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.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 world’s finest passive stereo direct box.

Key features:

• 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

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