True to the Music
Part 1 - Introduction
Congratulations on your purchase of the world's finest direct box! The
Radial JDI Mk3 is the latest version of the highly acclaimed JDI
and is without a doubt the finest passive direct box available
today. The JDI is very unique in that it does not color or alter
the sound in any way. This ensures the natural tone and
harmonic balance is retained, bringing out the very essence
of the instrument.
JDI
Mk3
The JDI Duplex is a two-channel (stereo) version of
the JDI with two totally independent and isolated PC
boards. This allows the Duplex to be used with two
sources without causing ground contamination or
crosstalk. For simplicity, this manual will discuss
the JDI. All features and functions on the Duplex are
identical to those of the JDI.
Both direct boxes employ the Jensen JT-DBE
transformer for unmatched audio performance,
exceptional noise rejection and high signal handling.
This makes them ideal for acoustic guitar, bass and
keyboards. In fact, just about any audio signal is
transformed gracefully without artifact.
We advise that you read through this manual before using
the JDI so that you can maximize it's potential. Please log
onto the Radial Engineering website at
www.radialeng.com
DUPLEX
for further details and updates. We invite you to forward any
comments, questions or suggestions to
info@radialeng.com
- we'd love to hear from you.
Enjoy!
1
Radial Engineering
JDI User Guide
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