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Radial Engineering

1638 Kebet Way,  Port Coquitlam   BC   V3C 5W9      

Tel: 604-942-1001   Fax:  604-942-1010  

email: [email protected]

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Radial Engineering is a division of C•TEC (JP CableTek Electronics Ltd.)

J33 

Phono Preamp DI 

User Guide

Summary of Contents for J33

Page 1: ... 1638 Kebet Way Port Coquitlam BC V3C 5W9 Tel 604 942 1001 Fax 604 942 1010 email info radialeng com www radialeng com Radial Engineering is a division of C TEC JP CableTek Electronics Ltd J33 Phono Preamp DI User Guide ...

Page 2: ...o interface a conventional turntable with mag netic cartridge to a recording hi fi or PA system using the XLR microphone input on a mixer or preamp As with all Radial products every attempt has been made to make using the J33 plug play easy to use However please read this manual thoroughly to ensure the best possible results Should you have any questions on your new J33 please con sult the Radial w...

Page 3: ...tware less than ideal recordings can now be updated to approach today s signal to noise expectations For the recording studio the emergence of scratching in hip hop rap and pop music opens the door to better recordings and more creativity by allowing a turntable to connect through high end processing opening up opportunities for re recording and greater artistic freedom RIAA PREAMP The Radial J33 ...

Page 4: ...er This gently rolls off the bass at 200Hz and is 3dB at 100Hz to reduce the low frequency rumble and feedback that can often occur when spinning records in high volume environments such as on stage or in nightclubs To connect to professional balanced systems the Radial J33 is equipped with a pair of male XLR connectors The active bal anced drivers shown in the block diagram convert the signal to ...

Page 5: ... 3 5mm stereo output thru put Paralleled stereo output for direct connection to computer sound cards laptops or any device with a 3 5mm input 5 1 4 phono stereo output thru put Paralleled stereo output for direct connection to a local mixer recorder or any device with a 1 4 TRS input 6 RCA stereo output thru put Paralleled stereo outputs for direct connection to a local mixer recorder or any devic...

Page 6: ... and right XLR outputs Balanced and low impedance 600Ω microphone level output Connect to sound system inputs or main mixing console 10 15V DC power supply connection The 15VDC supply is connected here for powering the J33 There is no power switch and leaving the J33 on will not harm it Not used if J33 is powered through phantom power from a mixing console 11 Full bottom no slip pad This provides ...

Page 7: ...se will drive inputs found on hi fi equipment and the unbalanced line level inputs found on mixing consoles The balanced XLR outputs on the J33 s rear panel are mic level so that they will match up with other direct boxes and microphones thus enabling the J33 to be used along with microphones in snake systems mic splitters and through console mic preamps You can use any or all the output connectors...

Page 8: ... converts them to an electrical impulse This system evolved to where the quality was surprisingly high Part of the magic to the system s performance was the RIAA curve that enables the system to produce a musically balanced reproduction of the original recording Can I use an active phono cartridge with the J33 No The J33 is designed to use magnetic cartridges which make up 99 of all turntable cart...

Page 9: ...unt the J33 Yes The Radial J Rak will allow as many as 8 direct boxes to be rack mounted in two RUs Go to the Radial website for more details on the J Rak www radialeng com What should I do if the LEDs do not light up Check that the external power supply is connected or if con necting to a mixer through the J33 s XLR outputs make sure the phantom power has been turned on at the mixer Can I record ...

Page 10: ...0 005 1 KHz RIAA deviation 5dB maximum Max phono input level 50mV 1 KHz High pass filter 200Hz cut off 3dB at 100Hz Unbalanced outputs 10kOhm 10dB line level Balanced outputs 600 ohms 60dB mic level pin 2 hot Power auto switching 15v DC or 48v phantom Size W x D x H 3 25 x 5 x1 75 83x126x45mm Weight 1 5 lbs 7 kg Warranty 3 Years J33 BLOCK DIAGRAM ...

Page 11: ... be returned prepaid in the original shipping container or equivalent to Radial or to an authorized Radial repair center and you must assume the risk of loss or dam age A copy of the original invoice showing date of purchase and the dealer name must accompany any request for work to be performed under this limited warranty This limited warranty shall not apply if the product has been damaged due t...

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