Crate Amplifiers BFX50 Stereo Amplifier User Manual
Contents
1. is depressed 16 AC LINE CORD rear panel not shown Plug this cord into a properly wired grounded 120 volt 60 cycle AC outlet DONOT attempt to defeat the ground connection of this power cord If your ampli fier was purchased outside of the United States see the units rear panel labeling for its power rating and follow the above guidelines CRATE BFX25 50 Bass Amplifier Suggested Starting Tone Settings ROCK CONTOUR EQUALIZATION MASTER 4a 5le 4 Za p 4 5 Le Ce ke E Ke gt A A oO 7 l TIVE EZYJAW SHAPE LOW LOW MID HIGH MID HIGH LEVEL JAZZ EQUALIZATION MASTER R s E AVA SHAPE LOW LOW MID HIGH MIO HIGH LEVEL COUN TR Y CONTOUR EQUALIZATION MASTER E ae T a r 3 w e S Md CC CC Cet ACTIVE ETAYIN SHAPE LOW LOW MID HIGH MID HIGH LEVEL F UN K CONTOUR EQUALIZATION MASTER IN T E E E E 3 2 S N 33 A N 4 a UD AVA SHAPE LOW LOW MID HIGH MID HIGH LEVEL System Block Diagram y CONTOUR cl mm GAIN O SHAPE ON LO LO HI OFF MID MID r l 4 m SPEAKER MASTER VOLUME HI TE BFX25 50 Bass Amplifier BFX25 50 TECHNICAL SPECIFICATIONS Output Power Rating Gain Tone Range Low Low Mid High Mid High Signal to Noise Ratio Inout Impedance Maximum Signal Accepted Power Requirements Internal Speaker Size Type Magnet Voice Coil RMS Rating Impedance Size Weight BFX25 25W RMS 1 THD 40 202. CRATE DE Kc BFX50 ATH BASS AMPLIFIER DIGITAL SIGNAL PROCESSING psP H FUN KN et AVE E Sigk HA p RM OWNER S MANUAL Congratulations You are now the proud owner of the compact but powerful Crate BFX25 50 Bass Amplifier with Digital Signal Processing This offers you a wide selection of digital effects designed especially for the bass guitar each of which are easily accessed with a simple turn of a control knob No programmers degree required A four band rotary EQ combined with Crate s variable Contour gives you complete control over a wide variety of sounds In addition the front panel headphone and extension speak er jacks make this amplifier equally suited for private practicing as well as perform ing in intimate surroundings Like all Crate products your BFX25 50 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 bass amp we recommend that you read this manual before you begin playing And thank you for choosing CRATE BFX25 50 Bass Amplifier CONTOUR EQUALIZATION INK WAH FLANGE OCTAVE 5 Bee 5 CHORUS 4 5 4 5 4 06 AC 3 7 tG 1 i KE 2 a 4 j d 4 4 J X yeu CZ ZE ZER 7 7 O 10 ZA ACTIVE I2 12 l2 12 l2 12 l2 12 oO 10 a GAIN SHAPE LOW LOW MID HIGH MID H
3. IGH MASTER LEVEL MODE LEVEL HEADPHONES SPEAKER The Front Panel 1 INPUT The signal output from an instrument active or passive or a line level signal may be connected here by means of a shielded instrument cable 2 GAIN This serves as the input signal level control for the amplifier allowing you to set the amplifier for the best signal to noise ratio 3 CONTOUR SHAPE This control is only active when the Contour Active switch 4 is depressed The set ting of this control shifts the frequency where the con tour effect is centered giving you a wide variety of tonal variations from a studio V shaped tone to a more live more present sound 4 CONTOUR ACTIVE This switch when depressed activates the Contour Shape control 3 5 LOW This is the low frequency control which allows for a19dB range of cut or boost at 60Hz 6 LOW MID This is the lower midrange frequency control which allows for a 25dB range of cut or boost at 200Hz 7 HIGH MID This is the upper midrange frequency control which allows for a 19dB range of cut or boost at 1kHz 8 HIGH This is the high frequency control which allows for a 38dB range of cut or boost at 10kHz 9 MASTER LEVEL This is the overall output level control for the amplifier 10 DSP MODE Select the type of digital effect s applied to the signal with this control Each effect and its central location is called out by the markings around the control The
4. SSER 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 s 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 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 IMPAIRMENT OR LOSS USER CAUTION IS ADVISED AND EAR PRO TECTION IS RECOMMENDED IF UNIT IS OPERATED AT HIGH VOL
5. UME 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 The BFX25 50 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 would damage the finish TE www crateamps com 2001 SLM ELECTRONICS A DIVISION OF ST LOUIS MUSIC 1400 FERGUSON ST LOUIS MO 63133 P N 47 356 01 07 01
6. Vrms 42dB tones at 5 1kHz 19dB range 60Hz 25dB range 200Hz 19dB range 1kHz 38dB range 10kHz 75dB 220k ohms 15 volts peak to peak 110VAC 60Hz 45VA 100 110VAC 50 60Hz 45VA 230VAC 50 60Hz 45VA 10 Crate Custom 30 oz 1 0 30 watts 4 ohms 17 H x 15 75 W x 12 D 39 Ibs 17 7kg BFX50 50W RMS 1 THD 8Q 20Vrms 48dB tones at 5 1kHz 19dB range 60Hz 25dB range 200Hz 19dB range 1kHz 38dB range 10kHz 75dB 220k ohm 15 volts peak to peak 110VAC 60Hz 85VA 100 110VAC 50 60Hz 85VA 230VAC 50 60Hz 85VA 12 Crate Custom 30 oz L 50 watts 8 ohms 20 62 H x 17 W x 13 5 D 47 lbs 21 3kg Specifications subject to change without notice L 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 PRECAUCION PARA REDUCIR EL RIESGO DE INCENDIOS 0 DESCARGAS SHOCK DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOIS ELECTRICAS NO PERMITA QUE ESTE APARATO QUEDE EXPUESTO A LA TURE TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT LLUVIA 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 SADRE
7. effects are described as follows DELAY Slapback delay effect ECHO Long delay effect with regeneration CHORUS Chorus effect FLANGE Light flange effect FUNK WAH Touch sensitive wah wah T Wah effect OCTAVE Adds secondary note one octave lower than original note CHO HALL Chorus effect with large hall reverb effect RM Small room reverb effect HALL Large hall reverb effect 11 DSP LEVEL This is the output level control for the selected DSP effect s For a dry signal no effect rotate the control full counter clockwise Rotating the control clockwise increases the magnitude of the DSP effect s applied to the signal 12 HEADPHONES For private listening connect a pair of stereo headphones into this jack The internal Speaker is disconnected when headphones are plugged in This jack may also be used to tap a line level signal from the amplifier for connecting to a recording console house sound board amplifier etc Remember that using this jack disconnects the inter nal speaker 13 SPEAKER Use this jack to connect the amplifier to an external speaker cabinet with a minimum imped ance rating of 4 ohms for the BFX25 and 8 ohms for the BFX50 The internal speaker is disconnected when this jack is used 14 ON LED This LED will illuminate when the ampli fier is turned on 15 POWER This switch applies AC power to the amplifier The amplifier is ON when the side of the switch with the indicator I
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