Radial JDI Duplex Passive Stereo Direct Box

Special Price $349.00 Regular Price $375.00


Stereo direct box for high-output digital sources Jensen transformers for warm Bessel curve Virtually zero distortion from 10Hz to 80kHz Stereo-to-mono merge (Y-mix) on each channel Built tough to handle the extremes
Radial JDI Duplex Passive Stereo Direct Box The Radial JDI Duplex Mk4 is a full-featured passive DI designed to enhance connectivity for the touring professional and AV integrator. The Duplex comes equipped with 1/4" connectors for -10dB consumer electronics and XLR inputs for +4dB professional line sources. Each Duplex channel employs the same high-performance Jensen audio transformer as the industry standard Radial JDI direct box and has the same pristine audio signal path with virtually zero phase, harmonic and linear distortion. Natural transformer saturation and warm Bessel curve makes the Radial Duplex the perfect choice for rounding out highly dynamic instruments, like digital keyboards, that can sound harsh when driven hard. Transformer isolation also provides the benefit of eliminating troublesome ground loops that can cause hum and buzz and can interfere with video displays. Radial's innovative 'book-end'™ design provides protective zones that shield connectors and switches from the abuses of professional touring . A welded I-beam inner frame is designed to eliminate outside stresses that could torque the PC board and cause premature solder point and trace failure. A 14-gauge steel shell couples with the mu-metal transformer shield to eliminate stray magnetic field interference from power transformers and a full-bottom no-slip pad provides plenty of stay-put and helps reduce electrical coupling from amplifier chassis hardware. The Radial Duplex Mk4 is the worlds finest passive stereo direct box.
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UPC (Universal Product Code) 00676101034093
MPN (manufacturer part number) JDI DUPLEXMK4
Condition New
Features Features • Best sounding stereo DI in the world! • Linear response from 10Hz ~ 40kHz • Enhanced connectivity: 1⁄4”, RCA, and XLR inputs • Extraordinary level handling without distortion • Built to handle the rigors of live touring Applications • Digital piano, samplers and keyboards • Stereo bass guitar & synth setups • CD, DJ mixers and DVD players • High output balanced +4dB sources Cool Factors • ‘Plug & play’ easy-to-use! • Transformer isolation eliminates hum & buzz • Virtually impossible to overload • No battery or phantom power required • Makes just about anything sound better! • 3 year transferable warranty • 20 years on the transformers
Specs Circuit type: Passive transformer isolated Dynamic range: 135dB Signal to noise: 119dB Frequency range 10Hz to 40kHz Linearity: 0.1dB - 20Hz to 20kHz Phase coherence: 4º at 20Hz 0º at 1kHz Distorton: 0.006% @ 20kHz CMR rejection: 100dB @ 60Hz Input: 4 x ¼ jack (CH-1 & CH-2 In & Thru) 4 x RCA (CH-1 & CH-2 In & Thru) (mono-merge function for L & R) MERGE MIX function: Stereo to mono merge switch x 2 Input impedance: 140kHz PAD: -15dB pad on input x 2 HI-CUT filter: 10kHz low pass switch x 2 Output: 2 x balanced XLR-M Transformers: 2 x JENSEN JT-DB-EPC Ground lift: LIFT switch - XLR outs pin-1 Construction: 14 gauge steel chassis and outer shell, baked enamel finish Size (TX and RX): 6.25"w x 5.0"d x 1.875"h (159 x 127 x 48mm) Weight: 2.9 lb (1.32 kg)
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