Turbosound LMS-D6 T-45 High Efficiency Audio Power Amplifiers, General Features & Facilities

Page 78

user manual

TA-890

T-25 AND T-45 HIGH EFFICIENCY AUDIO POWER AMPLIFIERS

General Features & Facilities

The T-25 and T-45 are highly efficient, lightweight, rugged high power amplifiers, with many original features developed to meet the requirements of modern professional sound reinforcement, for both touring and fixed installations. They have been designed with audio quality ranking equal first alongside utility and ruggedness.

The T-25 and T-45 utilise proprietary progressive switching rail output, which enables extremely high voltage swings and peak power without compromising sonic quality. Fan speed is automatically varied as required to keep the amplifiers within temperature limits. Signal limiters are included to protect speakers from clipped signals. The amplifiers include full DC and short circuit protection to ensure trouble-free service even in harsh environments.

•Two independently controlled and powered channels.

•High continuous power, in excess of 1250 watts per channel into 4 ohms (T-25) and 2250 watts per channel into 4 ohms (T-45).

•-3dB indicators to ensure accurate level monitoring

•Power reduction control (PRC) allows maximum output level to be set below rated power output

•A 10kΩ actively balanced, fully floating input is fitted as standard.

•Front panel display of output device temperature.

•High damping factor, >400 below 1kHz.

•Low noise vari-speed fans for quiet operation.

•Front-panel accessible filter for improved dust collection.

•Consistent reliability and easy serviceability through solid, lightweight construction and modular packaging.

TA-890 user manual Page 78

Image 78

Contents Aspect TA-890 System TA-890 TA-890 TA-890 Amplifier Rack Signal Wiring Output Connections EC Declaration of Conformity ProductsIntroduction Turbosound Aspect System ConceptsTurbosound Polyhorn TA-890 Aspect TA-890 Turnkey System Concept LMS-D24, LMS-D26 and LMS-D6 Loudspeaker Management Systems Power AmplifiersLoudspeaker Management System LMS Concept Amplifier RacksDigital Controllers Aspect Loudspeaker ComponentsTA-890L Low Frequency Enclosure TSW-218 Subwoofer TA-890H Mid-high EnclosureTA-890 Transportation Aspect Flying Systems Flying and Stacking OverviewSetting up a Venue Overview Gigmate Acoustic SimulationRunning Turbosound GigMate / Ease Focus for the first time System Setup Designing a system TA-890 TA-890 Changing the system Theatre-style venue 3-wide flown cluster @ 1kHz Safety Notes on Rigging Sample Certificate of Load Test Wide and Narrow Flybar Settings Flying HardwareSingle A-System Flybar FB-890/1A TOP View Bottom View Figue 3. Triple ‘A’ System Flybar FB-890A/3W FC-890 Flying Chains TS-890 Tilting StrapsTA-890 Four-wide hang using MB-890 and FB-890/2A Integral Flying Hardware ‘A’ System FlygearDrop Link Connecting Flying Chains to the CabinetConnecting Cabinets ‘A’ System Swing LatchSetting Vertical Angles ‘A’ System Attaching the Tilt Straps Attach buckleTurbobass Directivity Bass Enclosure arrayingAiming directivity of the stack TA-890 Typical Left to Right problem ABC DEFCreating Directional Bass arrays Bass in a lineFanned bass Bessel Array General observations of long lines of bassEnd firing array Summing up Ground stacking LMS Series Loudspeaker Management Systems General features & facilities UnpackingMechanical Installation IntroductionLMS-D6 Front Panel Functions Mains Power LMS-D6 Rear Panel FunctionsAC Power Fusing Voltage SettingSafety Earthing Powering UpInput and Output Connector Wiring Time correction for loudspeaker driver placementAudio Connections Features LMS-D24 and D26 Loudspeaker Management SystemsFront Panel Functions TA-890 Rear Panel Functions Starting up Selecting a Factory PresetOperating the LMS-D24 and D26 Creating a CrossoverA Freq Width Gain EQ1 100Hz 1.4Q 0.0dB Navigation and Viewing ParametersOut1 Freq Width Gain EQ1 100Hz 1.4Q 0.0dB NavigationPreset Recall PresetsPreset Name Store My System Preset StoreDSP Processing Layout Input DSP block diagramOutput DSP block diagram Stereo / Mono FormatsDSP Processing Input ChannelsA Freq Shape HPF 20.0Hz LR24 Parametric Equalisation High and Low shelving filtersParametric filters Delay Output ChannelsGain and Polarity Out1 Freq Shape LPF 2.50k LR24 High and Low Pass FiltersOut1 Freq Slope Gain EQ- 100Hz 12dB 0.0dB Limiters RoutingUtilities Utility functionsAudio Input Connectors AMP-890 Aspect System Amplification Rack Racking, Cables and ConnectionsOptions Input ConnectionsAmplifier Rack Signal Wiring Output ConnectionsMid-High Outputs Break-out Cables NL4 bass Break-out cables NL8 mid-high Extension CablesMains Connections T-45 High Efficiency Audio Power Amplifiers General Features & FacilitiesFront Panel Functions T-25 Front Panel Functions T-45 Mechanical Installation Voltage Range Audio Connections & ControlsGain and Sensitivity Settings PolarityInput Impedance Attenuation & Gain Setting Damping FactorLong Speaker Lines Cooling SystemMaintenance To rotate the horn moulding from ‘A’ mode to ‘B’ mode To rotate the horn moulding from ‘B’ mode to ‘A’ mode Removal of the high frequency driverRemoval of the high-mid frequency driver General Maintenance Removal of the low-mid frequency drive unitsPaintwork TA-890 Technical Specifications Warranty Serial NumbersTA-890