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RDL Tech E-News November 2008 Volume 15

For non-html compatible email programs: http://www.rdlnet.com/newsletters/E-News_20081121.html


RDL Introduces Consumer Input Jack Decora® Wall Plates


The D-CIJ3 is the ideal choice in installations requiring the passive mixing of two unbalanced line level audio sources to feed a mono balanced (or unbalanced) audio line. The D-CIJ3D is designed for installations requiring stereo unbalanced line level audio sources to feed stereo balanced (or unbalanced) audio lines.


The front panel of both products feature two gold plated phono jacks and a single stereo mini jack, intended for mono or stereo consumer level sources. An input signal may be connected to either the phono jacks or to the mini jack. The D-CIJ3 combines the left and right signal inputs whereas the D-CIJ3D retains stereo separation through to the outputs. Both products feature audio transformers that are configured to balance the signals and to reject induced hum.


An output is provided on the rear panel detachable terminal block of both products for connection to a 10 kΩ or higher input impedance line level module or equipment input.


Both products are available in a stainless steel finish (DS-CIJ3 and DS-CIJ3D).



New Look for Product Categories Page


RDL is excited to introduce a new Product Categories web page. This page serves as a starting point to browse the entire RDL product line. The thumbnail images and category descriptions make finding products quick and easy. "Breadcrumb" links at the top of every category and product page have been added to provide easy navigation throughout the website.


The new product categories page can be accesses by clicking on the "Products" tab at the top of any page on the website.


Click here to go to the new product categories page.



RDL Introduces Stereo Headphone Amplifier in Decora Package


The D-SH1 Stereo Headphone Amplifier is an innovative new product from RDL. The D-SH1 is ideal for applications requiring headphones of any impedance to be driven from consumer or professional audio sources. The D‑SH1 is ideally suited to applications as diverse as language translation, museums, interview studios and music stores. The module mounts conveniently in a precut opening in a wood or metal enclosure or in various RDL Decora mounting accessories.


The D-SH1 is a dual channel headphone amplifier with balanced/unbalanced left and right inputs. Each input accepts operating levels between -20 dBV and +20 dBu. Two recessed slide switches located on the side of the rear enclosure are set prior to mounting the module. One switch is provided for setting the input sensitivity. The mode switch selects between stereo and mono operation. In the mono position, the left input is used to drive both output channels. When the module is used in a monaural system, only the left channel input must be wired. The front panel level control is a long life potentiometer controlling matched VCAs. Audio does not pass through this control, assuring years of noise free level adjustment. The output amplifiers deliver more than 50 mW into either high or low impedance headphones through a durable, metal Ľ" (6.3 mm) standard headphone jack. Module operation is from a 24 Vdc ground referenced power supply. It can also operate from a 12 Vdc supply with a 6 dB reduction in headroom and a maximum output power of 10 mW.


The D-SH1 is also available in a stainless steel finish (DS-SH1).


Radio Design Labs, Inc. 659 N. 6th Street, Prescott, Az. 86301
US Sales Offices: (800) 281-2683, (928) 443-9391, Fax: (800) 289-7338, (928) 443-9392
U.S. Technical Support: (800) 933-1780, (928) 778-3554 Fax: (928) 778-3506
RDL Europe BV, Gebouw Y-Tech, Van Diemenstraat 36, 1013 NH Amsterdam, The Netherlands
European Sales & Tech Support: (31) 20-6238 983 Fax: (31) 20-6225 287

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Copyright © 2008 Radio Design Labs, Inc. RDL, Radio Design Labs, the RDL logo, STICK-ON, RACK-UP and the Rack-Up logo are registered trademarks of Radio Design Labs, Inc. Flat-Pak, RCX, SourceFlex, SupplyFlex, Sure-Lok, TX, ULTRASTYLE, and Specialists in Practical Precision Engineering are trademarks of Radio Design Labs, Inc. All other trademarks are the property of their respective owners. Typical Performance reflects product at publication time exclusive of EMC data, if any, supplied with product. Date last modified: November 21 2008