Crate Amplifiers GFX-30 User's Manual
Contents
1. 5HFX 3U GUITAR AMPLIFIER WITH DIGITAL SIGNAL PROCESSING OWNER S MANUAL Congratulations You are now the proud owner of the Crate GFX 30 guitar amplifier Featuring a Clean channel with a 3 band EQ and Level control and an Overdrive channel with our patented Flex Wave circuitry with Gain Level and Crate s Shape control plus an easy to operate DSP section which lets you dial in a variety of digital effects such as delay flange chorus and reverb with its own level control the GFX 30 offers you more flexibility and performance than any amp in its class A special damping circuit simulates the current source type output of a tube amp giving you solid state reliability combined with classic tube sounds Your GFX 30 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 CRATE CRATE x Amplifier LEVEL GAIN SHAPE 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 from2. and DSP on off 13 HEADPHONES For private practice sessions plug a pair of stereo headphones into this jack The internal speaker is dis connected whenever headphones are used 14 SPEAKER Connect to an extension speaker cabinet with this jack The jack is wired in series with the internal speaker s GFX 30 oA o o e gt ls T 13 14 15 16 15 ON LED The word ON will glow when you turn on the GFX 30 showing you that the amplifier is activated and ready to play 16 POWER SWITCH Turns the amplifier ON in the up position off in the down posi tion 17 POWER CORD rear panel not shown Your GFX 30 is equipped with a heavy duty grounded three wire power cord Be sure this cord is properly plugged into a safely wired grounded 120 volt 60Hz AC power outlet before use If your GFX 30 was purchased outside the United States refer to the rear panel for power ratings For your safety never attempt to defeat the ground connection on this cord 18 FUSE rear panel not shown Protects the amplifier against damages caused from a faulty AC power source or other problems If the fuse blows replace it ONLY with the same size and type fuse If the fuse blows repeatedly check the AC source if it s okay contact your Crate deal er for service information WARNING DO NOT attempt to use headphones in the Speaker jack Permanent hearing damage could result TE GFX 30 Amplifier GFX
3. 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 amp 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
4. 30 TECHNICAL SPECIFICATIONS Output Power Rating gt 30 watts RMS 5 THD 4 ohms 120VAC Gain Overdrive Channel 86dB 6dB 1kHz Gain Clean Channel 46dB 6dB 1kHz Tone Control Range Low 200B 80Hz Tone Control Range Mid 19dB 900Hz Tone Control Range High 23dB 5kHz Signal To Noise Overdrive Channel gt 50dB Signal To Noise Clean Channel gt 65dB Maximum Signal Accepted Internal Speaker gt 1 2 volts RMS min 400Hz 12 Crate Custom Design 4 ohm 120 VAC 60Hz 50VA 100 115VAC 50 60Hz 50VA 230VAC 50 60Hz 50VA 18 5 H x 19 5 W x 11 D 20 Ibs Inout Power Requirements size and Weight The GFX 30 is covered with a durable black Tolex material wipe it clean with a lint free cloth Never spray cleaning agents onto the cabinet Avoid abrasive cleansers which could damage the finish CAUTION PRECAUCION ATTENTION RISK OF ELECTRIC SHOCK RIESGO DE CORRIENTAZO RISQUE D ELECTROCUTION DO NOT OPEN NO ABRA NE PAS OUVRIR WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOIS TURE TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL PRECAUCION PARA REDUCIR EL RIESGO DE INCENDIOS O DESCARGAS ELECTRICAS NO PERMITA QUE ESTE APARATO QUEDE EXPUESTO A LA LLUVIA O LA HUMEDAD PARA DISMINUOIR EL RIESGO DE CORRIENTAZO NO ABRA LA CUBIERTA NO HAY PIEZAS ADENTRO Q
5. MENT OR LOSS USER CAUTION IS ADVISED AND EAR PRO TECTION IS RECOMMENDED IF UNIT IS OPERATED AT HIGH VOLUME DANGEROUS VOLTAGE IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL VOLTAJE PELIGROSO ES NECESARIO QUE EL USUARIO SE REFIERA AL MANUAL DE INSTRUCCIONES DANGER HAUTE TENSION REFERREZ VOUS AU MANUAL D UTILISATION EXPLANATION OF GRAPHICAL SYMBOLS EXPLICACION DE SIMBOLOS GRAFICOS EXPLICATION DES SYMBOLES GRAPHIQUES Crate continually develops new products as well as improves existing ones For this reason the specifications and information in this Crate manual are subject to change without notice CRATE www crateamps com ay q 1998 SLM ELECTRONICS A DIVISION OF ST LOUIS MUSIC 1400 FERGUSON ST LOUIS MO 63133 bona P N 47 454 01 03 02
6. UE EL USARIO PUEDO REPARAR DEJE TODO MANTENIMIENTO A LOS TECHNICOS CALIFICADOS REPARATION S ADRESSER A UN TECHNICIEN QUALIFIE IMPORTANT SAFETY INSTRUCTIONS READ FOLLOW HEED AND KEEP ALL INSTRUCTIONS AND WARNINGS e DO NOT OPERATE NEAR ANY HEAT SOURCE AND DO NOT BLOCK ANY VENTILATION OPENINGS ON THIS APPARATUS FOR PROPER OPERATION THIS UNIT REQUIRES 3 75mm OF WELL VENTILATED SPACE AROUND HEATSINKS AND OTHER AIR FLOW PROVISIONS IN THE CABINET e DO NOT USE THIS APPARATUS NEAR SPLASHING FALLING SPRAYING OR STANDING LIQUIDS e CLEAN ONLY WITH LINT FREE DAMP CLOTH AND DO NOT USE CLEANING AGENTS e ONLY CONNECT POWER CORD TO A POLARIZED SAFETY GROUNDED OUTLET WIRED TO CURRENT ELECTRICAL CODES AND COMPATIBLE WITH VOLTAGE POWER AND FREQUENCY REQUIREMENTS STATED ON THE REAR PANEL OF THE APPARATUS e PROTECT THE POWER CORD FROM DAMAGE DUE TO BEING WALKED ON PINCHED OR STRAINED e UNPLUG THE APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG PERIODS OF TIME e ONLY USE ATTACHMENTS ACCESSORIES STANDS OR BRACKETS SPECIFIED BY THE MANUFACTURER FOR SAFE OPERA TION AND TO AVOID INJURY THIS APPARATUS DOES NOT OPERATE NORMALLY AND REQUIRES SERVICE WITH ANY PHYSICAL DAMAGE FROM IMPACT OR ANY EXPOSURE TO MOISTURE e SERVICE MUST BE PERFORMED BY QUALIFIED PERSONNEL e OUR AMPLIFIERS ARE CAPABLE OF PRODUCING HIGH SOUND PRESSURE LEVELS CONTINUED EXPOSURE TO HIGH SOUND PRESSURE LEVELS CAN CAUSE PERMANENT HEARING IMPAIR
7. 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 CRATE x Amplifier a LJ DSP neem FLANGE eg is CHORUS REVERB am LEVEL 10 11 12 11 DSP MODE Select the type of digital effect s desired with this control Each cat egory and its central location is called out delay flange etc by the markings around the control there are two variations per effect as follows e Slapback delay e Long delay w regeneration e Light Flange e Heavy Flange e Slow Chorus e Fast Chorus e Chorus w small room reverb e Chorus w large room reverb e Small room reverb e Large room reverb 12 FOOTSWITCH Connect a two button footswitch such as the Crate CFP 2 here for remote control of the Channel Select
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