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User Manual for Radial Engineering J48 Stereo Phantom Powered Active Direct Box Click to enlarge the picture
Contents of the user manual for the Radial Engineering J48 Stereo Phantom Powered
- Product category: Direct Boxes Radial Engineering
- Brand: Radial Engineering
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Radial Engineering Direct Boxes
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User manual for the Radial Engineering J48 Stereo Phantom Powered contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Radial Engineering product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Radial Engineering user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Radial Engineering product will considerably shorten its lifespan!
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Product description Taking their popular J48 direct box and adapting it for stereo or dual mono sources, the J48 Stereo Phantom Powered Active Direct Box from Radial Engineering is constructed from rugged 14-gauge steel making it at home on the stage and in the studio. Its design allows for low distortion and a very neutral sound to retain the natural tone of your instrument. A -15 dB pad and selectable high-pass filter at 80 Hz allow you to work with higher-volume sources and eliminate lower-frequency rumble if desired.
The J48 Stereo requires 48V phantom power, and employs a switching power supply that uses the 48V to increase headroom and lower distortion. A polarity reverse switch enables you to correct any polarity issues, while the ground loop helps eliminate hum. - Ample headroom & dynamic range
- Retains instrument's natural sound
UPC: 676101043439 In the Box Radial Engineering J48 Stereo Phantom Powered Active Direct Box Limited 3-Year Warranty Table of Contents
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Technical parametersRadial Engineering R800 3002 Specs | | | Circuit Type | Proprietary analog circuit with low-noise op-amp | | Frequency Response | 20 Hz to 20 kHz | | Dynamic Range | 109 dB | | Noise Floor | -99 dB below 0 dBu | | Equivalent Input Noise | -103 dBu | | Maximum Input | +10 dBu | | Phase Deviation | +10º at 20 Hz
0º at 1 kHz
-1º at 20 kHz | | Total Harmonic Distortion | 0.002% @ -5 dBu | | Inter-Modulation Distortion | 0.003% @ -3 dBu | | Input Impedance | 1/4" Input: 220 kOhms | | Output Impedance | XLR Output: 600 ohms | | | | Input Connectors | 2x 1/4" (6.3 mm) Inputs | | Throughput | 2x 1/4" (6.3 mm) | | Input Pad Switch | -15 dB | | Polarity | 180º signal polarity reverse switch | | High Pass Filter | -3 dB @ 80 Hz | | Ground Lift | Disconnects pin-1 at XLR output | | Output | 2x XLR (Follows AES standard, pin-2 hot) | | | | Power | 48 V phantom - proprietary digital switching | | Construction | 14-gauge steel chassis and outer shell | | Finish | Durable powder coat | | Environmental Conditions | For use in dry locations only between 41 and 104°F (5 and 40°C) | | Dimensions (L x W x H) | 3.3 x 5.0 x 2.0" (84 x 127 x 48 mm) | | Weight | 1.55 lb (720 g) | | | | Package Weight | 1.8 lb | | Box Dimensions (LxWxH) | 6.3 x 4.2 x 3.0" |
Rating70% users recommend this product to others. And what about you?
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