Hafler SR2800, SR2300CE Introduction, Technical Design Features, WHY a NEW Amplifier TOPOLOGY?

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Specifications (cont)

18.5"

3.5"

Load Power

100V 70V

842

100V 70V

842

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- standing efficiency by means of three technologies: high-efficiency TRANS•nova Class-G circuitry, high-frequency switch- ing power supplies, and constant power output/load impedance selection switches.

Technical Design Features

WHY A NEW AMPLIFIER TOPOLOGY?

Hafler TRANS•nova amplifiers, the recording studio reference, have a floating +/- power supply for each channel and a novel drive system covered by U.S. Patents 4,467,288 and 5,567,000. Our challenge was to convert this topology into a high efficiency design with minimal increase in complexity-yielding an amplifier of outstanding audio qualities, high effi- ciency and unprecedented value. TRANS•nova Class-G is that answer.

The most common high-efficiency (Class-H) methods raise the rail voltages going to the output devices for higher power levels. TRANS•nova Class G does not do this. Instead, it operates by forming a triplet or triplex of tracking signals: A, (A+V) and (A–V), where A is the raw audio output and +/– are the floating rails. The amplifier final output is selected to be at an appropriate voltage between (A+V) and (A–V) for each condition of the signal. The output voltage and current capability are each potentially doubled and the power potentially quadrupled–without having to increase the rail voltages fed to the devices. One or more patents are expected from this technology.

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Contents SR2300CE SR2800CE Declaration of Conformity Table of Contents Power Cord Grounding Power SourcesPower Cord Protection CleaningCuadros DE Advertencias LEA LAS InstruccionesConserve EL Manual DEL Propietario Siga LAS InstruccionesInstruktionen Lesen Erforderlicher ReparaturserviceService Betriebsanleitung AufbewahrenConserver LE Guide DE Lutilisateur Suivre LE Mode EemploiLire LES Instructions Considérations DE Mise EN GardeAvvertenze Leggete LE IstruzioniConservate IL Manuale Seguire LE IstruzioniSpecifications WHY a NEW Amplifier TOPOLOGY? Technical Design FeaturesIntroduction Universal Line Voltage Input What Else Distinguishes These AMPLIFIERS?Protection Circuits Design Features SR2300, SR2800 Front View Rear ViewDesign Features SR2300CE, SR2800CE Cooling InstallationPOWER/THERMAL Requirements NoiseOutput Audio Ground CHASSIS/FLOAT SwitchPower Switch THX SR2800Daisy Chain Output OperationInput Earth Grounded Source EquipmentLevel Controls Floated EquipmentEquipment Load Switch BIAMP/STEREO SwitchSTEREO/MONO 70V 100V Switch ProtectThermal SignalClipping Biamp Mode SR2300/SR2800 Wiring DiagramsStereo Mode SR2300/SR2800 Connector Wiring70V Mono Mode SR2300/SR2800 Bridge Mono Mode SR2300/SR2800Connector Wiring Connect to CH a output CE Speakon Connector 100V Mono Mode SR2300/SR280070V Stereo Mode SR2800 only Wiring Connect to CH a outputService Policy and Limited Warranty What is CoveredU.S.A 967-3565 / in CANADA, 604