Instruction d'utilisation Crate Amplifiers GLX50

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GLX50
Dual Input Guitar Amplifier
with
Digital Signal Processing
User’s Guide

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GLX50 Guitar Amplifier with Digital Signal Processing TABLE OF CONTENTS: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 The Digital Signal Processor . . . . . . . . . . . . . . . . . . . . .3 The Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4,5 Suggested Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . .7 Technical Specifications . . . . . . . . . . . .

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GLX50 Guitar Amplifier with Digital Signal Processing Congratulations! You are now the proud owner of the Crate GLX50 guitar amplifier. This unique amplifier allows two players to play simultaneously, making it perfect for students, band practices, and live performances. An easy to operate DSP section lets you dial in a variety of digital effects such as delay, flange, chorus and reverb. RCA inputs with a level control allow you to play along with a compact disc, a tape, or a drum machine. The a

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GLX50 Guitar Amplifier with Digital Signal Processing The Front Panel: 1 2 3 4 5 6 7 8 9 10 NOTE: Channel A and Channel B are independent of each other up to the DSP and CD inputs. The text below (#1–10) applies to both channels. 1. INPUT: Use this 1/4” jack to connect your guitar to the amplifier by means of a shielded instru- ment cable. 2. TUNER A / TUNER B: Use this switch to assign the electronic tuner (#16) to Channel A (switch in the out position) or Channel B (switch depressed). 3. CLEAN

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GLX50 Guitar Amplifier with Digital Signal Processing 11 12 13 14 15 16 17 18 11. DSP MODE: Use this control to select one of the eight built-in digital effects. A listing of the effects is printed below the control knob. A brief description of these effects is shown on page 3 of this manual. 12: DSP LEVEL: Use this control to adjust the output level of the digital effect: in its fully counter- clockwise position the signal will be “dry” (without any effect). As you rotate the control clockwise

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GLX50 Guitar Amplifier with Digital Signal Processing Suggested Settings: CRYSTAL CLEAN: OUT PUNCHY CLEAN: OUT DIRTY PUNCH: IN DIRTY BLUES: IN EDGIE: IN SWEATY METAL: IN ARENA METAL: IN MAMMOTH METAL: IN 6

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GLX50 Guitar Amplifier with Digital Signal Processing System Block Diagram: CHANNEL A: INPUT OD OD EFFECTS LEVEL GAIN LEVEL HIGH MID LOW CLEAN OVER- TUNER DSP DRIVE A BC D EF G LEVEL MODE CHANNEL B: INPUT OD OD EFFECTS LEVEL GAIN LEVEL HIGH MID LOW CLEAN OVER- DRIVE POWER AMP SPEAKER MIX STAGE CD INPUTS HEAD PHONES LEVEL 7

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GLX50 Guitar Amplifier with Digital Signal Processing GLX50 TECHNICAL SPECIFICATIONS: Output Power Rating 50 watts RMS @5% THD, 4 ohm load Maximum Input Signal Accepted 5 volts peak-to-peak Total System Gain Clean Channel 70dB, all controls @10 Overdrive Channel 110dB, all controls @10 Input Impedance 270k ohm Tone Controls Low 28dB range @ 40Hz Mid 20dB range @ 1.5kHz High 27dB range @ 12kHz CD Inputs Maximum signal level 7.75V rms Headphones Minimum impedance 32 ohms Internal Speaker 12” Crate