Ampeg svt 4 pro users guide
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2Important Safeguards and Precautions: All Ampeg products are designed for continuous safe operation, as long 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 oth- ers. -The amplifier is equipped with a three-pronged AC power cord. To reduce the risk of electrical shock, NEVERremove or otherwise attempt to defeat the ground pin of the power cord. -Connect the amplifier ONLYto a properly grounded AC outlet of the proper voltage for your amp. -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.) -NEVERset the amplifier on a support that might give out under its weight. -Always keep the total speaker impedance at or above the rated load. -Unplug the amplifier before cleaning it. NEVER spray liquid cleaners onto the amplifier. Wipe it with a slight- ly dampened, lint-free cloth to remove dirt and film. -Dont 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. -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! TABLE OF CONTENTS Important Safeguards and Precautions . . . . . . . . . . . . . . .2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 The Front Panel Controls and Their Use (English) . . . . .4,5 The Front Panel Controls and Their Use (Spanish) . . . . .6,7 The Rear Panel (English) . . . . . . . . . . . . . . . . . . . . . . . .8,9 The Rear Panel (Spanish) . . . . . . . . . . . . . . . . . . . . . .10,11 Connections: Mono Bridged . . . . . . . . . . . . . . . . . . . . .12 Dual Mono . . . . . . . . . . . . . . . . . . . . . . . .12 Stereo . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Biamp, Full Range and Lows . . . . . . . . . .13 Biamp, Highs and Lows . . . . . . . . . . . . . .13 Biamp With Secondary Amplifier . . . . . . . .13 Some Suggested Settings . . . . . . . . . . . . . . . . . . . . . . . .14 Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . .15 Technical Specifications . . . . . . . . . . . . . . . . . . .back cover SVT-4 PRO Bass Amplifier 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 SYMBÔLES GRAPHIQUES: "DANGEROUS VOLTAGE" VOLTAJE PELIGROSO "DANGER HAUTE TENSION"==
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3 An Introduction to your new Ampeg SVT-4 PRO Bass Amplifier The harmonically rich sound and legendary performance of the AMPEG SVT are redefined in the SVT-4 PRO. This versatile and powerful bass amplifier delivers up to 1600 watts of unsurpassed musical power, and offers the classic vibrancy of tubes with several outstanding features. All of the features and controls of your SVT-4 PRO are covered in detail within the pages of this owners guide. We recommend that you go over them before you use the amplifier. Features In the world of high performance bass amps, Ampegs SVT amplifiers stand alone. In true Ampeg tradi- tion, the SVT-4 PRO offers you more power, performance and flexibility than any other bass amplifier in its class. Below are some of the outstanding features of your new amplifier - features which set it apart from the competition! -DUAL SEPARATE POWER AMPLIFIERS:Operate in true stereo or mono bridged mode for even greater output power (page 8,12) -BIAMP CAPABLE:Adjustable crossover frequency control and low-to-high fre- quency balance control allow you to fine tune the biamp abilities of the amplifier (page 5,13) -5-POSITION MIDRANGE SELECTOR:Take your pick from the five center fre- quency points available to get just the right midrange voice (page 4) -COMPRESSION CONTROL:Allows you to control the dynamics of the tonal response characteristics from the power amp, from punchy to compressed (page 4) -9-BAND GRAPHIC EQ:Use as a second channel for bass solos, or to shape your sound to your own exacting standards - an independent level control lets you adjust the Graphic EQ volume - switchable at front panel or with a footswitch (page 5). -TUNER OUT JACKS:Two jacks, one on the front panel, one on the rear panel - allows connection to an electronic tuner and provides an always live monitor feed even when the output is muted (page 4,9) -SPEAKON ®JACKS:For more reliable connections at higher outputs and for mono bridged connections (in addition to 1/4 speaker out jacks) (page 8) -TRANSFORMER BALANCED LINE OUTPUTS:Independent level control - two transformer balanced XLR and two balanced/unbalanced 1/4 output jacks - switch- able stereo or mono (one wet, one dry signal), pre- or post-EQ (page 8,9) -STEREO EFFECTS LOOP:Connect your effects here for increased intensity and quieter operation (page 9) - can be bypassed with front panel switch or footswitch. -POWER AMP IN/PREAMP OUT:Two separate loops, one for each channel: a sep- arate preamp may be connected to the Power Amp In jack, and the Preamp Out jack may be connected to a slave amp (page 8) -FOOTSWITCH CONTROL:Use a footswitch to bypass the Effects Loop, and to activate the Graphic EQ and the Mute feature (page 8) -CIRCUIT BREAKER PROTECTION:A heavy duty resettable circuit breaker pro- vides protection against fault conditions (page 8) Speakon ®is a registered trademark of Neutrik AG. SVT-4 PRO Bass Amplifier