Skip Navigation Website Accessibility
 


Radial J33 Turntable Preamp and Direct Box

A DI box for your turntables

Combining a high quality active turntable preamp with a DI box, the J33 allows you to easily connect a record player to pro audio equipment such as mixing consoles and recording interfaces.

The DI and balanced XLR mic-level outputs simplify the process of sampling or archiving vinyl in the studio, letting you connect directly to a mic preamp. Meanwhile the J33's line-level outputs mean that it can also be used as a home turntable preamp, connecting seamlessly with consumer hi-fi equipment. The J33 can also be used in a live performance environment, offering an improved interface for DJs to connect to a PA system.

Other helpful features include a built-in rumble filter to cut disruptive low frequencies, and option to power the unit via either the included power supply or 48V phantom power.

Whatever part vinyl plays in your musical life, you'll find the J33 makes it easier to integrate your turntable with your other gear.

J33 Applications

Turntable to J33 to hifi system

Most new stereo systems are not equipped with a phono preamp input. The Radial J33 is a high performance phono preamp that delivers audiophile quality to your HiFi system by simply connecting the turntable to the RCA inputs and the receiver to the RCA outputs.

Turntable to J33 to mixing console and PA system

DJs rejoice! You can now connect your turntable directly to a mixing console using the J33. Take the balanced lo-Z outputs form the J33 and connect just like a microphone… only stereo. The DI box output from the J33 is perfectly suited for all PA systems.

Turntable to J33 to computer

Take the balanced outputs of the J33 to an audio interface connected to your laptop, allowing you to digitize your record collection or record high quality samples for creative applications.

Specifications 
Audio circuit type: Active circuit
Number of channels: Stereo
Frequency response: RIAA response curve for phonographic playback
Dynamic range: 91dB
Total harmonic distortion: 0.002% @ 1kHz (-33dBu input level)
Intermodulation Distortion: 0.025% @ -45dBu input
Input Impedance: 47k Ohms, unbalanced
Output Impedance: XLR out: 600 Ohms; ¼", 3.5mm, RCA outs: 470 Ohms
Equivalent Input Noise: -82dBu @ 0dBu output
Maximum Input: -30dBu @ 1kHz
Voltage Gain: +37.8dB
Features
HPF
Input Connectors: RCA
Output Connectors: RCA, 1/4", 3.5mm, XLR
Extras: Rumble Filter
General
Construction: 14-gauge steel chassis and outer shell
Size (L x W x D): 5" x 6.25" x 2" (127 x 159 x 51mm)
Weight: 2.80lbs (1.28 kg)
Power: +48V phantom or +15VDC/400mA external supply (included)
Conditions: For use in dry locations only between 5°C and 40°C
Warranty: Radial 3-year, transferable