J33 Specifications

The Radial J33 is a combination stereo phono preamp and direct box designed for dynamic cartridges. Careful attention has been paid to delivering a smooth sounding RIAA transfer curve while keeping noise down to the absolute minimum for the noise-prone world of 33 RPM long-play records. Both unbalanced consumer line level and balanced mic level outputs are supported.

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; RCA outs: 470 Ohms
Equivalent Input Noise: -82dBu @ 0dBu output
Maximum Input: -30dBu @ 1kHz
Voltage Gain: +37.8dB
Input Connectors: RCA
Output Connectors: RCA, XLR
Extras: Rumble Filter
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

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J33 Resources

Part no: R800 1300 00