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Radial Engineering Ltd.   

 

      JDI • Duplex User Guide

True to the Music

®

5

Keyboard and drum machine

Engaging  the  Mono  sUM  also  makes  it  possible  to 

connect a stereo device to one channel and have the 

Duplex  mix  it  down  and  deliver  a  mono  signal  to  the 

Pa system. Used this way you can connect one or two 

stereo  devices  in  mono.  The  balanced  XLR  outputs 

connect back to the Pa or recording system. 

PA SYSTEM

CHANNEL-2

MONO SAMPLER

STEREO SAMPLER

CHANNEL-1

MONO KEYS

STEREO KEYS

connecting consumer audio devices

Today,  laptop  computers  and  tablets  have  become 

part of most audio shows and DJ setups. The Duplex 

is  equipped  with  a  variety  of  connectors  to  meet  the 

challenge.  This  includes  left  and  right  RCa  input 

connectors and a 3.5mm TRs connector to match up 

with the headphone output commonly found on laptops, 

smart phones and tablets.

using the 3.5mm mini jack

To  use  a  music  player  or  laptop  using  it's  3.5mm 

headphone  output,  connect  the  device  to  the  stereo 

3.5mm  mini  jack  input.  as  described  earlier,  the 

balanced  XLR  outputs  connect  back  to  your  Pa  or 

recording system. 

3.5mm MINI 

HEADPHONE OUT

PA SYSTEM

CHANNEL-2

RIGHT

CHANNEL-1

LEFT

Summary of Contents for JDI Duplex

Page 1: ...www radialeng com True to the Music Radial Engineering Ltd 1588 Kebet Way Port Coquitlam BC V3C 5M5 Tel 604 942 1001 Fax 604 942 1010 email info radialeng com...

Page 2: ...rs of dependable use This latest version also adds a rack mount option that enables one or two Duplexes to be mounted in a single rack space As with all Radial products a lot of effort has gone into p...

Page 3: ...ng a concert AV show or recording session 1 Passive DI basics A direct box has the primary role of converting an unbalanced high impedance signal to a balanced low impedance signal Unbalanced signals...

Page 4: ...ne 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...

Page 5: ...ter understanding of your Duplex see the Features and Functions section for information about using the mono sum polarity and line level inputs QuicK start The Radial Duplex is a passive direct box an...

Page 6: ...FT KEYS RIGHT CHANNEL 1 KEYS LEFT MONO CHANNEL 1 KEYS RIGHT two stereo keyboards You can retain full stereo operation with two keyboards by connecting the keyboard s left and right outputs as shown an...

Page 7: ...S connecting consumer audio devices Today laptop computers and tablets have become part of most audio shows and DJ setups The Duplex is equipped with a variety of connectors to meet the challenge This...

Page 8: ...ard positions Use good quality cables to connect to the channel 1 and channel 2 RCa In jacks The RCa THRU jack can be used to pass the stereo signal on to another audio system CHANNEL 1 LEFT CHANNEL 2...

Page 9: ...onally you may be confronted with a super powerful source that could overload and saturate the transformers inside the Duplex This could for instance be the output signal from a DJ mixer If this scena...

Page 10: ...x Part R800 9422 00 One of the innovations on the new Duplex is the ability to have it rack mounted by adding the optional rack mount kit This kit enables one or two Duplex units to be rack mounted in...

Page 11: ...ced 140k Ohm PAD off 10k Ohm PAD on Input impedance balanced FXLR 10k Ohm Output impedance balanced MXLR 600 Ohms Transformer Jensen JT DB E 12 1 ratio Shield Dual Faraday mu metal can Input pad 15dB...

Page 12: ...chase and the dealer name must accompany any request for work to be performed under this limited and transferable warranty This warranty shall not apply if the product has been damaged due to abuse mi...

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