GFX-30 Amplifier
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1:INPUT: Connect your guitar here using a shielded instrument cable.
OVERDRIVE CHANNEL: A high gain channel giving you sounds from a slight edge to serious overdrive.
2:GAIN: This control sets the amount of compression and distortion from the ampli- fier. With the control towards the far left, the sound will have a thick compressed quality. As you turn the control to the right the amount of distortion increases. Crate’s exclusive “Flex Wave” circuitry uses sequential cascading gains to deliver dis- tortion which is rich in harmonics and “touch sensitive.” Use this control along with the Shape and Level controls (#3 and 4) to create a wide variety of sounds.
3:SHAPE: To quickly “dial in” just the right distortion sound, simply rotate the Shape control until you find the sound you’re look- ing for. Turning the control towards the left enhances the mid frequencies; turning it to the right enhances the low and high fre- quencies.
4:LEVEL: Sets the output volume level from the Overdrive Channel: in the far left position there is no output; turning the con- trol to the right increases the output. Use this control along with the Gain and Shape controls (#2 & 3) to create a wide variety of sounds.
5:OVERDRIVE: When this switch is pressed in the Overdrive Channel is engaged. The Clean Channel is selected when this switch is out. A footswitch (#12) overrides this switch.
CLEAN CHANNEL: A normal gain channel designed to give you crystal clear sounds.
6:LEVEL: Sets the output volume level from the Clean Channel: in the far left posi- tion there is no output; turning the control to the right increases the output level.
7:LOW: Adjusts the low frequency output level: to the left reduces the low frequency output; to the right increases it. This control allows a range of 25dB at 80Hz.
8:MID: Adjusts the mid frequency output level: to the left reduces the midrange out- put; turning it to the right increases it. This control allows a range of 19dB at 900Hz.
9:HIGH: Adjusts the high frequency output level: to the left reduces the high frequency output; to the right increases it. This control allows a range of 23dB at 5kHz.
10:DSP LEVEL: Adjust the amount of dig- ital signal processing with this control: in the full left position the output signal is “dry” (no effect); rotating the control to the right increases the amount of effect. The DSP can be turned on and off with an optional footswitch (see #12).
