KHE ACS SERIES – USER MANUAL www.KHE-AudioElectronics.com 21 / 23
STRAIN RELIEF
It’s advised to use some kind of strain relief system for the connections and cables on the back of the ACS.
PLACEMENT OF THE ACS
Placing the ACS close to a transformer, such as on top or below of an amplifier, may introduces some additional
noise due to the proximity of the large power- and output transformers.
POWER SOURCE
If possible, use the same mains power source (outlet, plug strip) for the ACS and for the connected amplifiers.
Otherwise, ground loops may occur.
POWER SUPPLY
The ACS includes an external desktop style power supply with universal input voltage range (100 - 240VAC).
Only use the included power supply. Other types of power supplies will not work with the ACS.
PE / EARTH CONNECTION
All amps must have a 3- prong mains power chord, grounded to PE für stability and saftey. Do not use 3-to-2
prong AC ground lift adapters of any of the connected devices. Do not remove any of the PE / EARTH
connections of the connected devices. This could potentially damage your devices an/ or the ACS.
SYSTEM RESET
To perform a system reset (delete presets, reset Midi-Channel), disable the power of the unit, wait 10 seconds,
push-and-hold the CTRL SWITCH and enable the power switch again. Now the ACS resets itself to factory state.
KEEP THE BOX
Make sure to keep and store the original packaging box. Warranty claims and returned units will be rejected or
charged with additional charges if not returned in the original box with the foam inlet.
ACS 2019-VERSION
Units from the first ACS batch in 2019 can not be upgraded with the new functions of the 2020 version.
MULTI ROOM SETUPS
The KHE ACS System let’s you build complex multiroom setups. For example, use an ASX 8 Amp Switcher in the
control room of your studio, while having a CSX 8 Cab Switcher in the recording room. Both switchers could be
interconnected by a speaker line and MIDI line in the stage- or wall box (5-pin MIDI wiring required, all pins!)
MIXING HEADS & COMBOS
It’s possible run both heads and combo amplifiers with the KHE ACS. However, take care when using the
speakers of small combo amps with powerful tube heads, as their output power may damage the lower
wattage speakers.
Got more questions? Something missing in this manual?
Shoot us a message at info@khe-audioelectronics.com
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