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CCI Solutions > M-SM03 > Sound > Direct Boxes > Radial Direct Box

Radial Direct Box (Black)


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The Radial Engineering J33 is a combination phono preamplifier and purpose built stereo direct box made to handle the rigors of the professional recording studio and the abusive environment of live touring. Designed specifically for dynamic cartridges, the J33 begins with a low noise front end. Inputs are standard RCA with the required turntable ground lug. A second set of direct box XLR outputs deliver a mic level signal to feed a concert snake, mic splitter and mixing desk preamp inputs. A rumble filter is also available for high sound pressure environments to reduce bothersome resonant feedback. As with all Radial DIs, the J33 features a 14 gauge steel enclosure with a unique book-end design that creates a protective zone around the switches and connectors.


  • Combination RIAA Phono preamp and DI box
  • Stereo RCA, ¼" TRS, 3.5mm and XLR outputs
  • Built -in low frequency rumble filter
  • Choice of 48V phantom or DC supply
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