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Jensen Transformers Now Shipping Four New ISO-MAX Direct Boxes

Concert-1 and Concert-2 for instruments and the Media-1 and Media-2 for laptops and other consumer audio sources

By PSW Staff April 8, 2016

New Jensen Media and Concert ISO-MAX direct boxes.

Jensen Transformers is now shipping four new ISO-MAX direct boxes for live stage, house of worship and multi-media applications, including the Concert-1 and Concert-2 for instruments and the Media-1 and Media-2 for laptops and other consumer audio sources.

Concert-1 is a single-channel direct box with standard 1/4-inch input and throughput. Inside, a Jensen JT-DB-EPC transformer performs the balancing and lowers the impedance to ensure optimal signal transfer from the instrument to the PA’s mic input.

A 1/8-inch (3.5mm) TRS connector enables connection of a laptop computer, and the signal is summed to mono by dressing the selector switch. This also turns the input and thru into left and right 1/4-inch jacks for stereo to mono conversion when used with a keyboard.

Concert-2 is a stereo version that retains full stereo functionality at all times. The Jensen transformer is particularly important when used with high output instruments such as keyboards and active bass that can often overload active direct boxes.

Media-1 and Media-2 are also equipped with Jensen JT-DB-EPC transformers. They include a variable pad that enables the user to precisely adjust the input level to enable all types of media sources, such as laptops, tablets, video players and DJ mixers, to be connected using the 1/4-inch RCA or 3.5 mm inputs while allowing setting the signal level on the fly.

Media-1 is a single channel device that automatically mixes the stereo source to mono saving valuable channels in the PA system, while Media-2 retains full stereo functionality.

All of these direct boxes are housed in a rugged aluminum outer shell with a slide-in steel shell on which the circuit board, switches, connectors and all important transformers are mounted. The design creates protective areas at each end to keep the sensitive components out of harm’s way.

They’re made in the United States and offer exceptionally linear performance from 10 Hz to 40 kHz. Galvanic isolation, internal faraday shielding and a mu-metal exterior combine to provide a high degree noise rejection and immunity from buzz and hum caused by ground loops.

“For over 40 years, Jensen has gained the reputation for offering the very highest quality transformers, both in terms of low distortion and noise elimination,” states Dave Hill, general manager of Jensen. “And although Jensen transformer-equipped direct boxes are available from others, we felt that the time was right for us to expand our ISO-MAX range by offering some designs that follow both Deane Jensen’s and Bill Whitlock’s commitment to achieving the very highest standards. These four new products bring advanced connectivity and features to the market that we believe will make them unique.”

Pricing—Concert-1: $199.99; Concert-2: $299.99; Media-1: $219.99: Media-2: $319.99.  Jensen ISO-MAX products are guaranteed for three years, while the internal transformers are guaranteed for 20 years.

Jensen Transformers

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