All amplifier outputs are equipped with ON/OFF toggle switches. Its important to note that even through a grounded amp must be connected to output-1 at all times it does not have to be active. If you plan on connecting vintage amplifiers to outputs 2 thru 6 ensure that they have been modified to bring the power cord and grounding up to modern electrical safety codes by a qualified technician. To ensure a solid ground only connect modern amplifiers that display UL and CSA certification labels and use a grounded three prong power plug. This means the amp your choose to connect to output-1 must have a good connection to ground. The JD7 provides this through the direct output-1 and the amp connected to it. The reason is for any electronic system to work safely it needs a path to ground. Channel-1 is designated as a 'DIRECT' output and should always be connected to a grounded amplifier, even if not used. There are six outputs on the front panel. If the LED illuminates while playing reducing the input level going into the JD7 The PAD can be used to bring active and passive guitar closer to the same input level.Īll inputs, including the balanced XLR Reamping input, are monitored for overload by the clip LED. Active pickups tend to output a hotter signal compared to passive pickups. This can be helpful to match the input level between two guitars. Input-2 is equipped with a PAD that can be switched in for 8dB of level reduction. As you move the control clockwise, it will sound brighter. Start by setting the Drag Control to 12 o'clock. The adjustable circuit lets you reintroduce the load on the pickup so that it sounds as if connected directly to a tube guitar amp. The Radial JD7 is equipped with Drag Control load correction. If not, it will select the balanced XLR input on the rear panel for Reamping through the JD7. Depressing the SELECT switch will engage the input-2 if a guitar is connected. There are two inputs on the front panel designated as 1 and 2. As soon as you connect it, the JD7 will turn on. The JD7 comes with an external power supply. This will ensure turn-on transients do not harm sensitive electronics or speakers. Full Reamping capabilities means you can then run a dry track into the JD7 to feed the amps and effects and adjust the tone as needed.Īs with all electronic audio products, always ensure levels are turned down or equipment is turned off before making connections. It allows you to drive as many as six amplifiers a tuner two effects loops and feed a recording system via the built-in direct box at the same time. The more appropriate name is a high-impedance unity-gain guitar signal distribution amplifier. This quick start is designed to give the experienced professional player and guitar tech an overview on how to use the Radial JD7. And Reamping works equally well on bass, voice and other instruments.ĭesigned to spur on creativity, the JD7 is plug & play easy to use, super quiet, and amazingly natural sounding… a guitarist's dream come true and a producer's very best friend. This enables you to move mics around the room, change amps or add effects to optimize the sound of the recording. The JD7 is fully equipped for Reamping: a built-in Radial direct box lets you record a dry track while a separate Reamp input is ready for re-recording dry tracks when needed. 180º polarity reverse ensures all amps play in phase while channels 5 and 6 are equipped with effects loops for greater setup flexibility. Transformer isolation along with individual ground lifts help eliminate hum and buzz caused by ground loops for cleaner, quieter guitar tracks. The hi-Z outputs are equipped with high-performance Jensen Transformers for optimal signal transfer. To ensure maximum signal fidelity, Drag Control load correction lets you replicate the load on the guitar pickup as if connected to a tube amplifier for the most natural tone. It features A or B selectable inputs with Radial's award winning class-A buffering circuit for ultra low distortion. The Radial JD7 Injector is a guitar signal splitter that is able to drive as many as seven amplifiers at the same time and do so without the noise that often plagues most systems.
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