Acoustic AG120S Manuale d'uso - Pagina 6

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1. Rear Panel

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The AG120S Acoustic Performance system is designed for up to four inputs, which can be any combination of

microphones and instruments. One suggested operation of the AG120S would be to use Channel 1 for vocal

microphones, and Channel 2 for instruments. Its EQ and effects can be tailored for each channel independently,

while the Stereo Aux Input (see #9) allows for true stereo playback of your MP3 device.

1. Dual combination balanced XLR and 1/4" 2-conductor

acoustic instrument inputs. These four inputs may

be used simultaneously, with each having their own

volume control. You may plug an acoustic instrument

and/or microphone into any input in either channel.

2. Volume controls adjust the overall loudness of the

individual inputs of the amplifier. If your acoustic

instrument has a preamp, you should set the volume

control on your instrument at about half volume.

You can then adjust the amplifier volume to your

normal playing level and still have room to increase or

decrease your volume as needed from the instrument.

3. Low frequency control set to boost (15 dB) or cut (-15

dB) frequencies at 80 Hz. This controls the lowest

fundamental frequencies to enhance the warmth and

the deep, full tones of your acoustic instrument.

4. Midrange frequency control set to boost (15 dB) or

cut (-15 dB) frequencies that you can sweep between

500Hz and 1.2kHz. Moving, cutting or boosting these

mid frequencies will give you maximum control over

the body of your tone. This control can also be useful

in eliminating acoustic feedback. It also allows you to

control the definition and voice of your

acoustic instrument.

5. High frequency control set to boost (15 dB) or cut (-15

dB) frequencies at 10 kHz. Increasing this will enhance

the clarity and brightness of your acoustic instrument.

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6. The Effect Level control is used to determine how

much of the selected effect is applied to your music.

Each channel has an independent Level control for

the effects.

7. The Effect Select control for each channel allows

you to select from one of 16 different stereo effects

including reverbs, delays, true stereo choruses

and combinations of the above. The 16 effects are

detailed around the face of the knob. A unique and

useful feature is that a different effect can be selected

for Channels 1 and 2. See page 7 for effects list.

8. The Master Level controls the overall stage volume

of the amplifier. Changing this level control will not

affect the line out levels on the back of the amplifier,

therefore will not change your signal sent to a live or

recording mixing console.

9. This 1/8" 3-conductor input jack will allow you to

plug in a CD, MP3 player or any other source so you

can play along. This input has a separate level control

which allows for fine tuning of the input signal.

10. Power LED will illuminate with a soft blue color

when the amp is turned on and ready to play.

11. 1/8" headphone jack will disconnect the internal

speaker when used.