Crate Amplifiers BFX50 Manual De Usuario

Output Power Rating

25W RMS 1%THD, 4

Ω

, 20Vrms

50W RMS 1%THD, 8

Ω

20Vrms 

Gain 

42dB, tones at “5” @ 1kHz

48dB, tones at “5” @ 1kHz

Tone Range

Low

19dB range @ 60Hz

19dB range @ 60Hz

Low Mid

25dB range @ 200Hz

25dB range @ 200Hz

High Mid

19dB range @ 1kHz

19dB range @ 1kHz

High

38dB range @ 10kHz

38dB range @ 10kHz

Signal to Noise Ratio

75dB

75dB

Input Impedance

220k ohms

220k ohm

Maximum Signal Accepted

15 volts, peak-to-peak

15 volts, peak-to-peak

Power Requirements

110VAC, 60Hz, 45VA

110VAC, 60Hz, 85VA

100/110VAC, 50/60Hz, 45VA

100/110VAC, 50/60Hz, 85VA

230VAC, 50/60Hz, 45VA

230VAC, 50/60Hz, 85VA

Internal Speaker

Size

10”

12”

Type

Crate Custom

Crate Custom

Magnet

30 oz

30 oz

Voice Coil

1.0”

1.5”

RMS Rating

30 watts

50 watts

Impedance

4 ohms

8 ohms 

Size

17” H x 15.75” W x 12” D

20.62” H x 17” W x 13.5” D

Weight

39 lbs (17.7kg)

47 lbs (21.3kg) 

©2001 SLM ELECTRONICS, A DIVISION OF ST. LOUIS MUSIC, 1400 FERGUSON, ST. LOUIS, MO. 63133

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.

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.

CLEAN ONLY WITH LINT-FREE DAMP CLOTH AND DO NOT USE CLEANING AGENTS.

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.

PROTECT THE POWER CORD FROM DAMAGE DUE TO BEING WALKED ON, PINCHED, OR STRAINED.

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.

SERVICE MUST BE PERFORMED BY QUALIFIED PERSONNEL.

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.

RISK OF ELECTRIC SHOCK

DO NOT OPEN

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.

"IT IS NECESSARY FOR THE USER TO REFER TO THE INSTRUCTION MANUAL"

“ES NECESARIO QUE EL USUARIO SE REFIERA AL MANUAL DE INSTRUCCIONES.”

"REFERREZ-VOUS AU MANUAL D'UTILISATION"

EXPLANATION OF GRAPHICAL SYMBOLS:

EXPLICACION DE SIMBOLOS GRAFICOS:

EXPLICATION DES SYMBÔLES GRAPHIQUES:

"DANGEROUS VOLTAGE"

“VOLTAJE PELIGROSO”

"DANGER HAUTE TENSION"

RIESGO DE CORRIENTAZO

NO ABRA

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 QUE EL USARIO PUEDO
REPARAR DEJE TODO MANTENIMIENTO A LOS TECHNICOS CALIFICADOS.

RISQUE D'ELECTROCUTION

NE PAS OUVRIR

ATTENTION: PROTÉGEZ CET APPAREIL DE LA PLUIE ET DE L'HUMIDITÉ
AFIN D'ÉVITER TOUT RISQUE D'INCENDIE OU D'ÉLECTROCUTION. POUR
REDUIRE D'ELECTROCUTION NE PAS ENLEVER LE COUVERCLE. AUCUNE
PIECE INTERNE N'EST REPRABLE PAR L'UTILISATEUR. POUR TOUTE
REPARATION, S'ADRESSER A UN TECHNICIEN QUALIFIE.