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EQUALIZATION
The AC601/AC101 acoustic head is designed to faithfully reproduce the natural sound of your guitar. If you have a good instrument, very little
equalization (EQ)—if any—should be required. Acoustic guitars produce a very wide range of frequencies, and all of them need to be conveyed in order to
amplify the true sound of the instrument.
Since the AC601/AC101 has been designed to give you clear, detailed and musical sound at all frequencies, when the amp is set "flat"—with all EQ knobs
at 12 o'clock—you should hear a very true mirror of the sound of your guitar and its pickup. However, if and when equalization is required, you will
find this amp's EQ to be powerful and musical.
The LOW EQ (7) (8) control is set to a center frequency of 40 Hz. This means that it either boosts or cuts the volume of the frequencies around 40 Hz,
to a maximum of 16 decibels.
The MID EQ (9) control (available on channel 1 only) boosts or cuts the frequencies around 600 Hz, by as much as 16 decibels.
The HIGH EQ (8) control boosts or cuts the frequencies around 6 kHz, by as much as 16 decibels.
VPF FILTER
The AC601/AC101 features a filter that alters the equalization of your signal with specially formulated musical results. The VPF (10) (Variable
Pre-shape Filter) boosts lows (around 35 Hz) and highs (around 10 kHz), and cuts mids at 380 Hz.
EFFECTS
The AC601/AC101 offers six onboard preset EFFECTS (15) to sweeten your sound: Chorus 1, Room (reverb), Reverb 1, Reverb 2, Hall (reverb) and Chorus 2.
The EFFECT MIX knobs (13) (14) control the balance between the dry signal and the effected signal. With the effect mix control in the "off" position,
you will hear no effect. At the "max" position, you will hear only effect and no dry signal.
LINE OUT LEVEL
The LINE OUT (16) knob allows you to control how much signal comes out of the LINE OUT (24) jack on the rear panel. This is useful in live situations,
when the sound engineer may ask you to provide more or less signal to the PA.
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