UNPLUG THE APPARATUS DURING LIGHTNING STORMS OR WHEN UNUSED FOR LONG PERIODS OF TIME.

BT25/BT50 Bass Amplifier

Table Of Contents:

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 The Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . .4,5 Some Suggested Settings . . . . . . . . . . . . . . . . . . . . . .6 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . .7 Technical Specifications . . . . . . . . . . . . . . . .back cover

CAUTION

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.

PRECAUCION

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.

ATTENTION

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.

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.

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.

ONLY USE ATTACHMENTS, ACCESSORIES, STANDS, OR BRACKETS SPECIFIED BY THE MANUFACTURER FOR SAFE OPERATION AND TO AVOID INJURY.

WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DO NOT EXPOSE THIS UNIT TO RAIN OR 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.

EXPLANATION OF GRAPHICAL SYMBOLS:

"DANGEROUS VOLTAGE"

EXPLICACION DE SIMBOLOS GRAFICOS:

= “VOLTAJE PELIGROSO”

EXPLICATION DES SYMBÔLES GRAPHIQUES:

"DANGER HAUTE TENSION"

"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"

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Crate Amplifiers bt25/bt50, crate bass amplifier manual Table Of Contents

crate bass amplifier, bt25/bt50 specifications

Crate Amplifiers has long been recognized for producing high-quality sound equipment, and their BT25 and BT50 bass amplifiers are no exceptions. These models cater to bass players looking for powerful, versatile, and portable amplification solutions that can handle a variety of musical styles.

The Crate BT25 is a compact 25-watt bass amplifier designed for practice and small gigs. Despite its modest power rating, the BT25 packs a punch with its 10-inch speaker that delivers a full-bodied sound. It features a three-band EQ that allows musicians to sculpt their tone, making it easy to dial in the desired bass, mid, and treble frequencies. Additionally, the amplifier includes a built-in overdrive circuit, providing options for players looking to add grit and warmth to their sound without the need for external pedals.

On the other hand, the BT50 steps up the power with 50 watts, making it suitable for larger venues or louder practice sessions. This model also boasts a 10-inch speaker, ensuring a rich and dynamic audio experience. The BT50 shares many of the same features as the BT25, including a three-band EQ and built-in overdrive, but adds a few more bells and whistles. One notable feature is the headphone jack, which allows for silent practice, as well as an auxiliary input for jamming along with tracks from an external device.

Both amplifiers are designed with portability in mind; they are lightweight and feature a rugged construction, making them easy to transport and reliable for the road. The durable cabinet ensures that they can withstand the rigors of everyday use, while the sleek designs make them aesthetically pleasing in any setting.

In terms of technology, Crate has integrated a closed-back cabinet design in both the BT25 and BT50, enhancing low-frequency response and overall volume output. The amplifiers also come equipped with a built-in limiter, which helps prevent distortion and maintain audio clarity, even at high volumes.

Overall, the Crate BT25 and BT50 bass amplifiers provide excellent sound quality, versatility, and portability, making them a great choice for both novice and experienced bass players alike. Their combination of features, reliability, and user-friendliness ensures that musicians can focus on what they do best—creating outstanding music.