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Radial Engineering J33 Active Combination Stereo RIAA Turntable Pre-Amp and Direct Box

Radial Engineering J33 Active Combination Stereo RIAA Turntable Pre-Amp and Direct Box

The J33 Phono DI follows the Radial tradition of combining stellar audio performance with a flexible feature set and rugged enclosure. Look inside a J33 and you will find the build quality and components to be of only the highest professional standards. Radial's proven construction methods and materials ensure years of trouble-free service.

FEATURES:Inside the J33:
  • 14-gauge steel welded I-beam construction makes it virtually impossible to torque the PC board.
  • Isolated XLR connectors to eliminate chassis ground potential.
  • Mil spec PC board with full surface ground plane to reduce susceptibility to RF noise.
  • High grade switches - long life, high cycle for reliable performance.
  • Gold-plated RCA and high grade 1/4and 1/8connectors offer a variety of input options.
J33 Input and Output Panels:
  • GROUND - Turntable ground lug to reduce noise and buzz. Knurled knob provides an easy-to-use and reliable solid bond.
  • Filter - low frequency rumble filter to reduce resonant feedback at high sound pressure levels. Works from 100Hz and rolls off to -15dB at 80Hz.
  • POWER - LEDS light individually when J33 is deriving power from XLR phantom-power or both at once when powered from external power supply.
  • 1/4TRS and 3.5mm stereo output connectors:-10dB high-impedance line-level for hookup to computer sound cards and laptops.
  • OUTPUT left &right RCA connectors: -10dB high-impedance for consumer audio devices such as hi-fi receiver AUX or CD input.
  • PHONO input from turntable - RIAA equalized. Use in conjunction with turnable ground lug connection.
  • Bookend design creates a protected zone around connectors and makes the J33 practical for high-use environments such as pro touring.
  • No-slip rubberized pad provides mechanical and electrical isolation, keeps the J33 from sliding around.
  • RIGHT OUT &LEFT OUT 600-Ohm mic-level balanced XLR outputs- AES standard with Pin-1 ground and Pin-2 hot.
  • 15VDC Input jack for use with the J33's external power supply. Phantom-powering is also available through mic XLR.