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Q&A 

 

 

Listed  below  are  the  most  typical  questions  that  we  have  received  from  the 
users of the 8x4 Selector: 

 

Does the selector have an input buffer?

 

No, this unit is a transparent amp/speaker selector, with no active electronics 
components  in  the  signal  path,  just  a  very  short  high  quality  cable  in  the 
instrument input. 
 

What  impedance  8x4  selector  uses?  Can  the  8x4  selector  adjust    the 

amp impedance?

 

This is like a 'patchbay', you connect your amp with the speaker you want, we 
don´t make adaptations. For example if you have an 8 ohm amp and you have 
2 cabinets (16 and 8 ohm), you have to choose the 'correct' speaker.  
 

What guitar cable do you recommend?

 We don´t have a preferable brand 

but the cables must have good quality. We have detected that a configuration 
with no quality cables changes the sound, then users tends to think there is a 
problem  in  our  8x4  selector.  Then,  changes  the  cables  and  recovers  the 
definition and sound quality. 

-Can  I  put  all  my  amp  heads  in  ’tower’  configuration  (One  above  the 
other)?

  You  can  configure  all  your  amp  heads  in  the  way  you  want  but  the 

users must take attention of the position of the power transformer (connected 
to the power grid) of the amps. Some amp brands put the power transformer in 
the left side of the head, and others in the right side. If you combine this two 
cases amp, probably the induction of this power transformer will affect to the 
second  amp  and  you  could  have  some  noise.  We  recommend  put  the  same 
head  amps  (transformer  position)  in  one  'tower'  and  the  others  in  a  second 
'tower'. 

 

If  I  turn  off  the  8x4  selector  and  amps  are  on,  is  there  a  problem?

  No, 

because all the amps go directly to the internal phantom load in that case, and 
all your amps will be loaded.

 

 

 

Summary of Contents for 8x4 MIDI Selector

Page 1: ...8X4 SELECTOR 8 AMPLIFIERS 4 SPEAKER SELECTOR OPERATOR S MANUAL Version 4 3 Avd de la Estaci n 4 local bajo Zarzalejo Madrid 28293 Espa a admin kahayan es www kahayan es...

Page 2: ...2 TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS 3 INTRODUCTION 4 RECOMMENDATIONS 5 SETUP 6 WARNING OF SETUP 7 Q A 8 SPECIFICATIONS WARRANTY 9 CREDITS 11...

Page 3: ...iers that produce heat 9 Protect the power cord from being walked on or pinched particularly at plugs and the point where they exit from the apparatus 10 Unplug this apparatus during lightning storms...

Page 4: ...of time and making work easier Useful for studio recording as well as live performance Thanks to Kahayan 8x4 Selector we can change the amplifiers and speakers with ony one bottom that means if every...

Page 5: ...s which have not been selected 5 We recommend to avoid any possible ground noise This is not mandatory and may the type of amplifier configuration you use you will not have ground noise that only one...

Page 6: ...6 SETUP The following diagram explains how to connect the equipment 4 X SPEAKER Jack instrument Cable Jack charge Cable speaker cable 8 X AMPLIFIERS Outputs Inputs INSTRUMENTS GUITAR...

Page 7: ...alternative setup please contact us www kahayan es SIMPLE MODE FULL MODE Jack instrument cable Jack speaker power cable COMBO SPEAKER HEAD SPEAKER HEAD 1 SPEAKER HEAD NOTE before unplug your guitar f...

Page 8: ...ion with no quality cables changes the sound then users tends to think there is a problem in our 8x4 selector Then changes the cables and recovers the definition and sound quality Can I put all my amp...

Page 9: ...85 mm Height Width Depth The manufacturer reserves the right to change the technical specification of the product without prior notice Note As of serial number 298 there is no voltage selector in the...

Page 10: ...ir or replace products which prove to be defective provided that the product is returned to an authorised Kahayan service facility The warranty will not cover shipping the unit back to the Kahayan ser...

Page 11: ...ction etc is strictly prohibited Kahayan intellectual property is protected by international copyright laws Violators will be prosecuted to the fullest extent of all applicable laws Transfer of owners...

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