Pass Labs XA200.5 Manual Do Utilizador

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XA200.5 Owner’s Manual
SET UP
X amplifiers run at about the same power as their output rating, and 
XA amplifier run more than twice that.  The heat sinks on the side 
of  the amplifier run hot to the touch – about 25 to 30 degrees C. 
above ambient, so you can expect 50 to 55 degrees C. temperatures 
on the heat sinks.  It is very important to the long life of  the 
amplifier that they get good ventilation.
You can put this amplifier anywhere you want, but it must have good 
ventilation.  Do not place it in enclosed cabinets or small closets 
without means for air to circulate freely.  Stacking these power 
amplifiers directly upon each other is not recommended for the same 
reason.  You should have a minimum of  about 6 inches clearance to 
the top and sides for adequate air circulation. 
When not actually intending to play music the amplifier should be 
left in standby mode, where it draws only a few watts of  bias on 
the output stage.  If  you wish to reduce the power draw to 0, you 
can shut the amplifier off  via the rear panel switch, however we 
recommend that for minimum noise this switch should be toggled in 
stand-by mode.
We have provided a standard IEC power cord that fits into the 
standard 15 amp IEC receptacle at the rear of  the amplifier chassis.  
With the exception of  the largest of  the X and XA series, there is no 
difficulty running two amplifiers on a single 15-amp circuit.  Given 
the high current draw, we generally do not recommend active line 
conditioners, although they are unlikely to damage the amplifier.
This amplifier is equipped for operation with an earth ground 
provided by the users AC outlet.  Never defeat this ground 
connection.  The signal ground of  this amplifier is connected to 
earth through a power thermistor, which provides a safety ground 
but provides isolation from system ground loops.
For maximum safety we suggest that the power cord should be the 
last cable installed on your power-amplifier.  You may, if  you wish, 
substitute a 15-amp aftermarket power cord for the one we have 
supplied.  Only use power cords, which meet all local safety standards 
and carry acceptance marks from the local regulatory authority.  The 
power cord should be attached to the amplifier prior to plugging 
into house power.  Place the rear mounted switch in the off  (down) 
position before plugging in this amplifier.