is very little change in

the sound, the auto power-off function may be activated. In addition,

depending on the settings and environment, the amp may interpret

noise as input, even if the guitar is not being played.

The auto power-off function will not operate while the amp is

connected using a USB cable.

Tip As the factory default setting, the auto power-off function is enabled.

Enabling/disabling the auto power-off function

1. While holding down the PEDAL2 button (p. 6), turn on the amp.

The illumination of the effect selection buttons (PEDAL1, PEDAL2

and REVERB) show the current setting.(p. 6)

Enabled

Disabled

2. Press the PEDAL2 button to switch between enabling and disabling

the function.

3. Wait without performing any operation for a few seconds. The

setting is applied, and the amp automatically returns to normal

operation.

Panel description and functions

Top panel

a b c

hg ie

This illustration shows the VT40X.

a. INPUT jack

This is where you plug in your guitar.

- 6 -

USB port

Use this port and a commercially available USB cable to

connect your amplifier to a computer, etc.

e. EFFECTS section

Effect selection buttons (PEDAL1, PEDAL2 and REVERB)

Effect type LEDs

Use these buttons to adjust the effects and choose

an effect type. The selected button will begin

blinking to indicate that it has been chosen to be

edited. Use the TAP button and VALUE 1 and

VALUE 2 knobs to adjust the selected effect.

Press any effect selection button while it is

blinking to select an effect type.

An effect type LED will illuminate to indicate

your selection. Hold down an effect selection

button to turn it off and turn off the effects.

When the tuner function is engaged the effect selection buttons will display the

tuning status

(“Using the tuner” on page 9).

Tip The buttons for effects not being used will turn off.

Tip More detailed adjustments can be made to effects by using Editor/

Librarian software.

TAP button

This sets the modulation speed and delay time for

effects. The interval between two presses of the TAP

button will be set as the speed/time. The TAP button

will blink according to the specified speed/time.

Tip To set a precise speed/time that matches the tempo of a song, press

the TAP button several times along with the beat of the song.

Hold down the TAP button for at least one second to bypass all effects

and engage tuner function (“Using the tuner” on page 9).

VALUE 1 and VALUE 2 knobs

These adjust the parameters of the effects.

When the tuner function is engaged, the VALUE 1

knob adjusts the noise reduction.

The available parameters differ depending on

the effect (“About the amp models and effect types” on page 10).

Tip Using Editor/Librarian software, more detailed adjustments can be

made to the tone.

f. Power button

Hold down this button to turn the VT20X/VT40X on or off.

g. AUX IN jack

Connect the analog output of an audio device to this jack.

You can connect an audio player to this jack, then play

along on your guitar while listening to your favorite songs.

Adjust the volume for the headphones jack with the connected device.

h. Headphones jack

Use this jack if you want to output directly to a mixer or

recording device, or when you want to use headphones. The

signal that is output from this jack is taken from directly before

the power amp, and the cabinet response of the guitar amp is applied to it.

When a device is connected to this jack, no sound will be output

from the internal speaker.

Be sure to connect a stereo plug to this jack.

i. Tubes/Valves section

Tip When the amp model is changed, the parameters in the valve section

are returned to the standard settings for each amp.

BIAS SHIFT button

This adjusts the bias for the tubes. When the operating

point of the tube is changed the character of the distortion

will change. Each press of the BIAS SHIFT button switches

it in the following order: off -> green -> red.

Eﬀect selection buons

Eﬀect type LEDs

- 7 -

VT20X/VT40X Owner’s manual

Owner’s manual

Off: This mode uses the standard bias voltage, Operating the

amplifier at its nominal function.

Green (COLD): This mode uses a lower bias voltage. Each note can be

clearly heard, and unique sustain can be achieved.

Red (HOT): This mode uses a higher bias voltage. It can add more

dynamics to an overdriven sound.

CLASS button

This changes the operation of the power amp section. Each

press of the CLASS button switches it in the following

order: green -> red.

Green (A): Operates in Class A and produces a straightforward and

intuitive response.

Red

(AB)

: Operates in Class AB and produces unique tonal nuances

through compression and crossover distortion.

The Class A/AB setting does not affect the output from the headphones jack.

Tubes/Valves

The tubes may break if they are exposed to an impact. If a tube breaks,

please seek repairs.

Rear Panel

This illustration shows the VT40X.

a. DC12V (VT20X) jack, DC19V (VT40X) jack

Connect the included AC adapter here.

The AC adapter is designed specifically for the VT20X / VT40X. Do

not use any other adapter, otherwise a malfunction may occur.

b. Grounding Screw

Use this screw to ground the unit. To do so, loosen the screw and attach

a grounding wire.

Tip Depending on how the unit is connected to other devices, you may

feel a slight electrical stimulation if a soft part of your skin touches a

connected guitar or a metal part of the unit. This is caused by a very

weak current that is harmless to humans. If this bothers you, use

this grounding screw to ground the unit to an external earth.

About the three modes

Preset programs mode (recalling a preset program)

In preset programs mode, preset programs can be recalled with the

AMP MODELS knob. When this is selected, the various settings, for

example, for GAIN, TREBLE, MIDDLE, BASS, VOLUME and the effect,

will be automatically switched. Refer to the table at the end for the list of

songs programmed for each amp model.

Switching to preset programs mode

Press the PRESET PROGRAMS button once to enter preset programs

mode; the button will illuminate.

Recalling a preset program

While the PRESET PROGRAMS button is lit, turn the AMP MODELS

knob. Regardless of the positions of the knobs on the top panel, the

preset program set up for the selected amp model will be recalled.

In the preset programs mode, each press of the PRESET PROGRAMS

button switches the preset program in the following order: A, B, C. The

button lights up in green, yellow-green, red.

Manual mode

When the VT20X/VT40X is in Manual mode, it will behave like a

conventional guitar amp. In this mode, the setting positions of all

selectors and knobs in the amp section are simply applied to the sound.

- 8 -

Switching to manual mode

Hold down the PRESET PROGRAMS button for at least one second to

switch to manual mode; the PRESET PROGRAMS, BANK and channel

buttons turn off.

When in manual mode, if a parameter (effect, noise reduction, valve

section setting, etc.) not set by a knob is changed, that setting is

automatically saved. That setting will be recalled the next time that

the manual mode is entered.

User program mode (recalling a user program)

In user program mode, the program saved in the channel of the bank,

which can be selected by pressing the BANK and channel buttons, is

recalled, and all amp and effect parameters are automatically switched to

the saved settings.

Switching to user program mode

Press the BANK button or a channel button to enter user program mode;

the BANK and channel buttons light up.

Recalling a user program

Press a channel button to switch the channel, and the program saved in the

channel is recalled. Press the BANK button to switch the bank, and the channel

with the same number as that selected in the previous bank is recalled.

Tip If an optional (VOX VFS5) foot switch (sold separately) is connected

and being used, you can use your foot to switch the bank and channel.

For details, refer to “Using the foot switch (VOX VFS5)” on page 9.

Saving a program

After adjusting the various knobs and buttons on the top panel to create

your desired sound, it can be saved (written) as a user program.

Tip When saving programs to channels within the same bank, start the

procedure from step 3.

1. Hold down the BANK button for at least 0.5 second. The BANK button

blinks.

2. Press the BANK button to select the bank where the program will be saved.

Tip To cancel the write operation, press the TAP button.

3. Hold down the channel button of the save location for at least 2 seconds

(until the button changes from blinking to lit). The program is saved to

the channel, and the bank and channel for the save location are selected.

Any program previously saved at that location is overwritten.

In other words, the program previously saved at the location

selected in step 3 is erased.

The bypass setting of the effect and the POWER LEVEL setting

are not saved with the program.

If, while creating a sound in the preset programs mode or the

user program mode, you switch to another program or to manual

mode or turn off the amp before saving the sound that you are

creating, the changes that you made will be lost.

Restoring the factory settings

Here’s how to restore all settings of the VT20X/VT40X to their factory-set

state.

When this operation is done, all programs saved to channels as well

as all settings, such as custom amp settings stored from the Editor/

Librarian software, will be reset to the factory defaults.

1. Turn off the power.

2. While holding down the CH1 and CH4 buttons, turn on the amp. After

the BANK and channel buttons blink, release the pressed buttons.

Tip If you decide to cancel initialization at this point, press the TAP

button.

3. Hold down the BANK button for at least 2 seconds (until the button

changes from blinking to lit).

After the BANK and channel buttons change from blinking to lit,

initialization begins. Initialization is completed after about 1 to 2

seconds, and the amp enters the preset programs mode.

- 9 -

VT20X/VT40X Owner’s manual

Owner’s manual

Never turn off the power while initialization is in progress.

Using the tuner

The tuner function allows you to easily tune a guitar that’s connected to

the INPUT jack.

1. Hold down the TAP button for at least 1 second.

All effects, except noise reduction, are bypassed, and the tuner function

is turned on.

2. Play any open string on the guitar.

Be careful not to play any of the other strings.

3. Roughly tune the string until the button (BANK and channel buttons)

indicating the string that was played lights up.

4. While checking the effect selection buttons, correctly tune the guitar.

Sharp

Slightly sharp

In tune

Slightly ﬂat

Flat

5. Press the TAP button to turn off the tuner function and cancel bypass.

Using the foot switch (VOX VFS5)

If an optional VOX

VFS5 foot switch (sold

separately) is connected

to the FOOT SW jack on

the amp, you can use your

foot to switch the bank and channel as well as turn on/off the effect.

You must connect or disconnect the foot switch while the power is

off. Malfunctions or damage may occur if you connect or disconnect

the foot switch while the power is on.

Do not press two or more foot switches simultaneously. Doing so

may cause malfunctions.

Operations in user program mode

Switching the bank and channel (BANK and CH1 to CH4 switches)

Press a switch on the VFS5 to change the bank or channel.

If you press a VFS5 switch in preset programs mode or manual

mode, the amp will not switch to user program mode. In addition, a

program cannot be saved by holding down a channel (CH1 to CH4)

switch on the VFS5.

Use of the top panel will not be reflected by the VFS5’s LEDs.

Tap to set the speed/time (CH1 to CH4 switches)

Press the switch with the same number as the selected channel to set the

speed and time for the PEDAL2 effect. The interval between two presses

of the switch will be set as the speed and time.

- 10 -

Specifying the VFS5 operation

Hold down the switch with the same number as the selected channel for at

least 3 seconds to perform the same operation as in preset programs mode

or manual mode; the effect selection buttons blink briefly. To return to the

previous operation, hold down the CH3 switch for at least 3 seconds. (The

BANK and channel buttons blink briefly.)

Foot switch operations in Preset or Manual modes

Tap to set the speed/time (CH3 switch)

Press the CH3 switch on the VFS5 to set the speed and time for the

PEDAL2 effect. The interval between two presses of the switch will be

set as the speed and time.

Effect on/off (CH1, 2, 4 switches)

Press the CH1, CH2 or CH4 switch on the VFS5 to switch on/off the

corresponding PEDAL1, PEDAL2 or REVERB effect.

Connecting to a computer via USB

By connecting the amp to a computer using a commercially available

USB cable, the Editor/Librarian software on the computer can be used to

manage programs and customize amps/effects.

The VT20X/VT40X can also be connected to an iOS device (iPad or iPhone)

by using the Apple USB camera adapter.

Tip Install a USB-MIDI driver in order to use the Editor/Librarian software

on the computer. Download the newest versions of the drivers and

software from the VOX website (www.voxamps.com).

Tip For details on using the Editor/Librarian software, refer to the

documentation included with the software.

About the amp models and effect types

This section provides details on the amp models, the various types of

PEDAL1, PEDAL2 and REVERB effects as well as noise reduction.

Unnatural distortion may occur, depending on the amplifier and

effector settings. If this occurs, adjust the amp and effect parameters.

If a parameter not available on the top panel is changed in the

Editor/Librarian software, the tone may become quite different from

the original amp model or effect type.

Amp models

Tip Using the Editor/Librarian software, you can select more amp models

than those listed below, and you can store your favorite amp models

at USER A, USER B and USER C.

Tip In the factory default setting, BOUTIQUE CL, BRIT 1959 and BOUTIQUE

METAL are stored at USER A, USER B and USER C, respectively.

DELUXE CL

This dual channel, 22W blackface 60’s design used 6V6 power tubes and

a tube-driven spring reverb to produce a big sound at a lower wattage.

Our modeling is based on the Vibrato channel of this amp.

TWEED 4x10

This models a 4x10" combo amp from 1959 that was originally designed

for bass guitar. Its smooth and crisp overdrive sound will respond

sensitively to your picking dynamics and to the volume of your guitar.

VOX AC30

This models the Normal channel of the AC30.

The clear high range of the Celestion alnico “Blue” speaker, as well as

the rich midrange, deliver a captivating clean sound.

BOUTIQUE OD (BTQ OD)

This models the overdrive channel of a high-quality amp that was known as the

Overdrive Special, which was produced only by special order. The wonderful

sustain obtained by raising the GAIN control is smooth and soulful.

- 11 -

VT20X/VT40X Owner’s manual

Owner’s manual

VOX AC30TB

This models an AC30 amp with the “top boost” circuit of the 1964 AC30.

It delivers a smooth and refined top end, a majestically deep overdrive,

and a rich, brilliant clean sound.

BRIT 800

This models a British 100W single-channel head with master volume that

was made in 1983. Turn the GAIN control all the way up to get the thick,

snarling hard rock and heavy metal sound that dominated the 80’s.

BRIT OR MKII

This is based on a distinctly colored British 100W head that features

two channels and a tube driven spring reverb. This amp model delivers

everything from characteristic British crunch, perfect for classic rock

and blues, to modern, high-gain sounds, ideal for hard rock and metal.

DOUBLE REC

This models the modern high-gain channel from a wild beast of an

amp. Its deep and loose low-end, sparkling highs, and monstrous gain

are ideal for guitars tuned as low as possible, or for metal acts wielding

seven-string guitars.

USER A [BOUTIQUE CL]

This models the clean channel of a high-quality amp that was produced

only on special order, and was known as the overdrive special. With a

beautifully rounded low range, a sharp midrange attack, and a sweet

treble register, this is ideal for single coil pickups.

10.

USER B [BRIT 1959]

This models the high treble channel of a classic hand-wired head made

in England during the early 60’s. Raising the volume of this 100W amp

all the way produces the signature crunch that will forever be the sound

of rock‘n’roll.

11.

USER C [BOUTIQUE METAL]

This models the crushing high-gain sound that emanated from a

German-made 100W four-channel amp head. We chose the “Heavy”

channel, which delivers a startling tightness when played with a

dropped-D metal tuning.

PEDAL1 effects

1. COMP

This models a compressor that produces a clean, percussive and mellow

sustain.

Knob Parameter Effect

VALUE 1 SENS

Adjusts the sensitivity. Turn the knob toward the

right to increase the compression and sustain.

VALUE 2 LEVEL Adjusts the output level.

CHORUS

This models a classic lush analog chorus unit.

Button/Knob Parameter Effect

TAP SPEED Adjusts the modulation speed.

VALUE 1 SPEED Adjusts the modulation speed.

VALUE 2 DEPTH Adjusts the modulation depth.

OVERDRIVE

This models a well-known overdrive pedal in a green box; the remarkable

warmth of its sound has made it a timeless effect.

Knob Parameter Effect

VALUE 1 GAIN Adjusts the distortion (boost) volume.

VALUE 2 TONE Adjusts the tone.

DISTORTION

This is a classic Japanese-made distortion unit in an orange box.

Knob Parameter Effect

VALUE 1 GAIN Adjusts the distortion (boost) volume.

VALUE 2 TONE Adjusts the tone.

- 12 -

PEDAL2 effects

FLANGER

This models a truly classic analog flanger that’s associated with a great

guitarist of today who is honored by many as “the godfather of two-

handed tapping.”

Button/Knob Parameter Effect

TAP SPEED Adjusts the modulation speed.

VALUE 1 SPEED Adjusts the modulation speed.

VALUE 2 DEPTH Adjusts the modulation depth.

PHASER

This models a popular analog phaser in an orange box.

Button/Knob Parameter Effect

TAP SPEED Adjusts the modulation speed.

VALUE 1 SPEED Adjusts the modulation speed.

VALUE 2 RESONANCE Adjusts the amount of resonance.

TREMOLO

This models the acclaimed tremolo circuit built into a classic American

amp.

Button/Knob Parameter Effect

TAP SPEED Adjusts the modulation speed.

VALUE 1 SPEED Adjusts the modulation speed.

VALUE 2 DEPTH Adjusts the tremolo depth.

DELAY

This models an acclaimed analog tape echo. Originally, echo was created

by a tape head, and the delay time was specified by changing the speed

of the motor.

Button/Knob Parameter Effect

TAP TIME Adjusts the delay time.

VALUE 1 LEVEL Adjusts the mix amount of the delay sound.

VALUE 2 FEEDBACK Adjusts the amount of feedback.

REVERB effects

Adjust the mix amount of the reverb sound with the VALUE 1 knob and

the reverb duration with the VALUE 2 knob.

ROOM

This reverb type simulates a typical room that contains numerous early

reflections.

SPRING

This simulates the spring reverb that’s built into many guitar amps.

HALL

This models the reverberation and echo of a large concert hall.

PLATE

This models a classic plate reverb unit usually found in recording studios.

Noise reduction

This applies a noise-reducing effect.

As with amps and effects, noise reduction must be set for each

program. If, while changing settings in the preset programs mode

or the user program mode, you switch to another program or to

manual mode or turn off the amp before saving the settings, the

changes that you made will be lost.

When the amp model is changed, the noise reduction setting is

returned to the standard setting for each amp.

Produktspecifikationer

Varumärke:	Vox
Kategori:	högtalare
Modell:	VT20X
Färg på produkten:	Red, Silver
Vikt:	932 g
Bredd:	270 mm
Djup:	268 mm
Höjd:	156 mm
Beeldscherm:	LCD
Typ av strömkälla:	AC, Battery
Antal USB 2.0-portar:	1
Inbyggda högtalare:	Ja
Genomsnittlig effekt:	5.6 W
Typ av enhet:	Draagbare cd-speler
Spela MP3:	Ja
AUX ingång:	Ja
Frekvensband som stöds:	FM
Kassettdäck:	Ja
Spela CD-R:	Ja
Spela CD-RW:	Ja
CD-växlare:	Nee