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Detachable 3 pin IEC  connector, mating connector and cable  

  supplied. 
 

 

Front panel On/Off switch with green LED. 

 
 

Dimensions:

 

 
 

 

19” rack mounting, 1U high. 

 

 

483mm wide x 44mm high x 250mm deep. 

 
 

Weight:

 4Kg. 

 

T

he  above specifications are subject to change without notice. 

 

 

 

 
 

SERVICE 

 

 

Should the equaliser require service, it must be taken or posted to an authorised dealer. 
Please retain the original packing for possible future use, and ensure the unit is 
suitably protected during transit. The manufacturer cannot accept responsibility for 
damage caused during transportation. 
 
The equaliser is supported by a limited warranty for a period of one year from the date 
of purchase. During this period,  any faults due to defective materials or workmanship 
will be repaired free of charge. The warranty excludes damage caused by deliberate or 
accidental misuse, operation on the incorrect mains voltage, or without the correct 
type and value of fuse fitted. It is the user’s responsibility to ensure fitness for purpose 
in any particular application. The warranty is limited to the original purchase price of 
the equipment, and excludes any consequential damage or loss. 
 
Please retain proof of purchase, and record the following details: 
 
 
 
Serial Number............................. 
 
 
 
Date purchased........................... 
 

 
 

Dealer......................................... 

Summary of Contents for INDIGO EQ-2011 Series

Page 1: ...udio INDIGO SERIES User Manual EQ 2011 VALVE EQUALISER Tony Larking Professional Sales Limited Letchworth England Tel 01462 490600 International 44 1462 490600 Fax 01462 490700 International 44 1462 4...

Page 2: ...controlled by a centre detented control calibrated for 0dB nominal gain from the line input sources at the centre and providing 20dB of variation The instrument input has a sensitivity switch associa...

Page 3: ...observed All mains wiring should be installed and checked by a qualified electrician Ensure the correct operating voltage is selected on the rear panel before connecting to the mains supply Never oper...

Page 4: ...attempted operation on the wrong voltage setting or with an incorrect fuse will invalidate the warranty Audio Operating Level The equaliser is equipped with inputs and outputs suitable for connection...

Page 5: ...linking pins 1 and 3 in the mating XLR connector If this connection is not made a loss in level may result Unbalanced Line Inputs An unbalanced line level input at a nominal level of 10dBu is also pro...

Page 6: ...mall amount of heat internally This heat should be allowed to dissipate by convection through the grills in the side panels and top cover which must not be obstructed Do not locate the unit where it w...

Page 7: ...e peak LED indicates the drive level within the valve stages that form the equaliser The EQ 2011 is a precise low distortion instrument which is capable of a high operating level without a significant...

Page 8: ...ation section of this manual HM Band The HM High Mid Frequency band is similar in operation to the LM band except that the centre frequencies are obviously higher and concentrated in the critical uppe...

Page 9: ...t Input impedance greater than 5Kohm Gain range 20dB to 20dB Nominal input level 10dBu Maximum input level 12dBu 2 pole 0 25 jack socket Auxiliary Input Switchable for high or low gain plus 40dB gain...

Page 10: ...lanced Outputs Output impedance 47 ohms Nominal level 10dBu Maximum level 18dBu into 10Kohms 2 pole 0 25 jack socket Frequency Response 10Hz to 40KHz 0 1dB Noise 80dBu 22Hz 22KHz Distortion 0 05 10Hz...

Page 11: ...damage caused during transportation The equaliser is supported by a limited warranty for a period of one year from the date of purchase During this period any faults due to defective materials or work...

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