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From Our Research Team:

Two Channels of Noise-free DI!

The Radial JDI is considered by many to be the world’s finest direct box. It is a passive DI that employs a Jensen isolation transformer for optimum audio performance offering outstanding linearity at all frequencies, combined with extraordinary level handling without introducing distortion. Now Radial makes their signature quality available in a 2-channel version!

Radial JDI Duplex 2-channel DI Box at a Glance:

• Two Independent Channels, Each with Jensen Transformer
  
• Completely Passive Design Eliminates Ground Loops
  
• Great for Guitars, Keyboards, and High-output Instruments

Two Independent Channels, Each with Jensen Transformer
The JDI Duplex features two independent JDI channels, each with its own Jensen transformer and circuitry. The 2-channel stereo format is particularly suited for stereo instruments such as keyboards, drum machines and consumer audio electronics Each channel features -15 dB pad, stereo to mono merge, 180-degree polarity reverse and ground lift.

Completely Passive Design Eliminates Ground Loops
Being completely passive, the plug & play JDI Duplex does not require any power source and has the unique advantage of eliminating 60-cycle ground loops. This makes the JDI Duplex a definite favorite with informed audio engineers.

Great for Guitars, Keyboards, and High-output Instruments
The JDI Duplex is great for guitars, bass, and keyboards and is particularly adept with high-output, broadband instruments such as active instruments and digital keyboards. The JDI Duplex may be rack-mounted using the J-Rak and is also available in a stereo (2-channel) version called the JDI Duplex and the 6-channel rack-mountable JD6.


Radial JDI Passive Direct Box Features:

• 2-channel DI with independent circuitry
  
• Jensen transformer equipped passive DI
  
• 100% isolation eliminates ground loops
  
• Virtually zero phase and harmonic distortion
  
• Exceptional signal handling
  
• High common mode noise rejection

The Radial JDI Duplex Is a Double Stack of DI!

Specification Detail Type Passive DI Channels 2 Inputs 2 x TRS in parallel, 4 x RCA, 2 x XLR Outputs 2 x TRS in parallel, 2 x XLR Height 2" Depth 5.5" Width 7" Weight 4.4 lbs. Notes TRS In and Thru can merge stereo inputs to one mono output Manufacturer Part Number R800 1020