Radial JDI Duplex Passive Stereo Direct Box

The JDI Duplex is a high performance 2-channel passive direct box designed for enhanced connectivity for any application, with numerous input connector types and premium Jensen transformers for exceptional audio performance.

Features:

• Jensen transformer equipped passive DI
• Eliminates hum and buzz from ground loops
• 1/4″, 3.5mm, RCA, and XLR inputs to connect to any source
• Exceptional signal handling and noise rejection
• Turns the input & thru jacks into a passive mixer to sum stereo signals to mono
• Reduces the input sensitivity to allow high output signals from keyboards to be connected without distortion
• Mini TRS provides easy interface for laptops, tablets, smart phones and iPods
• Stereo inputs for -10dB consumer level devices such as CD players and other hifi devices
• Reverses pin-2 and pin-3 on the XLR output to help phase align the stage sound with the PA system
• Lifts the audio ground (pin-1 on the XLR output) to help reduce hum and buzz caused by ground loops
• Activates the +4dB line level balanced XLR input and disconnects the ¼" & RCA jacks

Specifications:

• Audio circuit type: Passive, transformer based
• Transformer: Jensen JT-DBE
• Number of channels: 2
• Frequency response: 20Hz ~ 20kHz at +/- 0.2dB
• Dynamic range: 135dB
• Total harmonic distortion: 0.001%; 1kHz/+4dBu; 600 Ohm load
• Phase Deviation: -1° @ 20Hz; 0.5° @ 150Hz; 600 Ohm load
• Input Impedance: 140k Ohm PAD off; 10k Ohm PAD on
• Output Impedance: 600 Ohms
• Maximum Input: +20dB @ 1kHz
• Construction: 14 gauge steel chassis & outer shell
• Size (L x W x D): 160mm x 48 x 127mm (6.3" x 1.9" x 5")
• Weight: 1kg (2.2lbs)
• Shipping size (L x W x D): 210 x 159 x 83mm (8.25" x 6.25" x 3.25")
• Shipping weight: 1.43 kg (3.15 lbs)
• Power: Passive, no power required
• Conditions: For use in dry locations only between 5°C and 40°C