Radial JDI Duplex Stereo Direct Box - Secondhand

Full Description

Ready for everything

No humming. No buzzes. And no harmonic distortion. The JDI Duplex Stereo offers exceptional transparency and a wide bandwidth for a full range of sources. From smartphones and laptops, to instruments and CD players, the JDI promises outstanding signal handling with Jensen JT-DB-EPC audio transformers. Whatever your setup, you’ll get smooth, warm sound, reminiscent of the finest vintage gear. Thanks to a nickel core and MuMETAL shield, the JDI Stereo boasts a ruler flat frequency response of 10Hz – 40kHz with zero phase deviation. That means pure sound for your audio sources. Just connect via 1/4”, RCA, 3.5mm, TRS, or XLR. No power required.

Features

• 2-channel passive DI with enhanced connectivity for any application
• Exceptional audio performance from premium Jensen transformers
• Quickly sum stereo signals to mono with the Mono Sum switch
• Instantly reduce input sensitivity for high output signals with the -15dB pad
• Correct phase alignment on the fly with the 180-degree phase reverse switch
• Eliminate humming and buzzes from ground loops with the lift switch
• Pristine connection for laptops, tablets, and smartphones via 3.5mm input
• Perfect with consumer level and other hifi devices with RCA inputs
• Easily connect instrument or line level sources via ¼” input jack and thru
• Virtually noiseless connection up to 100 meters via 600-ohm balanced mic-level XLR output
• Connect to balanced line-level sources like mixing consoles with the +4dB XLR Input
• XLR In activates the +4dB line level balanced XLR input and disconnects the ¼” and RCA jacks
• Robust steel chassis protects against knocks and drops

Specifications

• Audio Circuit Type: Passive, transformer based
• Number of Channels: Dual channel (stereo)
• Frequency Response: 20Hz ~ 20KHz (± 2dB)
• Dynamic Range: 135dB
• Maximum Input: +20dB @ 1kHz
• THD: 0.001%; 1kHz/+4dBu; 600 Ohm load
• Phase Deviation: -1° @ 20Hz; 0.5° @ 150Hz; 600 Ohm load
• Input Impedance – Unbalanced: 140k Ohm PAD off; 10k Ohm PAD on
• Input Impedance – Balanced FXLR: 10k Ohm
• Output Impedance – Balanced MXLR: 600 Ohms
• Transformer: Jensen JT-DB-E, 12:1 ratio
• Shield: Dual Faraday, mu-metal can
• Input Pad: -15dB (¼" and RCA inputs only)
• Sum Mono: Resistive summing mixer
• Polarity Reverse: Toggles pins 2 and 3 at the XLR outputs
• Ground Lift: Disconnects pin-1 at XLR output
• XLR Input: +4dB balanced female XLR
• XLR Configuration: AES standard (pin-2 hot)
• Connectors: 1/4", RCA, 3.5mm TRS in, XLR-F in, XLR-M out
• Construction: 14-gauge steel chassis and outer shell
• Finish: Powder coated
• Size: 6.3” (W) x 1.9” (H) x 5” (D)
• Weight: 1kg