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Pro48
™
Active Direct Box
Radial Engineering Ltd.
1845 Kingsway Ave., Port Coquitlam, BC V3C 1S9, Canada
Tel: 604-942-1001 • Fax: 604-942-1010
email: info@radialeng.com
Radial Pro48 user guide - Part #: R870 1135 00 - v2.2 / 09-2021
Specifi cations and appearance subject to change without notice.
Copyright © 2009 Radial Engineering Ltd.
®
User Guide
True to the Music
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Table of Contents
Related Manuals for Radial Engineering Pro48
Summary of Contents for Radial Engineering Pro48
- Page 1 1845 Kingsway Ave., Port Coquitlam, BC V3C 1S9, Canada Tel: 604-942-1001 • Fax: 604-942-1010 email: info@radialeng.com Radial Pro48 user guide - Part #: R870 1135 00 - v2.2 / 09-2021 Specifi cations and appearance subject to change without notice. Copyright © 2009 Radial Engineering Ltd.
- Page 2 CONGRATULATIONS on your purchase of the Radial Pro48 active direct box. As with all Radial products the Pro48 is easy to use. This short manual contains all the information you need to start using the Pro48 right away. For more information on the Pro48 and other Radial products, visit our website at www.radialeng.com.
- Page 3 SWITCHING POWER SUPPLY - steps up the current from phantom power to produce 9 volt internal rails. With more voltage to work with than typical active DI’s, the Pro48 exhibits more headroom and dynamic range while lowering noise. MILITARY-GRADE - double-sided PCB is bolted to steel standoff...
- Page 4 Once your cables are connected, turn on the phantom power source. The LED on the Pro48 will light to confi rm phantom power is present and the Pro48 is active. Start at a low volume to make sure everything is working properly be- fore increasing the level.
- Page 5 Passive boxes have the advantage of providing isolation over typical DI’s, which can reduce ground hum and noise in systems. The Pro48 features an isolation transformer in the power supply to address this problem.
- Page 6 RADIAL LIMITED THREE YEAR TRANSFERABLE WARRANTY RADIAL ENGINEERING LTD. (“Radial”) warrants this product to be free from defects in material and workmanship and will remedy any such defects free of charge according to the terms of this warranty. Radial will repair or replace (at its option) any defective component(s) of this product (excluding fi...
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