![]() Frustration set in until Radial contacted me and work began on the PZ-Pre. Guitar virtuoso Dave Martone writes: “I always wanted to be able to turn these guitar sounds on and off with my feet, because my hands would always be doing something and could not get to the switches on the guitar fast enough. For this, the Radial PZ-Pre was born, allowing the different pickup’s tones to be adjusted and switched between without messing with the guitar’s knobs. Some electric guitars such as the Parker Fly Deluxe have stereo jacks to output both the magnetic and piezo pickups. The SGI changes the unbalanced guitar signal to a balanced line-level signal, altering the impedance for longer XLR cable runs guitarists are able to use their amps offstage or in an entirely separate room when trying to craft the perfect tone. To allow guitarists to drive their signal over 100 meters (300 feet), Radial created the SGI-TX/RX ™. Guitar ExtenderĪ common issue for playing on larger stages or in studios is the distance between a guitarist’s pedals and their amp. Guitar cables that are longer than eight or nine meters (25 or 30 feet) not only degrade the quality of the signal, but also become incredibly susceptible to noises like hiss and hum. The Radial SGI Studio Guitar Interface class-A line driver with load correction lets you send a guitar signal up to 100 meters via balanced cable without noise. The engineer can then mic the amp and mix the two signals together to get the best tone out of the PA system. There are additional outputs for attaching to onstage amps or speakers as well for guitarists who are more comfortable having volume with them on stage. The guitarist simply plugs in their guitar through their pedals, into the JDX Direct-Drive and out to the board with an XLR cable. Having spent years developing the JDX 48 and Headload, it only made sense that Radial would develop a solution for guitarists who didn’t want to use an amp at all hence, the JDX Direct-Drive ™ was born! The Direct-Drive lets guitarists choose between three different amp voicings: “Combo”, “Stack” and “JDX 4×12”, with further controls to adjust the brightness of the amp. Use the Direct-Drive at the output of your pedalboard to feed your amp and the PA at the same time The Headload is a combination load box and attenuator that is capable of handling up to 130 watts RMS of continuous power and peaks of 180 watts. The Headload also allows guitarists to play through their favorite sounding amp heads without even needing guitar cabs! Unfortunately, amps being pushed to their full volume is not as enjoyable for the audience. This is crucial, since most guitarists only like the sound of their amp when it is driven hard at high volumes. Most importantly, the Headload is a “load-box”, meaning that it can absorb the energy of the amp’s head and produce a lower volume through the amp’s speakers. ![]() It has the same features as the JDX 48, but allows the player to adjust the phase of their signal to be matched with a microphone and comes with equalization controls to further sculpt the sound of their direct signal. The Headload may be the ultimate tool for gigging electric guitarists. The engineering team at Radial simplified this set up with the creation of the Radial Headload ™. ![]() Live sound engineers found that combining the sound of the JDX 48 with a microphone on stage led to an incredible tone, but also required the use of a phase-alignment tool such as the Radial Phazer ™. The JDX 48 also allows for 100% consistent tone between shows which is impossible with the many variables related to microphones. The magic occurs as the JDX 48 is wired to capture both the signal coming from the guitar amplifier head and the back-electromotive impulse from the loudspeaker. This DI box, designed to be positioned between an amplifier’s head and speaker, allows for the direct amp sound to travel to the PA and monitors for a more realistic snapshot of the guitar tone. It would not be a lesson on electric guitars and DIs without mentioning Radial’s JDX 48. ![]() It is this combination that sounds realistic. Amp Direct The JDX is wired to capture both the signal coming from the guitar amplifier head and the back-electromotive impulse from the loudspeaker. The JDX48 is an amplifier DI box which connects between the amp head and a speaker cabinet, capturing the tone of your amp without the need for a microphone. ![]()
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