Ampeg b 500dr users guide

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2 TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 The Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 The Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Some Suggested Settings . . . . . . . . . . . . . . . . . . . . . . . . .6 Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Presets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Programming the B500DR . . . . . . . . . . . . . . . . . . . . . . . .7 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 Technical Specifications . . . . . . . . . . . . . . . . . . .back cover System Block Diagram . . . . . . . . . . . . . . . . . . . .back cover 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 (75CM) 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 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 PERMA- NENT HEARING IMPAIRMENT OR LOSS. USER CAUTION IS ADVISED AND EAR PROTECTION IS RECOMMENDED IF UNIT IS OPERATED AT HIGH VOLUME. CAUTIONRISK OF ELECTRIC SHOCK DO NOT OPEN WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE. TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. PRECAUCIONRIESGO DE CORRIENTAZO NO ABRA PRECAUCION: PARA REDUCIR EL RIESGO DE INCENDIOS O DESCARGAS ELECTRICAS, NO PER- MITA 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. ATTENTIONRISQUE 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. "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 SYMBÃ-LES GRAPHIQUES: "DANGEROUS VOLTAGE" VOLTAJE PELIGROSO "DANGER HAUTE TENSION"== B500DR Programmable Bass Amplifier This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a resi- dential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful inter- ference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and the receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. Changes or modifications to this device not expressly approved by SLM Electronics could void the users authority to operate the equipment under FCC rules.

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3 An Introduction to the Ampeg B500DR Programmable Bass Amplifier: Thank you for making one of the best choices you will ever make for your musical career -“ choosing one of the finest bass amps available, the Ampeg B500DR. This programmable bass amplifier delivers up to 500 watts of unsurpassed musical power, and offers several outstanding features. All of the features and controls of your B500DR are covered in detail within the pages of this users guide. We recommend going over them before you use the amplifier. Features: In the world of high performance bass amps, Ampeg amplifiers stand alone. In true Ampeg tradition, the B500DR Programmable Bass Amplifier offers you more power, performance and flexibility than any other bass amp in its class. The outstanding features of your new amplifier, features which set it apart from the competition, are listed below. - FOUR PROGRAMMABLE PRESETS:Program and keep four presets - access them with the front panel Preset pushbuttons orwith the Ampeg AFP4BD four-button footswitch (supplied) Complete information about the B500DRs presets and programs is on page 7. - TWO SWITCHABLE INPUTS:Allows you to connect two instruments to the amplifier at one time, then switch between them without having to disconnect and reconnect any cables - saves time and eliminates distracting noise - INPUT PAD:Useful for instruments with active and/or high output pickups - LED INDICATOR CONTROL KNOBS:LEDs surrounding the Gain, EQ and Effects Blend con- trols provide a visual indication of their settings for the selected Preset - PEAK METER FEATURE:The LEDs around the Gain control act as a Peak/VU meter - FX BLEND:Varies the amount of external effects mixed into the signal -LIMIT CIRCUIT:Built-in protection from overdriving the amplifier - can be disabled by the front panel Limit Defeat switch - HEAVY-DUTY SPEAKER JACKS:A Speakon ®jack is provided for a more reliable connection at higher outputs, as well as a pair of 1/4 jacks - BALANCED LINE OUTPUT:Balanced XLR line output jack with Level control - switchable for Pre or Post EQ - EFFECTS LOOP:Allows you to connect external effects to the amplifier - POWER AMP IN/PREAMP OUT:A separate preamp may be connected to the Power Amp In jack, and the Preamp Out jack may be connected to a slave amp, or use as a patch point for active devices such as compressors, EQs, etc. - CIRCUIT BREAKER PROTECTION:A heavy duty, resettable circuit breaker provides protection against fault conditions Speakon ®is a registered trademark of Neutrik AG. B500DR Programmable Bass Amplifier