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 Unbalanced: Jack Mono. The signal is taken before the output transformer 

giving another colour to the balanced output 

 Max. Gain: XLR input: 65 db 

 Output control: Key steps of 12 positions adjustable in 1dB steps (the typical 

fader function) 

 Distorsion: To 22 dbu of output, 40hz less than 0.1%,1Khz less than 0.03% 

10 Khz less than 0.05% 

 POWER SUPPLY: 220v. 50hz. 110v. 60hz 

The manufacturer reserves the right to change the technical specification of the 
product without prior notice. 

 

 

WARRANTY 

 

These  products  are  guaranteed  for  a  period  of  two  years  from  the  date  of 
shipment  to  the  end  user  for  countries  of  the  European  Union.    For  other 
countries, please refer to the law in effect. 
 
During  the  warranty  period  Kahayan  Pro-Audio  will,  at  their  discretion,  either 
repair  or  replace  products  which  prove  to  be  defective,  provided  that  the 
product is returned to an authorised Kahayan service facility. 
 
Defects  caused  by  unauthorised  modifications,  accident,  negligence  or  any 
misuse are not covered by this warranty. For further information please contact 
your dealer or the distributor in your country. 

 

 

 

 

 

Summary of Contents for 12K72 Series

Page 1: ...12K72 STEREO AND MONO MICROPHONE PREAMPLIFIER OPERATOR S MANUAL Version 1 0 Avd de la Estaci n 4 local bajo Zarzalejo Madrid 28293 Spain admin kahayan es www kahayan es...

Page 2: ...ANT SAFETY INSTRUCTIONS 3 INTRODUCTION 4 USE AS A MICROPHONE PREAMPLIFIER 5 RECORDING ELECTRIC INSTRUMENTS 5 USE AS LINE AMPLIFIER INSERTED IN THE STEREO MIX 6 POWER SUPPLY 6 SPECIFICATIONS WARRANTY 8...

Page 3: ...the power cord from being walked on or pinched particularly at plugs and the point where they exit from the apparatus 10 Only use attachments accessories specified by the manufacturer 11 Unplug this a...

Page 4: ...ing inside this preamplifier is high quality the wires rotary switches capacitors resistors and connectors STAGES The 12K72 is formed by two stages the first gain stage is set with a Gain control whil...

Page 5: ...ORDING ELECTRIC INSTRUMENTS electric guitars electro acoustic basses Connect the instrument to the female jacks on the front panel place the switch in the Mic position not the Line set the output key...

Page 6: ...e unbalanced output on the rear OUT N B is taken before the output transformer which gives a subtly different colour from the balanced output Jack connectors female format found on the front panel all...

Page 7: ...ECIFICATIONS Iron rack format of 1 unit Two mic line independent preamp working in pure class A Using discrete technology no IC s Gain control in steps of 5dB Output level control by steps of 1dB 48v...

Page 8: ...he product without prior notice WARRANTY These products are guaranteed for a period of two years from the date of shipment to the end user for countries of the European Union For other countries pleas...

Page 9: ...9...

Page 10: ...ed Kahayan intellectual property is protected by international copyright laws Violators will be prosecuted to the fullest extent of all applicable laws Transfer of ownership of this unit neither confe...

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