Radial Engineering JDV Mk5 User Manual page 4

True to the Music
ReAR PAneL feATuRe seT
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15. PoWeR: Locking 4-pin XLR connection for the external power supply.
16. ouTPuT: Balanced XLR output connects to the PA or recording system. Transformer
isolated to eliminate hum & buzz caused by ground loops.
17. 180º PoLARiTY: Inverts the signal polarity by fl ipping pins-2 and pin-3 on the XLR
output. Used to reduce resonant peaks that cause feedback.
18. gRounD LifT: Disconnects pin-1 at the XLR out to reduce hum and buzz caused by
ground loops.
19. iso: Introduces an isolation transformer into the XLR signal path to help eliminate hum
and buzz caused by ground loops.
20. +20dB: Increased output to line level for direct recording.
21. TuneR ouT: Always-on, hi-Z output used to connect an electronic tuner.
22. JR•2: For optional JR•2 remote footswitch. When connected, this lets you select the
input channel or mute the JDV for silent tuning.
23. ThRu: Unbalanced ¼" thru-put used to feed the stage amp.
24. MiC in: Balanced ¼" TRS input for condensor or dynamic microphone.
25. inPuTs A & B: Unbalanced ¼" input jacks used to connect instruments to the JDV.
Radial Engineering Ltd.
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JDV™ Mk5 Active Direct Box
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