Radial Engineering JPC Quick Start Guide
R a d i a l S m a r t S h e e t
Order No. R800 1026
J P C™ L AP T O P S T E R E O D I
The Radial JPC is a stereo direct box that has been specifi cally designed for use with
computer sound cards and consumer electronic products. Flexible inputs, transformer
isolation, active drive circuits and heavy-duty construction make the JPC ideal to interface
consumer line-level signals to professional sound systems.
Connecting the JPC is easy. A full array of RCA, 3.5mm and 1/4” stereo connectors,
commonly found on CD players, VCRs and notebook computers, are provided. For more
connecting fl exibility, any of the JPC inputs can serve as thru-puts, providing a convenient
way to split the signal.
Hybrid design offers the best of both active and passive worlds. Dual passive transformers
at the input provide 100% isolation to eliminate buzz & hum caused by ground loops.
Following the transformers, the JPC uses an active drive circuit powered by 48V phantom.
The active drivers perform impedance conversion and signal balancing, allowing the JPC
to drive long cable runs. Finally, the JPC is packaged in an innovative and tough 14 gauge
steel welded I-beam enclosure that makes it impossible to torque the PC board. The JPC
offers a compact, rugged, easy-to-use, fl exible solution for interfacing audio/video
equipment on the stage or in the studio. And it sounds great too!
Features
• Convenient interface for computer sound cards
• Like a “Swiss Army knife” for A/V systems
• Phantom-powered, does not require batteries
• Transformer isolation eliminates ground loop hum
• Active drive circuit electronically balances signal
Applications
• Converts hi-Z consumer line-level to low-Z mic-level
• Computer sound cards to PA system
• Audio for off-line video post-production
• Interface CD and MP3 players with pro-audio systems
Cool Factors
• ‘Plug & play’ easy-to-use
• All inputs can be used as thru-puts
• Full stereo operation in a compact enclosure
• Interface ANY consumer audio device
• 3 year transferable warranty
-10 dB PAD reduces input level from
high output devices.
1/4” TRS -10dB stereo input can
connect to headphone jacks.
RCA -10dB stereo INPUT and
parallel THRU can be used with CD
players, tape decks, VCRs, etc.
GROUND LIFT (on side)
disconnects input ground from
output to stop hum and buzz.
3.5mm TRS -10dB stereo input can
connect to PC sound cards and
headphone jacks.
PWR LEDs indicates if 48V phantompower is present for each channel.
14 GAUGE STEEL outer shell
creates a protective zone around
connectors and switches.
XLR OUTPUTS are balanced 600Ω
mic-level to drive long cables run
through snakes & studio patch bays.
BOOK-END DESIGN creates a
protective zone around the switches
& connectors.
Mixing Console
Sound Card
Hi-Fi System
FULL BOTTOM PAD provides
electrical isolation and keeps the
JPC in one place.
RUGGED glass-fi lled nylon connectors are 100% isolated for
true dual-channel operation.
TRANSFORMERS on both inputs
provide 100% isolation to eliminate
hum and noise caused by ground
loops.
CD Player, VCR or
MP3 Player
R a d i a l E n g i n e e r i n g L t d . · T el: 604-942-1001 · Fax: 604-942-1010 · www. r ad i a l e n g . c o m · e m a i l i n f o @ r a d i a l e n g . c o m
R a d i a l S m a r t S h e e t © 2 0 0 6 S u b j e c t t o c h a n g e w i t h o u t n o t i c e .
MILITARY-GRADE PC board
employs full ground plane to
reduce RF interference and noise.
HIGH CYCLE switches are rated
for 20,000 operations.
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