Download Print this page

Radial Engineering J33 User Manual

Phono preamp di
Hide thumbs Also See for J33:

Advertisement

Quick Links

®
J33
Phono Preamp DI
User Guide
Radial Engineering Ltd.
1845 Kingsway Ave., Port Coquitlam, BC V3C 0H3, Canada
Tel: 604-942-1001 ● Fax: 604-942-1010
email: info@radialeng.com

Advertisement

loading

Summary of Contents for Radial Engineering J33

  • Page 1 ® ™ Phono Preamp DI User Guide Radial Engineering Ltd. 1845 Kingsway Ave., Port Coquitlam, BC V3C 0H3, Canada Tel: 604-942-1001 ● Fax: 604-942-1010 email: info@radialeng.com...
  • Page 3: Table Of Contents

    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 consult the Radial website FAQ section as this is where we publish answers from users after a product has been released.
  • Page 4: Introduction

    The Radial J33 provides a solution with a simple device that is ‘plug & play’ easy-to-use and built to Radial’s professional standards for sound quality and durability.
  • Page 5 1954. This is the RIAA EQ curve that the J33 applies to the turntable signal. The exact opposite curve was encoded into the signal when the vinyl LP was pressed.
  • Page 6: Input Panel

    -10dB (consumer level) stereo outputs for direct connection to a hi-fi receiver AUX or CD input or any device with an RCA input. 5. RCA phono (turntable) input jacks RIAA equalized stereo input for turntable signals. Use in conjunction with the ground lug. Radial Engineering Ltd. User Guide ™...
  • Page 7: Output Panel

    8. 15VDC power supply connection The 15VDC power supply is connected here for powering the J33. There is no power switch and leaving the J33 on will not harm it. This jack is not used if the J33 is powered with phantom power from a mixing console.
  • Page 8: Making Connections

    J33. The J33 may be powered in two ways. The first is with 48V phantom power from a mixing console. The second is with the J33’s external 15VDC supply.
  • Page 9 It should be firmly held by the J33’s ground lug. If you are driving your system at high volume levels and begin to hear low frequency resonance, try depressing the rumble filter.
  • Page 10: Faq

    Can I connect other devices such as keyboards or computer sound cards to the J33's input? No. The J33’s input is pre-equalized with the RIAA curve. This curve is designed for LP records and would make any other source sound bad, plus these line-level devices would overload the J33’s sensitive input...
  • Page 11: Specifications

    ® True to the Music J33 BLOCK DIAGRAM J33 Specifications Frequency response 20Hz ~ 20KHz ±3dB Total harmonic distortion 0.005 % @ 1KHz RIAA curve +19.5dB @ 20Hz -19.65dB @ 20kHz Reference: 0dB @ 1kHz RIAA deviation +/- 0.5dB maximum Max.
  • Page 12 ® 1845 Kingsway Ave., Port Coquitlam, BC V3C 0H3, Canada Tel: 604-942-1001 Fax: 604-942-1010 www.radialeng.com Radial J33 User Guide Part #: R870 1090 00 / 01-2023 Specifications and appearance subject to change without notice. Copyright © 2016, All rights reserved.