7
LINK UNBAL -10dB
RCA pin connector unbalanced (-10 dB / 15 kOhms): it’s connected in parallel with the input connector
to enable the signal to be sent to a second unit. In this way, using the same signal it is possible to drive
more than one loudspeaker.
SIGN/CLIP
Indicator LED: this is a two-tone LED (green/red) able to show 3 different conditions:
a) off: no signal
b) green/SIGNAL: external signal present (minimum level: -26dB)
c) red/COMPRESSOR: internal compressor operating. It indicates when the compressor starts operating
following the detection of an excessively high signal level being fed out by the system amplifiers. In this
case, the compressor lowers the signal level to avoid damage to the enclosure components and
amplifier clipping. The compressor threshold and time values have been carefully studied and assessed
in order to keep the signal within safety levels and avoid reduced dynamics.
IMPORTANT ➪ when the COMPRESSOR LED lights up, this doesn’t indicate a normal operating
condition, but the intervention of a circuit for safeguarding the system in emergency situations. So to
obtain the best results as far as tone response and power output are concerned, it is advisable to prevent
the LED from lighting up regularly.
VOLUME
Control of the signal level sent to the built-in amplifier: operates with continuous values ranging from
fully closed (“∞” position: the signal is not sent to the amplifier) to fully open (“0dB” position: the signal is
sent to the amplifier at the same level at which it arrives on the input). In other words, this control is
used to cut the external signal sent to the amplifier.
SHIELD
Control for separating the electrical earth from that of the chassis: under certain conditions, this
selector can enable to break earth loops which can form when several units are connected together and
often cause hum or other annoying noises.
POWER
ON/OFF switch with indication LED.
A.C. ~
Mains cable, length 2,5 mt.
SPX LIVE & MEDIA ACTIVE connection panel
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