Vox AC15VR User Manual download pdf (Page 5)

AC30VR FRONT PANEL FEATURES

1. MAINS POWER SWITCH

Turns your AC30VR OFF/ON from the connected mains

power.

2. POWER LED

Illuminates RED when your amplifier is switched on, and is

also connected to a suitable mains power supply.

MASTER

3. VOLUME

This controls the amount of volume produced by the

AC30VR’s Valve Reactor power amplifier circuit, and there-

fore the overall volume that your AC30VR supplies to any of

the loudspeaker systems that are connected.

4. REVERB

This controls the amount of digital reverb that is mixed with the

direct signal to produce a slight shimmer of reverb (low set-

tings) to concert hall depth (at high settings).

The built-in digital reverb can be cancelled or activated by the

optional VFS2 Dual Footswitch. (Channel-Reverb)

5. TONE CUT

This circuit is placed in the power amp as opposed to the pre-

amp section like the Treble and Bass controls. What this does

is the opposite of what you may think. Turning it clockwise will

decrease the higher frequencies and turning it counterclock-

wise adds higher frequencies.

OVERDRIVE CHANNEL

6. TREBLE CONTROL

This controls the amount of TREBLE in the Overdrive channel.

7. MIDDLE CONTROL

This controls the amount of MIDDLE frequency in the Over-

drive channel.

8. BASS CONTROL

This controls the amount of BASS in the Overdrive channel.

9. VOLUME CONTROL

This controls the amount of overdrive generated by the pre-

amp signal that is sent to the Valve Reactor power amplifier.

Use this to set the loudness required for your use, and also to

balance the overdrive sound against your clean (Normal)

sound.

10. CHANNEL SELECT LED

Illuminates RED when the Overdrive channel is selected.

11. GAIN CONTROL

This regulates the amount of preamp “gain” and therefore the

amount of overdrive or distortion that is generated by the

Overdrive Channel. Like the Normal Volume control, lower

settings mean less distortion, higher settings mean much,

much more distortion!

12. OVERDRIVE STYLE BUTTON

This button changes the distortion characteristics (STYLE) of

the Overdrive channel—OUT=OD1, IN=OD2.

OD1 is a warm natural “vintage” overdrive flavour, ideal for

“blues” based sounds.

OD2 is a harder, more aggressive, high gain style distortion,

more suited to “modern” playing.

13. CHANNEL SWITCHING BUTTON

This button controls whether your amplifier is set for Normal or

Overdrive—OUT = NORMAL, IN = OVERDRIVE.

Your AC30VR can also be channel switched by using the

optional VFS2 Dual Footswitch (connected via the back panel

Footswitch Jack). This function can only be operated when the

front panel button is “IN” position.

When the Normal channel is selected, the LED is not illumi-

nated—when the Overdrive channel is selected, the Red LED

is illuminated.

NORMAL CHANNEL

14. TREBLE CONTROL

This controls the amount of TREBLE in the Normal channel.

15. BASS CONTROL

This controls the amount of BASS in the Normal channel.

16. VOLUME CONTROL

This controls the volume of the clean (NORMAL) channel. At

lower settings the sound will be very clean and bright, at

higher settings the sound will become somewhat thicker and

warmer, whilst at the highest settings the sound will “break up”

into a natural vintage style distortion.

As different types of electric guitars have vastly different

amounts of tonal qualities and output levels, your guitar will

have a major influence on where you will need to set the posi-

tion of the controls on this amplifier to achieve the response

you desire.

Please Note—for this control to be functional the

amplifier channel switching facility needs to be set to

the Normal channel.

17. INPUT JACK

Connect your guitar into this socket.

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Vox AC15VR User Manual Page 5

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