J33

RAD-J33

$415.00

$415.00

Active combination stereo RIAA turntable pre-amp and direct box. Inc PSU

1 in stock

J33 turntable direct box with active preamp is for the discerning turntablist – be it for sampling, live performance, or simply sitting down to listen to some tunes on a Sunday afternoon.

Designed specifically for dynamic cartridges, J33 begins with a low noise front end. Inputs are standard RCA with the required turntable ground lug. A precise RIAA low pass filter is tailored to produce a smooth, warm response. The signal is then buffered to provide the audio system with a standard -10dB signal with choice of RCA connectors for compatibility with home HiFi entertainment systems, 3.5mm (1/8″) output to feed a laptop or iPod, or a stereo TRS ¼” jack for an audio recorder.

A second set of direct box XLR outputs deliver a mic level signal to feed a multicore, mic splitter and mixing desk preamp inputs. A rumble filter is also available for high sound pressure environments to reduce bothersome resonant feedback.

  • 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

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. The internal I-Beam construction ensures maximum rigidity while ensuring minimal stress on the sensitive solder joints. These combine to provide exceptional shielding against noise while ensuring greater dependability in the most demanding environments.

Audio circuit type: Active circuit
Frequency response: RIAA response curve for phonographic playback
Signal to noise ratio: -82dB below 0dBu Output
Dynamic range: 91 dB
Equivalent input noise: -82 dBu @ 0 dBu output
Maximum input: -30 dBu @ 1kHz
Nominal Input: -50 ~ -40 dBu @ 1kHz
Total harmonic distortion: 0.002% @ 1kHz (-33 dBu input level)
Inter-modulation distortion: 0.025% @ -45 dBu input
Input impedance: 47k Ohms, unbalanced
Voltage gain: +37.8dB
Output impedance: XLR out: 600 Ohms; ¼”, 3.5mm, RCA outs: 470 Ohms
Features
LED power LED: Two indicators illuminate when power is applied
Low-Cut filter: -3dB @ 100Hz (rumble filter)
XLR configuration: AES standard (pin-2 hot)
General
Construction: 14 gauge steel chassis and outer shell
Finish: Durable powder coat
Size: Size: 127 x 159 x 51mm
Weight: 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

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