Welded steel standoffs ensure the PC board will not shift. A military-grade PC board is employed for maximum wear and tear in abusive environments.Jensen transformer for distortion-free performance.An innovative 'slide-in-place' XLR trace makes it possible to use I-Beam girder construction.This virtually eliminates cold solder joints - the No.1 cause of system failure in the field. Welded I-beam construction makes it impossible to torque the PC board.The protective pad also ads an element of electrical shock resistance by providing a mechanical shield from guitar amp handles that are often directly coupled to the amp chassis. Stress on the printed circuit board can introduce intermittent solder joints, which by all accounts is the primary cause of direct box failure.Īn innovative full-bottom no-slip rubberized pad works double duty by assuring the J48 won't slip and slide around when placed on an amplifier. The inner skeletal frame features a unique 14-gauge welded I-beam construction that makes it impossible to torque the PC board. An innovative book-end design provides a protective zone around the switches and connectors that makes it practically impossible to damage these components. This unique function incorporates a speaker emulation filter circuit that rolls off highs and lows to more closely approximate the sound of a 12" driver.Īs with all Radial direct box, the Radial JDI is designed for use in abusive environments such as on fast-paced stages of concert touring. This, for instance, allows the engineer to 'tap' the sound coming from a guitar amplifier speaker 'post distortion' thus adding another creative dimension. The ground lift switch disconnects the XLR pin-1 ground from the JDI for 100% input-to-output isolation.įinally, a second -30dB pad may be engaged that, when used in tandem with the -15dB input pad, allows the JDI to be connected in parallel with a speaker. A polarity reverse switch toggles pin-2 and pin-3 to allow the JDI to interface with older non-AES equipment and for creative tinkering. The JDI's output panel features balanced 600-ohm XLR connector with pin-2 hot following the AES specification. The JDI also sports a -15dB pad to interface with higher output levels. This is often used to interface stereo sources such as keyboards or CD players in live shows where audio channels may be not always be plentiful. An innovative 'merge' function allows the thru-put to be converted to a second input to allow stereo to mono summing. The input panel features a 1/4" instrument input and traditional thru-put. This transformer delivers optimum audio performance offering outstanding linearity at all frequencies, combined with extraordinary level handling without introducing distortion. The JDI's Jensen transformer is the product of decades of experience in transformer production. Jensen transformer for optimum performance Sounds great ~ Versatile, for any instrument JDI Radial engineering passive, transformer isolated direct box Passive Mono Direct Box with Jensen Transformer and Rugged I-beam Construction Radial JDI Jensen-equipped 1-channel Passive Instrument Direct Box The best passive direct box made! Everything included. ~Mint-In-Box!! ~Check Feedback & BUY WITH CONFIDENCE!!
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