Radial Engineering PZ-DI
Nov 16, 2012 1:00 AM, By Erin Shipps, senior associate editor
Orchestral acoustic direct box
This direct box is designed to work with all types of acoustic and orchestral instruments optimizing the input impedance to match the pickup or transducer. The design begins with a three-position impedance selector switch to match load with the pickup. This includes a 220k ohm setting to warm up magnetic pickups, a 1M ohm setting to replicate a classic DI box and a super-high 10M ohm setting to eliminate the squawk and peaks that are common with piezo transducers. To eliminate resonance and modulation between instruments, a variable lo-cut filter dials out unwanted low frequencies. This also helps improve clarity for a better mix. Should the PZ-DI be called upon to interface a high output active bass or digital keyboard, simply engage the -15dB pad. A hi-cut filter can also be engaged to gently smooth out the over aggressive top-end produced by many active instruments.
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