ART Pro Audio SLA4 - 4x140W Power Amplifier - Manual (Page 12)

Spade Connector – Loosen the red and black caps on the binding
posts (don’t completely remove). Insert the spade connector into the
binding post and tighten the caps down on the spade connector. Be
sure that the connection to one post does NOT come in contact with
another post.
Banana Plug – Insert the banana plugs into the caps of the binding
posts. Be sure that the red and black caps on the binding posts are
tightened down completely and that they are securely connected to
avoid the possibility of the banana plugs from popping out.
SMARTFAN™
The SLA-4 features SmartFan™, an advanced, thermal dependent fan
assisted convection cooled system. The SmartFan™ system is
dependent upon the internal ambient temperature of the unit, and runs
at two different levels. The SmartFan™ system is extremely quiet.
Do not block the fan or constrict air circulation. Doing so may cause
the amp to overheat and/or shutdown.
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