Outputs
The high damping factor of your amplier supplies a clear sound reproduction. Unnecessarily long
and thin cables used for low impedance (4-16Ω) speakers will inuence the damping factor and
thus the low frequencies in a negative way. In order to safeguard good sound quality, the damping
factor should lie around 50. The longer a cable has to be the thicker it should be. For longer cable
runs please ensure the 100V outputs are used for 100V speakers.
Connect your speaker systems via the speaker terminals (COM = -VE)
Examples: 1) COM + 4-16Ω
2) COM + 50V
3) COM + 70V
4) COM + 100V
Note: Please do not use more than one pair of output terminals
Connections To The Mains
Before connecting the amplier to the local mains voltage outlet should be checked to ensure the
available supply is 240V~AC 50Hz. This product is CLASS1 and requires a protective mains earth
to be connected at all times. DO NOT remove or disconnect the earth.
Power On/Off Procedure
After connecting your amplier to the mains, turn all controls counter clockwise to the “min”
position. Turn on audio sources (MP3 players, CD players, Microphones etc) before powering the
amplier ON. The last product to be switched on is the amplier.
If you wish to power off the system, turn the amplier’s master volume control counter clockwise
to the “min” position before switching the amplier OFF before any audio sources are switched off.
By following this procedure it will prevent acoustic shocks to the speakers or potential damage to
system components.
MACHINE OPERATION
1. After connecting all audio sources and powering on the mixer amplier, adjust the level of each
audio input to achieve the desired “mix”. Care should be taken to when adjusting microphone
input volumes and the master volume, adjust both of these in small increment’s to avoid feedback
(howl around). The goal is to achieve a clear balance between music and voice ensuring an-
nouncements can be clearly heard.
2. The Microphone inputs feature selectable & adjustable voice operated override (VOX), this will
mute all other inputs. After 3 seconds of no input to the MIC inputs the other inputs will return to
their original state. The VOX mute level can be adjusted on the rear panel. The TEL input has
highest priority, followed by the MIC1.
3. The Clever Acoustics ampliers feature output VU meter’s with PEAK indication. Should the
PEAK indicator illuminate (ashing) the output of the amplier is too high, turn the master volume
anti-clockwise to reduce the output.
4. Speaker & Amplier systems can produce high sound pressure levels, please operate all
controls with caution to ensure people are not exposed to excessive or dangerous sound pressure
levels.
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