LIMITED WARRANTY

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 PRE- PAID. Products returned to us or to an authorized Service Center must be accompanied 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.

This warranty shall be invalid if the product is damaged as a result of deface- ment, misuse, abuse, neglect, accident, destruction or alteration of the serial number, improper electrical voltages or currents, repair, alteration or maintenance by any person or party other than our own service facility or an authorized Service Center, 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, IN-

CLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANT- ABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN LIMITED WAR- RANTY. 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 WARRANTY, EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not allow the exclusion or limitation of special, incidental or consequential damages so the above 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.

PB223 Mic Power II

Dual 48 Volt Phantom Power Supply

- Power condenser microphones requiring phantom

power

-Operates on the included Rolls PS27 12VDC adapter

-High frequency switching power supply to

eliminate noise

The PB223 is for powering two phantom powered microphones. The unit uses a 100kHz switching power supply to eliminate noise generated by common power supplies. The unit has pull-down resistors so it will work with any mixer.

Rolls Corporation

Salt Lake City, UT

10/04

PB223

MIC POWER II

Dual 48 Volt Phantom

Power Supply

User Guide

Page 1
Image 1
Rolls PB223 warranty

PB223 specifications

The Rolls PB223 is a state-of-the-art aircraft engine that represents the forefront of aerospace engineering and innovation. Developed by Rolls-Royce, a company renowned for its commitment to quality and advanced technology, the PB223 is designed primarily for regional and business aviation. Its introduction marks a significant step towards more efficient and environmentally friendly aviation solutions.

One of the main features of the PB223 is its high bypass ratio turbofan design, which significantly enhances fuel efficiency compared to traditional engines. This design enables the engine to deliver superior thrust while consuming less fuel, making it an economical choice for operators concerned about operating costs. The PB223 boasts a bypass ratio of 8:1, which contributes to quieter operations and reduced environmental impact.

The engine incorporates advanced materials and cutting-edge manufacturing technologies. The use of lightweight composites and titanium alloys not only reduces the overall weight of the engine but also improves its durability and performance. These materials are designed to withstand high-temperature operations, ensuring optimal performance throughout the engine’s life cycle.

In terms of performance characteristics, the PB223 delivers a thrust range of 5,000 to 6,000 pounds, making it suitable for a wide variety of regional aircraft models. The engine is optimized for short to medium-haul flights, offering operators the flexibility needed to serve various routes efficiently. Furthermore, the PB223's impressive acceleration capabilities enable it to deliver strong takeoff performance, ensuring that aircraft equipped with this engine can handle short runways effectively.

The PB223 is also equipped with advanced avionics and digital control systems that enhance operational reliability. These systems offer real-time monitoring and diagnostics, allowing maintenance teams to proactively address any issues before they affect performance. The integration of predictive maintenance technologies helps ensure that the engine operates at peak efficiency throughout its service life.

In summary, the Rolls PB223 is a cutting-edge engine that combines advanced technology, high performance, and environmental efficiency. With its high bypass ratio, innovative materials, and sophisticated control systems, it not only meets the demands of modern aviation but also sets the standard for the future of regional and business aircraft propulsion. As the aerospace industry continues to evolve, the PB223 stands as a testament to Rolls-Royce’s dedication to innovation and excellence.