Radial J33 Phono Preamp & Direct Box (RIAA Equalized Turntable DI)

Up for sale is a professional-grade Radial Engineering J33 Phono Preamp & DI Box.

Designed specifically for interfacing vinyl turntables with professional live sound consoles, recording interfaces, and PA systems.

The Radial J33 features an audiophile-quality RIAA turntable preamp circuit combined with a active direct box. It provides simultaneous balanced mic-level XLR outputs (powered via 48V phantom power or 15VDC supply) as well as consumer Hi-Z outputs.

Key Features & Technical Specs:

Inputs: RCA Phono Inputs with dedicated turntable ground post

Preamp/EQ: Precision RIAA curve equalization

Balanced Outputs: Dual XLR mic-level outputs (600ohm)

Unbalanced / Auxiliary Outputs: RCA, 1/4" TRS, and 3.5mm stereo outputs (-10dB Hi-Z line level)

High-Pass Filter: Built-in low-cut rumble filter switch to eliminate low-frequency turntable feedback

Power Options: Runs on standard 48V phantom power via XLR or external 15VDC supply

Build Quality: Heavy-duty 14-gauge steel I-beam enclosure (Made in Canada)

Condition:

Pre-owned, fully functional unit. Displays minor cosmetic wear/scuffs on the chassis outer shell from normal rack/gig bag handling (refer to photos), but all connectors, switches, and LEDs are clean and operating as expected.

Includes:

Radial J33 Unit only (External power supply not included, unit powers directly via 48V phantom power on XLR lines).