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ARREL Audio 

 

CL-266 User Manual, Issue 0.1

 

Page 5 

 

INTRODUCTION 

The 

ARREL Audio CL-266

 is a 16-channel summing mixer conceived to comply with the 

new demands from the digital recording technology. When used as a summing mixer, the 

CL-266

  offers  a  series  of  distinctive  features  not  available  in  any  other  device  on  the 

market.  The  signal  level  is  controlled  by  a  300°  potentiometer  allowing  a  14  dB  range  (-
12dB  to  +2dB)  that  permits  a  very  easy  level  set  up.  It  allows  an  easy  and  precise  level 
recall  even  without  the  need  for  stepped  level  controls  which  are  more  popular  but  less 
functional. 

Each channel can be accessed by two different input connectors (DB25 and XLR) allowing 
hassle-free  connections  to  professional  DAW  via  a  standard  8  channel  multicore  cable 
(DB25 to DB25) as well as single-channel external device insertion via  XLR cables. 

Following  the  summing  stage,  is  an  insert  point  for  connecting  external  units  such  as 
equalizers  and  compressors  that  can  be  bypassed  with  a  front  panel  button.  This  insert 
connection, electronically balanced for both send and return, can be accessed either from 
the  DB25  and  XLR  rear  connectors  or  via  front  panel  jacks.  This  feature  is  particularly 
useful when a main external unit (connected via the rear panel) needs to be momentarily 
replaced by another device. 

The use of the send/return front panel jacks automatically disables the corresponding rear 
panel  connected  device.  The  send  signal  on  the  front  panel  jacks  is  always  present 
allowing the set-up of the levels for the outboard connected by the front panel jacks. The 
connection  of  the  return  cable  will  exclude  the  main  outboard  connected  to  the  DB25 
connector on the  back  panel. Therefore a  unit  can  be  connected  to  the front  panel  jacks 
maintaining the main insert on the back panel. 

Master levels are set with two separate (Left and Right) ± 6dB potentiometers. Due to the 
fact that Solo and Master levels can be significantly different, the monitor section has two 
separate and independent controls: a main master level control and a secondary solo level 
control  (a  led  indicates  that  solo  is  activated).  The  solo  mode  remains  active  even  when 
the channel is muted. (signal is taken after the pan control, allowing an exact stereo image 
positioning). 

Used  in  conjunction  with  mic  preamplifiers,  the 

CL-266

  is  the  ideal  mixer  for  engineers 

working  in  studios  not  equipped  with  a  classic  analog  console  who  do  not  want  to  use 
digital mixers. For this reason, a different CL-266 version characterized by a level control 
range of -20dB/+6dB is also available. 

CL-266

  is  dedicated  (due  to  his  absolute  sonic  level  quality)  to  high  professional  vocal 

recordings,  classical  instruments,  high  dynamic  range  instruments  such  as  drums  and 
percussions. 

 

ARREL Audio

 products are 

designed and manufactured in Italy.

 

 

 

Summary of Contents for CL-266 16

Page 1: ...CL 266 16 Channel Summing Mixer User Manual Issue 0 1...

Page 2: ...ctrical storms Do not place the instrument in an unstable position where it might accidentally fall over Before moving the instrument remove all connected cables When setting up the product make sure...

Page 3: ...stems and related documentation In any case we reserve the right to change the specifications without notice but in the respect to the current legislation Disclaimer The information contained in this...

Page 4: ...e button 7 Output section 8 Left RIGHT master LEVEL KNOBS 8 SOLO KNOB 8 SOLO LED 8 MONITOR KNOB 8 MUTE L R BUTTONS 8 MONO BUTTON 9 INSERT BY PASS BUTTONS 9 PHONES JACK 9 SEND RETURN JACKS 9 4 x 1 4 TR...

Page 5: ...r device The use of the send return front panel jacks automatically disables the corresponding rear panel connected device The send signal on the front panel jacks is always present allowing the set u...

Page 6: ...6 is contained in a 3U rack metal box No specific air conditioning is required for the racks provided that there is a free flow of air through the rack from front to back and the temperature is mainta...

Page 7: ...version available Fig 1 Fig 1 CL 266 Input Section INPUT SECTION PAN KNOB This is a 3 75 dB centre pan with S Law shaping to help accurate panning to extremes of left and right INPUT SECTION SOLO BUTT...

Page 8: ...nobs Fig 2 in order to select the required amount of gain for the main L R output bus 6 dB range Fig 2 CL 266 Output Section SOLO KNOB Turn the SOLO gain knob Fig 2 in order to select the required amo...

Page 9: ...RS jacks for insert 1 and 2 send L R return L R CL 266 Back Panel Controls and Operations INPUT XLR The 16 XLR female connectors for the input channels are clustered ion two groups of 8 INPUT DB 25 1...

Page 10: ...ARREL Audio CL 266 User Manual Issue 0 1 Page 10 APPENDIX A DB 25 Connections FIG 1 CL 266 DB 25 Connections Input Connections Top Output Connections Bottom...

Page 11: ...ARREL Audio CL 266 User Manual Issue 0 1 Page 11 APPENDIX B Front Panel FIG 3 CL 266 Front Panel...

Page 12: ...ARREL Audio CL 266 User Manual Issue 0 1 Page 12 APPENDIX C Back Panel Fig 4 CL 266 Back Panel...

Page 13: ...INSERT R Monitor Level Pot Solo Level Pot 2 mute buttons Mute L Mute R Mono button Front Panel Indicators Input Section each channel yellow LED Solo red LED Mute Master Section 2 green LEDs Insert L I...

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