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Owner’s Manual
Owner’s Manual
SR2300
SR2300
SR2800
SR2800
SR2300CE
SR2300CE
SR2800CE
SR2800CE
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Declaration of Conformity Application of Council Directive: 73/23/EEC (low voltage directive) Application of Council Directive: 89/336/EEC (EMC Directive) Standard(s) to which Conformity is Declared: EN55103-1 (Emissions) EN55103-2 (Immunity) EN60065 (Safety) Manufacturer’s Name: Hafler Manufacturer’s Address: 546 South Rockford Drive, Tempe, Arizona 85281 Importer’s Name: Importer’s Address: Type of Equipment: 2-channel Audio Power Amplifier Model No.: SR2300CE SR2800CE Serial Number: Yea
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Table of Contents DECLARATION OF CONFORMITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . inside cover SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 INTROD
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NOTICE - IMPORTANT SAFETY INFORMATION The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure, that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance (servicing) instructions in the litera- ture accomp
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ADVERTENCIA – INFORMACION DE SEGURIDAD IMPORTANTE El símbolo de flecha relámpago dentro de un triángulo equilátero, es para alertar al usario de la presencia de “voltajes peligrosos” no aislados en el interior del aparato, los cuales pueden ser de suficiente magnitud para constituir un riesgo de choque eléctrico a las personas. El símbolo de exclamación dentro de un triángulo equilátero, es para alertar al usuario de la presencia de instrucciones importantes de operación y mantenimiento (servici
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ACHTUNG – WICHTIGE SICHERHEITS – INFORMATIONEN Der Blitz mit dem Pfeil, in einem gleihschenkligen Dreieck, soll den benutzer vor unisolierter “gefährlicher Spannung” innerhalb des Gerätes warnen. Das Ausrufezeichen, in einem gleichschenkligen Dreieck, soll den Benutzer darauf aufmerksam machen, dab dem Gerät wichtige Operations - und Service - Informationen beigefügt sind. Der aufleuchtende Blitz mit dem Pfeilsymbol neben einem Terminal dient dazu, den Benutzer darauf aufmerksam zu machen, dass
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ATTENTION: INFORMATIONS IMPORTANTES DE SÉCURITÉ La lumière clignotante du symbole de la flêche à l'intérieur d'un triangle équilatéral, à pour objet d'alerter l'utilisateur de la présence “d'un voltage dangereux” non-isolé à l'intérieur du produit, qui pourrait être de magnitude suffisante au risque d'éléctrocu- tion. Le point d'exclamation, à l'intériur d'un triangle équilatéral, à pour objet de prévenir l'u- tilisateur de l'importance des instructions de fonctionement et de maintenance, jointe
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NOTARE – IMPORTANTI INFORMAZIONI SULLA SICUREZZA Il simbolo del fulmine in un triangolo equilatero vuole avvertire della presenza di ten- sioni elevate non isolate e di valore sufficiente per costituire rischio di shock elettrico alle persone. Il punto esclamativo contentuto in un triangolo equilatero vuole avvertire l'utente della presenza di parti di servizio e di manutenzione che sono dettagliate nel manuale di istruzioni. Il simbolo del lampo con testa a freccia posto accanto al terminale av
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Specifications All measurements taken at Normal Operating Conditions (i.e. 1/8th rated output power) unless noted otherwise. SR2300 SR2800 POWER OUTPUT: 1kHz, 1% THD 20-20kHz, 0.2% THD 1kHz, 1% THD 20-20kHz, 0.2% THD Stereo 8Ω 350W x 2 CH 300W x 2 CH 700W x 2 CH 600W x 2 CH 4Ω 350W x 2 CH 300W x 2 CH 700W x 2 CH 600W x 2 CH 2Ω 350W x 2 CH 300W x 2 CH 700W x 2 CH 600W x 2 CH 70V — — 700W x 2 CH 600W x 2 CH Bridged 8Ω 700W x 1 CH 600W x 1 CH 1400W x 1 CH 1200W x 1 CH Bridged 4Ω 700W x 1 CH 600W x
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(cont) Specifications 18.5" Load Power 100V 70V 8Ω 4Ω 2Ω 3.5" 100V 70V 8Ω 4Ω 2Ω 19" DIMENSIONS: (2U) 3.5H" x 19"W x 18.5"D (2U) 3.5H" x 19"W x 18.5"D (rack handles add 1.25"D) (rack handles add 1.25"D) WEIGHT: 32lbs. (14.51 kg) 32lbs. (14.51 kg) Introduction The Hafler SR2300 and SR2800 amplifiers are two rack height, two channel, fan-cooled professional power amplifiers suit- able for use in the most demanding sound reinforcement and commercial sound installations. These amplifiers offer out-
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WHAT ELSE DISTINGUISHES THESE AMPLIFIERS? Constant power into varying impedances. It takes twice as much current to develop a given wattage into 2Ω as it does into 8Ω —but only half the voltage. Many amplifiers quote a high output current at 2Ω but have an unpublished operating time measured in a handful of seconds—before thermal shutdown (hopefully) precludes thermal meltdown. Our solution for this is selectable rail voltages for optimizing the amplifier to the load. This is impractical for con
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® Design Features – SR2300, SR2800 FRONT VIEW REAR VIEW – 3 A Division of – + Rockford Corp. + – 600W Tempe, AZ 85281 1 2 2Ω – 8Ω SR2800 Made in the U.S.A. 700 W Stereo, 2Ω – 8Ω Audio GND 1400W Mono, Chassis Float CH A CH A + IN BIAMP STEREO OUT – 1200W 4Ω – 16Ω Attention: Utiliser un fusible Mono,70V,100V de rechange de même type. + + For 70V, 100V, or Mono CAUTION: For continued protection from risk of fire, • Use CH B input replace only with same type • Load across RED and rating of fu
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® Design Features – SR2300CE, SR2800CE FRONT VIEW REAR VIEW A Division of PIN SPKR Rockford Corp. 1+ CHA+ Tempe, AZ 85281 1- CHA- 600W SR2800 Made in the U.S.A. 2+ CHB+ 2 – 8Ω 700 W Stereo, 2Ω – 8Ω 2- CHB- 1400W Mono, Audio GND CH A OUT CH A CH A (MONO) IN BIAMP STEREO BUFFER Chassis Float THRU PIN SPKR Attention: Utiliser un fusible de rechange de même type. 1+ NC 1- NC CAUTION: For continued 2+ CHB+ 600W protection from risk of fire, 2- CHB- 2 – 8Ω replace only with same type and rating
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Installation The SR2300/2800 is a standard 2U (2 rack height) 19" rack-mount unit, with both front and rear rack mounting ears. In portable systems, the amplifier must be supported at both the front and rear. ! COOLING The SR2300/2800 uses forced-air cooling (fan cooling) to remove the heat produced during normal operation. Free air flow at the mounting location is a critical factor in accomplishing long-term reliable operation of the amplifier. Maximumoperating ambient temperature is 40°. The i
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AUDIO GROUND CHASSIS/FLOAT SWITCH In general, the Audio Ground of each amplifier should be connected to AC mains earth ground AT ONE POINT ONLY- either through the Chassis (by selecting the "Chassis" position) OR through the input cable (with the switch in the "Float" position, and pin 1 of the XLR or the sleeve of the 1/4" connected to the ground of the signal source unit.) The Chassis/Float switch can be used as a means to troubleshoot ground loop problems, or to verify wiring. Ground loops ar
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Operation The amplifier will operate with either a balanced or unbalanced signal source. INPUT The input jacks used on the SR2300/2800 are dual function connectors which accept 1/4" TRS (Tip Ring Sleeve) or male XLR plugs. The amplifier will operate with either a balanced or unbalanced signal, from earth ground or floated source equipment. To determine if your equipment is earth grounded or floated, consult the owner’s manual or test with an ohm- meter. The signal connections are as follows: XLR
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FLOATED EQUIPMENT Units with a 2-pin mains power cord have no means to connect the audio output ground to earth ground, so usually the audio output ground is floated from earth ground. However, this does not insure that when installed in a system, the audio output ground will remain floated from earth ground. The input cable to this equipment may already be connected to earth ground earlier in the audio chain, and it will typically be carried straight through to the output. It is also possible t
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BIAMP/STEREO SWITCH Turn amplifier off before operating this switch. This switch is located on the rear panel and selects either: Stereo mode- 2 input signals and 2 output signals. Biamp mode- 1 input signal and 2 output signals. Biamp mode is useful if a mono signal needs to be distributed to speakers of differing impedance or power level. The load switch for each channel can be selected for the appropriate load, and the level controls can be adjusted individually for each channel. See diagrams
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If the “Protect” LED is illuminated for prolonged periods during normal operation, select the next lower value Load Switch setting. Continue until the “Protect” LED ceases to illuminate, or lights infrequently. This switch can be safely operated while the amplifier is running. In 70V or 100V mode, the “Protect” LED indicates there are too many speakers loading the array. THERMAL Indicates when the thermal protection has shut down the amplifier. After cooling sufficiently, the amplifier will auto
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Wiring Diagrams STEREO MODE (SR2300/SR2800) Load Power 100V 70V 8Ω 4Ω 2Ω 100V 70V 8Ω 4Ω 2Ω CE SPEAKON Connector Wiring – 3 A Division of – + Rockford Corp. + — Tempe, AZ 85281 1 2 300W 2Ω – 8Ω SR2300 Made in the U.S.A. 300 W Stereo, 2Ω – 8Ω Audio GND 600W Mono, 70V,100V Float Chassis CH A CH A + IN BIAMP STEREO OUT — 600W 4Ω – 16Ω Attention: Utiliser un fusible Mono,70V,100V de rechange de même type. + + CAUTION: For continued For 70V, 100V, or Mono protection from risk of fire, • Use CH B
