Arrel Audio CL-125/4 User Manual Download Page 11

ARREL  Audio 

 

CL-125/4 User Manual, Issue 0.1

 

Page 11 

 

TECHNICAL SPECIFICATIONS 

Number of Channels: 

Power Supply 

Linear Regulator (Balanced C-Core Transformer) 

Operating Voltage  

220V 50 Hz, (110V 60 Hz version available) 

Power Consumption 

20 W 

Microphone Input 

Electronically balanced  

Microphone Gain 

66 dB, rotary knob  continuous control  
Max input level +20 dBu (internally limited to +12 dBu)  

Line Input 

Unbalanced 
Impedance 47 KΩ  

Line Gain 

30 dB, rotary knob  continuous control  
Level 0/-30 dBu Max +23 dBu 

Bandwidth  

5 - 200.000 Hz -1dB, perfect square wave up to 20 KHz 

Dist Noise 

<0.003% ( typical 0.001%) 

Low Cut Filter 

80 Hz, 12 dB / Oct 

High Cut Filter 

8 KHz, 12 dB / Oct 

Output 

Electronically Balanced  
Level +4 dBu, Max +28 dBu 

Front Panel Controls 

Gain  rotary knob continuous control  
48V Phantom Power button  
Low Cut button  
High Cut button  
Phase Reverse button 

Front Panel Input Connectors 

1/4” TRS jack 

Front Panel Indicators 

Level Indicator 10-LED Bargraph (7x green, 3x red), 1.5 dB 
step 
4x red LEDs (48V Phantom Power, Hi-Cut, Lo-Cut, Phase)  

Rear Panel Main Switch 

Power On/Off switch 

Rear Panel Controls 

BAL/UNBAL switch on each channel, Power on/off switch  

Rear Panel Input Connectors  Balanced XLR female 

Rear Panel Output 
Connectors 

Balanced XLR male 

AC mains 

IEC C13 16 A connector, AC mains cord with IEC Schuko 16A 

Construction 

1 U 19" rack mount metal box 

Dimensions 

W 483 mm / 19”, H 44.45 mm/1.75” (1 RU), D 225 mm / 8.86” 

Weight 

2.8 kg 

 

Summary of Contents for CL-125/4

Page 1: ...CL 125 4 Quad Mic Line Preamplifier User Manual Issue 0 1...

Page 2: ...ectrical 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: ...ystems 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: ...F CONTENTS 4 INTRODUCTION 5 Housing 5 CL 125 4 Front Panel Controls and Operations 6 Input Source selection 6 Phantom Power switch 6 Gain Control knob 7 LO CUT switch 7 HI CUT switch 7 Phase switch 7...

Page 5: ...ept input signals up to 20 dBu a special protection circuit limits the input level at 12 dBu in order to prevent any damage The EL 111 extended input dynamic range avoids the necessity of the input pa...

Page 6: ...o it is electronically balanced If the Line In 1 4 jack is not inserted the mic input is activated the insertion of the Line In jack disconnects the mic input Fig 1 Due to its very high dynamic range...

Page 7: ...The filter cut off frequency is 80 Hz 12 dB Oct Press again to switch off the filter LED HI CUT SWITCH Push the button to activate the low pass filter red LED on The filter cut off frequency is 8 KHz...

Page 8: ...ARREL Audio CL 125 4 User Manual Issue 0 1 Page 8 APPENDIX A Connections FIG 1 CL 125 4 Connections...

Page 9: ...ARREL Audio CL 125 4 User Manual Issue 0 1 Page 9 APPENDIX B Front Panel FIG 3 CL 125 4 Front Panel...

Page 10: ...ARREL Audio CL 125 4 User Manual Issue 0 1 Page 10 APPENDIX C Back Panel Fig 4 CL 125 4 Back Panel...

Page 11: ...r 80 Hz 12 dB Oct High Cut Filter 8 KHz 12 dB Oct Output Electronically Balanced Level 4 dBu Max 28 dBu Front Panel Controls Gain rotary knob continuous control 48V Phantom Power button Low Cut button...

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