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Features & FunctiOns
1. sUM Mono: Converts the channel In and THRU jacks
into left and right inputs and passively mixes them to mono.
2. -15dB PaD: Reduces the input sensitivity by -15dB to
prevent distortion.
3. 180° PoL: Inverts signal polarity at the XLR output by
toggling pins two and three.
4. gRoUnD LIFT: Disconnects pin-1 at the XLR output to
reduce noise caused by ground loops.
5. XLR sEL: activates the +4dB XLR line input and
disconnects the ¼", RCa and 3.5mm input jacks.
6. RCa In: stereo input for line-level sources like CD players.
7. 3.5mm In: For line-level sources like laptop computers.
8. BooK-EnD DEsIgn: Creates a protective zone around
the jacks and switches.
9. FULL BoTToM PaD: Provides electrical insulation and
mechanical isolation.
10. XLR oUTPUT: 600 ohm balanced mic-level output for
runs to 300m (1000') without noise.
11. +4dB XLR InPUT: For balanced line-level sources like
mixing consoles and pro VTRs.
12. ¼" PHonE In: For instruments and line-level sources
like keyboards and drum machines.
13. ¼" THRU: Through-put connects to on stage amplifier or
personal monitoring system.
14. I-BEaM REInFoRCED: 14-guage steel enclosure with
rigid i-beam construction makes it impossible to torque
the PC board and eliminates cold solder joints.
15. PoWDER-CoaTED: Durable and environmentally
friendly powder-coated finish for years of use.
Radial Engineering Ltd.
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True to the Music
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JDI • Duplex User Guide
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