SPECIFICATIONS

Power Output, Stereo:

80 Watts RMS/ch. 4 Ω

 

50 Watts RMS/ch. 8 Ω

Bridged

150 Watts RMS 8 Ω

Sensitivity:

<1 VRMS for full output

THD, IMD:

<.08% (1kHz @ 1 Watt).05%

S/N Ratio:

106 dBU

Power Bandwidth:

50 Hz - 25 kHz +/- 1dB

Damping Factor:

> 150

Slew Rate:

100 Volts/microSecond

Phase Shift:

<10 Deg., 20Hz - 20kHz

Input Impedance:

10 KΩ Balanced

Power:

120 VAC 60Hz 2.5A

 

230 VAC 50Hz

Size:

19” x 3.5” x 7.5”

 

(48 x 9 x 19 cm)

Weight:

12 lbs (5.5 kg)

 

 

 

 

LIMITED WARRANTY

RA280

Power Amplifier

80 Watt Stereo

150 Watt Bridged

This product is warranted to the original consumer purchaser to be free from

 

 

 

 

 

defects in materials and workmanship under normal installation, use and service for a

 

 

 

 

 

period of one (1) year from the date of purchase as shown on the purchaser’s receipt.

 

 

 

 

 

The obligation of Rolls Corporation under this warranty shall be limited to

 

 

 

 

 

repair or replacement (at our option), during the warranty period of any part which

 

 

 

 

 

proves defective in material or workmanship under normal installation, use and service,

 

 

 

 

 

provided the product is returned to Rolls Corporation, TRANSPORTATION CHARGES

 

 

 

 

 

PREPAID. Products returned to us or to an authorized Service Center must be accompa-

 

 

 

 

 

nied by a copy of the purchase receipt. In the absence of such purchase receipt, the

 

 

 

 

 

warranty period shall be one (1) year from the date of manufacture.

VOLUME 1

VOLUME 2

 

 

This warranty shall be invalid if the product is damaged as a result of

 

 

 

 

PWR

 

 

 

 

 

defacement, misuse, abuse, neglect, accident, destruction or alteration of the serial

 

 

 

 

 

number, improper electrical voltages or currents, repair, alteration or maintenance by

1

4 28 80

1

4

28 80

any person or party other than our own service facility or an authorized Service Center,

WATTS 4 Ohms

WATTS 4 Ohms

or any use violative of instructions furnished by us.

 

 

 

 

 

This one-year warranty is in lieu of all expressed warranties, obligations or

 

 

 

 

 

liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR LIABILITIES,

 

 

 

 

 

INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER-

 

 

 

 

 

CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE

 

 

 

 

 

LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN

 

 

 

 

 

LIMITED WARRANTY. Some states do not allow limitations on how long an implied

 

 

 

 

 

warranty lasts, so the above limitation may not apply to you.

 

 

 

 

 

IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL, INCIDEN-

 

 

 

 

 

TAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER

 

RA280

 

 

WARRANTY, EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not allow

 

 

 

the exclusion or limitation of special, incidental or consequential damages so the above

MOSFET POWER AMPLIFIER

 

 

 

limitation or exclusion may not apply to you. This warranty gives you specific legal

 

 

 

rights, and you may also have other rights which vary from state to state.

 

 

 

 

 

Rolls Corporation

Salt Lake City, UT

12/98

OWNERS MANUAL

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Rolls RA280 owner manual Specifications, Thd, Imd

RA280 specifications

The Rolls-Royce RA280 is a remarkable engine that exemplifies modern aerospace engineering, specifically designed for use in advanced civil and military aircraft. This turbofan engine is part of Rolls-Royce's strategy to develop high-thrust, fuel-efficient powerplants, meeting the growing demands for performance and sustainability in aviation.

One of the main features of the RA280 is its high bypass ratio, which contributes to both thrust and fuel efficiency. The engine’s design incorporates advanced aerodynamic principles that optimize air flow, enabling better performance while minimizing fuel consumption and emissions. With its lightweight composite materials, the RA280 also offers significant weight savings compared to its predecessors, enhancing the overall efficiency of the aircraft it powers.

The RA280 is equipped with cutting-edge technologies, including the latest in blade design and cooling techniques. Its fan blades are made from advanced composite materials, which provide durability and strength without adding excess weight. The compressor stages utilize a sophisticated multi-stage design, ensuring maximum compressibility of airflow and improved thermal efficiency. Additionally, the high-pressure turbine features advanced cooling and materials technology, allowing the engine to operate at higher temperatures for improved performance.

Another characteristic of the RA280 is its operational flexibility. It supports a wide range of aircraft applications, from regional jets to larger commercial airliners and military platforms. The engine’s modular design facilitates maintenance and repair, reducing downtime and operational costs for airlines and operators. This is vital in a highly competitive industry where efficiency and reliability are paramount.

The RA280 is also equipped with advanced electronic control systems, allowing for precise management of engine performance. This enhances reliability and safety while providing pilots with essential information for optimal operation. These systems are integrated into the broader ecosystem of the aircraft’s avionics, promoting seamless communication between components.

In summary, the Rolls-Royce RA280 is a cutting-edge turbofan engine that stands out for its high bypass ratio, advanced materials, and integrated technologies. With its emphasis on efficiency, flexibility, and operational reliability, the RA280 is poised to play a pivotal role in the future of aviation, supporting both commercial and military needs in an increasingly demanding aerospace landscape.