SKU: 93237638977

Redback A2246A

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Description

Redback A2246ADesigned to control 100V line speaker systems these attenuators are fitted to industry standard wall plates and install into an electrical wall box. They feature 11 position switches for fine adjustment of sound level. All circuitry is housed on a PCB with screw terminals for easy installation. They include override relay for emergency paging applications & a 22F bipolar capacitor for line monitoring purposes. An onboard switch selects between normal

Designed to control 100V line speaker systems these attenuators are fitted to industry standard wall plates and install into an electrical wall box.

They feature 11 position switches for fine adjustment of sound level.

All circuitry is housed on a PCB with screw terminals for easy installation.

They include override relay for emergency paging applications & a 22µF bipolar capacitor for line monitoring purposes.

An onboard switch selects between normal and failsafe modes.

With the switch in the Normal position energising the override relay (24V DC to the 24V DC terminal) bypasses the controller. 

Full input power is directed to the speaker load. 

De-energising the override relay configures the unit to normal level control function.

With the switch set to the Failsafe position energising the override relay is necessary for normal level control function.

De-energising the override relay bypasses the controller.  That is, full power is directed to the speaker load.



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SKU: 93237638977

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Bama Nana
Belleville, US
★★★★★ 5
Awesome Book for lovers of history and battles.
Format: Hardcover
This book is a great addition for a history lover or a military history lover. It would make a nice coffee table book too. Information is arranged in an easy to understand grouping throughout the book. Illustrations add to the book too. It is a heavy well made book.
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Reviewed in the United States on December 19, 2023
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DEG
Louisville, US
★★★★★ 5
Most comprehensive graphic portrayal of WW II Battlefield
Format: Hardcover
Likely the most comprehensive graphic portrayal of WW II and fairly priced. Excellent quality book.
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Reviewed in the United States on April 13, 2026
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Paxjuno
Whiting, US
★★★★★ 5
Maps
Format: Hardcover
A must have book, I cannot wait to read it cover to cover. From what I see,(just got it), some are photos of actual maps used. Great research book.
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Reviewed in the United States on March 30, 2026
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Kindle Customer 1
Pawtucket, US
★★★★★ 5
Great book on World War II
Format: Hardcover
A lot of information! If you are interested in World War II history this the book for you!
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Reviewed in the United States on April 9, 2026
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Josh
Dallas, US
★★★★★ 5
Very image detailed, thorough history of WW II told through maps
Format: Hardcover
World War II Map by Map (DK History Map by Map) is a visually striking and informative guide to the pivotal events of World War II. Through detailed maps, the book offers a unique perspective on the war’s key battles, strategies, and turning points, providing a clear and accessible way to understand the conflict’s complex geography. Accompanied by concise descriptions and timelines, this book serves as both an educational resource and a compelling visual history. It is ideal for readers seeking a deeper understanding of the war’s global impact without feeling overwhelmed by text-heavy narratives. A must-have for history enthusiasts and visual learners alike.
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Reviewed in the United States on December 4, 2024

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