Vox DA20 Specifications download pdf (Page 16)

TREMOLO

This effect is based on the highly acclaimed tremolo

circuit found in some guitar amps.

TAP “SPEED” Sets the tremolo speed in a range

of 2.5...10 [Hz].

EDIT 2 “SPEED” This lets you use the knob to make

fine adjustments to the parameter.

EDIT 3 “DEPTH” Adjusts the tremolo depth.

ROTARY

This models a rotary speaker.

TAP “SPEED” Sets the rotational speed of the

speaker in a range of 0.8...10 [Hz].

EDIT 2 “SPEED” This lets you use the knob to make

fine adjustments to the parameter.

EDIT 3 “SENS” By adjusting this parameter you can

make the rotational speed change

automatically in response to the vol-

ume of your guitar. If you use this

function, set the SPEED to a slow

setting.

DELAY

This is a model of one of the most respected ana-

logue tape echo machines ever made. In the original

the “echo” is produced by a playback head and the

exact “delay time” is set by varying the motor speed.

Many professionals prefer these “lo-fi” units because

of the warm, dark echoes they produce.

TAP “TIME” Sets the delay time in a range of

1...1,486 [ms].

EDIT 1 “MIX” Adjust the mix amount of the de-

layed sound.

EDIT 2 “TIME” This lets you use the knob to make

fine adjustments to the parameter.

EDIT 3 “FEEDBACK” Adjusts the amount of feedback.

HINT: In the CHORUS+DELAY combination effect, the

FEEDBACK parameter is already set to the optimal

value.

WARNING! If you crank up the FEEDBACK too much, an

uncontrollable, cascading “runaway” of echoes will oc-

cur. So, use your ears when setting this!

REVERB

A model of the most popular spring reverb system

used in guitar amps.

TAP “TIME” Sets the reverb time in a range of

0.8...8 [seconds].

EDIT 1 “MIX” Adjusts the mix amount of the re-

verb.

EDIT 2 “TIME” This lets you use the knob to adjust

the reverb time.

EDIT 3 “HI DAMP” Adjusts the dampening of the high-

frequency range.

HINT: In combination effects, the TIME and HI DAMP pa-

rameters are already set to optimal values.

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Vox DA20 Specifications Page 16

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