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About Rack Mounting
(Notes on Heat Dissipation)
The SRA-200E uses a combined simple air-
cooled/forced-air cooling system.
When the forced-air cooling fan is activated, cooler air
from outside the amp is drawn in through the intakes
in the top and bottom panels, and the air heated by the
amp's interior is expelled through the vent (see figure
below).
To ensure efficient cooling when rack mounting the
SRA-200E or in similar setups, be sure to note the fol-
lowing points.
●
Set up the unit in a site with good air circulation. In
particular, make sure that there is nothing impeding
the air flow that needs to reach the rear panel's air vent.
●
Never mount the SRA-200E in enclosed-type racks.
When the heated air inside the rack cannot be expelled,
it is recirculated through the intakes, preventing effi-
cient cooling of the amp.
●
When mounting multiple amps, make sure that there
is sufficient ventilation (especially within the rack), and
also make sure that the exhaust air does not get recir-
culated back to the intakes. If there is no way to keep
the rear panel of the amp away from the rack, then
make sure the rack has an opening or fan installed for
ventilation of the heated air that builds up during oper-
ation.
●
Provide at least 1U (1.75 inches) of open rack space
between each three SRA-200Es that you have mounted.
●
When stored in portable racks, remove the front and
rear covers of the case before operation, so that the
front and rear panels of the SRA-200E are not obstruct-
ed.
●
If the Thermal Protection Circuit is activated, and the
PROTECTION indicator lights, you must then take
measures to improve heat dissipation. Reconsider the
type of installation and rack environment you are pro-
viding for the SRA-200E, referring to the points listed
above.
●
When mounting the SRA-200E in a rack or other fix-
ture, exercise due caution so as to prevent fingers being
caught or pinched between the amp and the rack.
Attach the rubber feet included with the SRA-200E as
needed when not mounting the amp in a rack or other
fixture. Peel the covering from the double-sided adhe-
sive tape, and place on the rubber feet as shown in the
figure below.
Bottom Chassis
13
Attaching the Rubber Feet
(Included)