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Radial J33 | RIAA Turntable Pre-amp and DI



You Pay:  $199.99
SKU:  RAD-ACC-J33
Condition:  New
Availability:  Ships in 6-10 days
Quantity:  

Product Description

RIAA Turntable Pre-amp and DI for Dynamic Phono Cartridges

The Radial J33 is a combination phono preamplifier and purpose built stereo direct box made to handle the rigors of the professional recording studio and the abusive environment of live touring. But don't let the tough exterior fool youÂ… the J33's sonic performance will easily surpass many audiophile preamps costing much more.
Designed specifically for dynamic cartridges, the 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 concert snake, mic splitter and mixing desk preamp inputs. A rumble filter is also available for high sound pressure environments to reduce bothersome resonant feedback.
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.
The Radial J33, a high performance turntable preamp that is ideally suited for music playback, archiving, DJing and sampling.

Key Features

  • 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

Technical Specifications

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
LED power LED: Two indicators illuminate when power is applied
Low-Cut filter: -3dB @ 100Hz (rumble filter)
XLR configuration: AES standard (pin-2 hot)
Construction: 14 gauge steel chassis and outer shell
Finish: Durable powder coat
Size: Size: 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

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