Crate Amplifiers GX-20M -R User Manual

Name: Crate Amplifiers GX-20M -R
Brand: Crate Amplifiers
SKU: 1032957
Rating: 4 (1 reviews)

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GX-20M / R AMPLIFIER

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OWNER’S MANUAL

Congratulations!

You are now the proud owner of the compact but powerful Crate GX-20M/R amplifier. Two versatile channels – one crystal clear and the other with our patented “Flex-Wave” distortion – combined with reverb, a three-band EQand a switchable Chorus (GX-20M) offer you more flexibility and performance than any amp in its class. A special damping circuit simulates the “current source” type of output of a tube amp, giving you solid state reliability combined with classic tube sounds.

Like all Crate products, your GX-20M/R is Musician Made in the U.S.A., using only the best components. Extensive testing at the hands (and ears) of skilled technicians and musicians insures you that this amplifier is the absolute best it can be.

In order to get the most out of your new amplifier, we strongly urge you to go over the information contained in this manual before you begin playing.

And thank you for choosing

GX-20M/R 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 amplifier. With the control towards 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 distortion which is rich in harmonics and “touch sensitive.” Use this control along with the Level (#3) to create a wide variety of sounds.

3:LEVEL: This control sets the output volume level from the Overdrive channel: in the far-left position there will be no output; as you turn the control to the right the output increases. Use this control along with the Gain control (#2) to create a wide variety of sounds.

4:OVERDRIVE SELECT: When this pushbutton switch is pressed in the Overdrive channel is engaged. The clean channel is selected when this switch is out.

CLEAN CHANNEL: A normal gain channel designed to give you crystal clear sounds to medium distortion.

5: LEVEL: This control sets the output volume level from the Clean channel: in the far-left position there will be no output; as you turn the control to the right the output level increases. The far right setting is maximum output - as you increase the level, roll back the Low control (#6).

EQUALIZATION

6:LOW: Adjust the low frequency output level with this control: turning the control to the left reduces the low frequency output; turning it to the right increases the low frequency output. The Low control allows a total range of 25dB of boost or cut at 80Hz. Due to the massive amount of low end available, you may want to “roll off” the bass at high volumes.

7:MID: Adjust the mid frequency output level with this control: the center position is “flat” (no boost or cut). Turning the control to the left reduces the midrange output; turning it to the right increases the midrange output. The Mid control allows for 19dB of boost or cut at 900Hz.

8:HIGH: Adjust the high frequency output level with this control: in the center position the high frequency output will be “flat” (no boost or cut). Turning the control to the left reduces the high frequency output; turning it to the right increases the high frequency output. The High control allows a total range of 23dB of boost or cut at 5kHz.

9:REVERB: Adjust the amount of Reverb effect with this control: in its full-left position the signal will be “dry” (without any reverb). As you turn the control to the right the amount of reverberation increases.

10:CHORUS: (GX-20M only) The GX-20M features a built-in, preset Chorus effect to enhance the sound of either the Overdrive or the Clean channel. Press the Chorus switch IN to activate the effect.

11:HEADPHONES: For private practice sessions, plug a pair of stereo headphones into this jack. The internal speaker is disconnected whenever headphones are being used.

12:EXTERNAL SPEAKER: You may connect the GX-20M/R to an external speaker with a rated impedance of at least 4 ohms using this jack. The internal speaker is disconnected whenever an external speaker is used.

WARNING: DO NOT attempt to use headphones in the Speaker jack! Permanent hearing damage could result!

13:ON LED: The word “ON” will glow when you turn on the GX-20M/R, showing you that the amplifier is activated and ready to play.

14:POWER: This heavy-duty rocker-type switch is used to turn the amplifier ON in the left position, off in the right position. The ON LED (#13) works with this switch as a visual indicator.

15:POWER CORD: (Rear panel, not shown: This heavy-duty, grounded, three-wire power cord is to be plugged into ONLY a safely-wired, grounded 120 volt, 60 cycle AC power outlet. DO NOT attempt to defeat the ground connection of this cable! If your GX-20M/R was purchased outside of the United States, see the unit’s rear panel for its power rating and follow the above guidelines.

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