8X4 MIDI SELECTOR
8 AMPLIFIERS/ 4 SPEAKER SELECTOR
OPERATOR'S MANUAL
Version 1.1
Avd. de la Estación 4, local bajo
Zarzalejo, Madrid 28293
España
admin@kahayan.es
www.kahayan.es
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TABLE OF CONTENTS
IMPORTANT SAFETY INSTRUCTIONS…………………………………3
INTRODUCTION…………………………….……………………………..4
RECOMMENDATIONS………....…………..……………………………..5
SETUP…………………………....…………..……………………………..6
ADVANCED SETUP (BUS INSERT, MIDI & TUNER)…………….……..7
Q&A……………...……………………………….………………...….……12
SPECIFICATIONS & WARRANTY.……………………………...….…….13
CREDITS………………………………………………………….....………14
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IMPORTANT SAFETY INSTRUCTIONS
1. Read these instructions
2. Keep these instructions
3. Heed all warnings
4. Follow all instructions
5. Do not use this apparatus near water
6. Clean only with dry cloth
7. Install in accordance with the manufacturer's instructions
8. Do not install near any heat sources such as radiators, heat registers,
stoves, or other apparatus (including amplifiers) 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 or when unused for long
periods of time
11. Refer all servicing to qualified service personnel. Servicing is required when
the apparatus has been damaged in any way, such as power-supply cord or
plug is dam- aged, liquid has been spilled or objects have fallen into the
apparatus, the apparatus has been exposed to rain or moisture, does not
operate normally, or has been dropped
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INTRODUCTION
The 8x4 MIDI Amplifier/Speaker Selector is a system which allows you to
connect 8 amplifiers to 4 speakers, providing the possibility of easily
selecting combinations of amplifiers and speakers. Thus avoiding waste of
time and making work easier. Useful for studio recording as well as live
performance.
Thanks to the Kahayan 8x4 MIDI Selector we can select/choose any amplifier
and speaker combination with the front panel buttons, with a MIDI pedalboard
and also with your Tablet using a MIDI/Bluetooh® interface (see page 7). That
means, if everything is connected correctly and our recommendations are
followed, you can link the amplifier that you want with the speaker that you
choose in many modes.
For more information visit: www.kahayan.es
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RECOMMENDATIONS
Listed below are the most important recommendations for the use of the
8x4 Selector:
1- To avoid any equipment failures its vital to connect to the 8x4 Selector the
following things: the instrument, the amplifier inputs, the amplifier outputs and
the speakers. The initial connection should be with the amplifiers turned off or
Stand by.
2- Once everything has been connected with cables with soldered
connectors you can use the 8x4 MIDI Selector with all the amplifiers
permanently switched on. Its not neccesary to use the Stand By mode each
time that you want to change the amplifier.
3- In the case where some speaker outputs are not being used, be carefull
not to select them to avoid the amplifiers functioning without being charged.
4- This Selector contains an input mute system and phantom charge for the
amplifiers 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 of the amplifiers is connected to the electric ground.
Preferably the most powerful amplifier or that which has the highest
consumption. By doing this avoid hum noise caused by ground loops.
NOTE: That doesn´t mean that the other amplifiers are not connected to the
ground. They are connected through the Selector. See the folllowing chart:
NOTE: We recommend that a
technician disconnect internally
the plug socket into which the
electric ground goes. Also you
can use ‘’duct tape’’ to cover the
pin ground but it is not
recommended.
AMPLIFIER 1
(MOST POTENCIAL AND THE
ONLY ONE CONNECTED TO
THE ELECTRIC GROUND)
AMPLIFIERS 2,3 … 8
(NOT CONNECTED TO THE
ELECTRIC GROUND)
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