Crate Amplifiers GFX-15 User's Manual
Contents
1. 5HFX 1I53 GUITAR AMPLIFIER WITH DIGITAL SIGNAL PROCESSING lt e OVERDRIVE mek CLEAN me EQUALIZATION DSP R ia iL z f f peay o1 GFX 5 aide ahile aE aids alhele aide 7 lli aye P EL No N PEN ESN sN ES RY rev A A a v iS a e a 4 Be Ta els la el BEBE KEBE lee 4 LEVEL LEVEL OWNERS MANUAL Congratulations You are now the proud owner of the Crate GFX 15 guitar amplifier This small but versatile amplifier features two separate channels one crystal clear and the other with our patented Flex Wave distortion combined with a three band EQ and an easy to operate DSP section which lets you dial in a variety of digital effects such as delay flange chorus and reverb A special damping circuit simulates the current source type output of a tube amp giving you solid state reliability combined with clas sic tube sounds Like all Crate products your GFX 15 is designed by musicians and built using only the best components Extensive testing at the hands and ears of skilled tech nicians 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 E TE GFX 15 Amplifier Important Safeguards and Precautions All Crate products are designed for continuous safe operation as lo2. 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 e 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 IMPAIRMENT OR LOSS USER CAUTION IS ADVISED AND EAR PRO TECTION IS RECOMMENDED IF UNIT IS OPERATED AT HIGH VOLUME EXPLANATION OF GRAPHICAL SYMBOLS DANGEROUS VOLTAGE IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL EXPLICACION DE SIMBOLOS GRAFICOS A VOLTAJE PELIGROSO A ES NECESARIO QUE EL USUARIO SE REFIERA AL MANUAL DE INSTRUCCIONES REFERREZ VOUS AU MANUAL D UTILISATION EXPLICATION DES SYMBOLES GRAPHIQUES DANGER HAUTE TENSION GFX 15 Amplifier 1 INPUT Connect your guitar here by means of a shielded instrument cable OVERDRIVE CHANNEL A high gain channel giving you sounds from a slight edge to serious overdrive 2 GAIN Use this control to adjust the amount of com pression and distortion from the amplifier With the con trol fully counter clockwise the sound will have a thick compressed qua
3. RIESGO DE CORRIENTAZO RISQUE D ELECTROCUTION DO NOT OPEN NO ABRA NE PAS OUVRIR WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC PRECAUCION PARA REDUCIR EL RIESGO DE INCENDIOS O DESCARGAS ATTENTION PROT GEZ CET APPAREIL DE LA PLUIE ET DE L HUMIDIT SHOCK DO ot EXPOSE THIS aL TO RAIN OR MOIS ELECTRICAS NO PERMITA QUE ESTE APARATO QUEDE EXPUESTO A LA TURE TO REDUCE THE RISK OF ELECTRIC SH OCK DO NOT O LA HUMEDAD PARA DISMINUOIR EL RIESGO DE CORRIENTAZO REMOVE COVER NO USER SERVICEABLE PARTS INSIDE NO ABRA LA CUBIERTA NO HAY PIEZAS ADENTRO QUE EL USARIO PUEDO REFER SERVICING TO QUALIFIED SERVICE PERSONNEL 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 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 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
4. 2001 Manufacturer s Name SLM Electronics Production Facility 11880 Borman Drive St Louis MO 63146 USA Production Facility 700 Hwy 202 W Yellville AR 72687 USA Shipping Facility 1400 Ferguson Ave St Louis MO 63133 USA Office Facility 1400 Ferguson Ave St Louis MO 63133 USA Product Type Audio Amplifier Complies with Standards LVD 92 31 EEC 93 68 EEC amp 73 23 EWG Safety EN60065 EMC EN55013 EN55020 EN55022 EN61000 3 2 amp EN61000 3 3 Supplementary information provided by your local Sales amp Services Office or SLM Electronics R amp D Engineering 1901 Congressional Drive St Louis MO 63146 USA Tel 314 569 0141 Fax 314 569 0175 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 RATE www crateamps com ay q 2001 SLM ELECTRONICS A DIVISION OF ST LOUIS MUSIC 1400 FERGUSON ST LOUIS MO 63133 bona P N 47 453 01 07 01
5. adphones in the Speaker jack Serious hearing damage could occur 12 ON LED The on LED illuminates when the amplifi er is on 13 POWER Use this switch to turn the amplifier on top of the switch depressed and off bottom of the switch depressed 14 POWER CORD rear panel not shown This grounded power cord is to be plugged into a ground ed power outlet wired to current electric codes and compatible with voltage power and frequency requirements stated on the rear panel Do not attempt to defeat the safety ground connection CRATE 5 Amplifier GFX 15 TECHNICAL SPECIFICATIONS Output Power Rating 12 watts RMS 5 THD 4 ohms 120VAC Gain Overdrive Channel 86dB 6dB 1kHz Gain Clean Channel 46dB 6dB 1kHz Tone Control Range Low 250B 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 2 2 volts RMS min 400Hz Internal Speaker 8 Crate Custom Design 4 ohm Inout Power Requirements 120 VAC 60Hz 30VA 100 115VAC 50 60Hz 30VA 230VAC 50 60Hz 30VA size and Weight 13 H x 13 63 W x 8 25 D 15 Ibs The GFX 15 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 Declaration Of Conformity 33 Effective 01 01
6. at 80Hz Due to the massive amount of low end available this control should be reduced when playing at high volume levels 7 MID Use this control to adjust the mid frequency out put level Rotating this control counter clockwise reduces the mid frequency output rotating it clockwise increases the mid frequency output The Mid control allows for 19dB of boost or cut at 900HZz 7 8 9 10 11 13 8 HIGH Use this control to adjust the high frequency output level Rotating this control counter clockwise reduces the high frequency output rotating it clockwise increases the high frequency output The High control allows a total range of 23dB of boost or cut at 5kHz 9 DSP MODE Use this control to select the digital effect Each category and its central location is called out delay flange etc by the markings around the control with variations as follows e Bypass DSP off e Slapback delay e Long delay w regeneration e Flange e Slow Chorus e Fast Chorus e Chorus w small room reverb e Small room reverb e Large room reverb 10 HEADPHONES For private practice sessions plug a pair of stereo headphones into this jack The internal speaker is disconnected whenever headphones are being used 11 EXTERNAL SPEAKER Use this jack to connect the GFX 15 to an external speaker with a rated imped ance of at least 4 ohms The internal speaker is discon nected whenever an external speaker is used WARNING Do not use he
7. lity As you rotate the control clockwise 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 Use this control to adjust the output volume level from the Overdrive channel With the control fully counter clockwise there will be no output As you rotate the control clockwise the output increases Use this control along with the Gain control 2 to create a wide variety of sounds 4 OVERDRIVE SELECT This switch when depressed activates the Overdrive channel With this switch in the out position the Clean channel is activated CLEAN CHANNEL A normal gain channel designed to give you crystal clear sounds to medium distortion 5 LEVEL Use this control to asjust the output volume level from the Clean channel with this control fully counter clockwise there will be no output As you rotate this control clockwise the output level increases For the best results reduce the Low control 6 when this con trol is near the fully clockwise position EQUALIZATION 6 LOW Use this control to adjust the low frequency output level Rotating this control counter clockwise reduces the low frequency output rotating it clockwise increases the low frequency output The Low control allows a total range of 25dB of boost or cut
8. ng as common sense is used and steps are taken to help avoid certain problems Abiding by the following rules can help prevent damage to your amplifier yourself and others e The amplifier is equipped with a three pronged AC power cord To reduce the risk of electrical shock NEVER remove or otherwise attempt to defeat the ground pin of the power cord e Connect the amplifier ONLY to a properly grounded AC outlet of the proper volt age for your amp e Avoid sudden temperature extremes rain and moisture Also avoid sudden and intense impact If the unit has been subjected to any of the preceding abuses have it looked at by an authorized service center e NEVER set the amplifier on a support that might give out under its weight e Always keep the total soeaker impedance at or above the rated load e Unplug the amplifier before cleaning it NEVER spray liquid cleaners onto the amplifier Wipe it with a slightly dampened lint free cloth to remove dirt and film e Do not use the amplifier if it has sustained damage to the chassis controls or power cord Refer the unit to an authorized service center for inspection e Amplifiers capable of producing high volume levels are also capable of inflicting permanent hearing loss or damage if the exposure to such levels is prolonged Such damage is progressive and irreversible Consider using quality hearing protection devices CAUTION PRECAUCION ATTENTION T RISK OF ELECTRIC SHOCK
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