2PLACEMENT GUIDELINES FOR YOUR A 52
Power amplifiers are usually heavier and generate more heat than other components. To avoid damage to the A 52 or other equipment and to reduce risk of fire, you must follow these guidelines:
•Place the A 52 on a separate shelf that will adequately support its weight.
•Keep it away from heat sources such as air ducts or radiators.
•Avoid placing it on carpeting or another material that might obstruct airflow into the openings in the chassis bottom.
•Leave at least 3" of space around both sides and 6" of space above the top. The bottom clearance can be a little less.
•Do not block the front of the A 52 behind closed cabinet doors during use.
•Do not stack the A 52 with other components inside a cabinet unless you use a fan to circulate and exhaust the warm air that builds up between them.
Rack Mounting Your Parasound A 52
To mount the A 52 into a 19" wide equipment rack, you must first attach its HRA 3 rack mount brackets (not included). With its four feet removed, the A 52 chassis and front panel height occu- pies three rack spaces (5 1⁄4" or 133 mm). When mounting equipment below the A 52, you will also need to allow about 1⁄8" below the unit for the bottom chassis screws. A single standard rack space allows 1 3⁄4" vertical height in a 19" wide equipment rack. This measurement standard was developed by the EIA (Electronic Industries Association) so manufacturers of electronic compo- nents and equipment racks could build products in standardized heights that would fit in a uniform space. Please call your Parasound dealer or Parasound Technical Services if you need additional advice about rack mounting the A 52.
To attach the rack mount brackets:
•Remove the two screws from each side of the A 52’s top cover.
•Line up the two holes on each HRA 3 bracket with these holes on the A 52 and attach the brackets with the longer screws that are in the bracket kit.
•Make sure the screws are tight because they will support the entire weight of the A 52 in the equipment rack.
HRA 3 Rack Bracket
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