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XLS Series Power Amplifi ers
Operation Manual
page 2
1)  Read these instructions.
2)   Keep these instructions.
3)   Heed all warnings.
4)   Follow all instructions.
5)   Do not use this apparatus near water.
6)   Clean only with a dry cloth.
7)  Do not block any ventilation openings. 
Install in accordance with the manufactur-
er’s instructions.
8)   Do not install near any heat sources such 
as radiators, heat registers, stoves, or 
other apparatus that produce heat.
9)   Do not defeat the safety purpose of 
the polarized or grounding-type plug. A 
polarized plug has two blades with one 
wider than the other. A grounding-type 
plug has two blades and a third ground-
ing prong. The wide blade or the third 
prong is provided for your safety. If the 
provided plug does not fi t into your 
outlet, consult an electrician for replace-
ment of the obsolete outlet.
10)   Protect the power cord from being walked 
on or pinched, particularly at plugs, con-
venience receptacles, and the point where 
they exit from the apparatus.
11)  Only use attachments/accessories speci-
fi ed by the manufacturer.
Important Safety
Instructions
MAGNETIC FIELD
CAUTION!  Do not locate sensitive high-gain 
equipment such as preamplifi ers or tape decks 
directly above or below the unit. Because this 
amplifi er has a high power density, it has a 
strong magnetic fi eld which can induce hum into 
unshielded devices that are located nearby. The 
fi eld is strongest just above and below the unit.
If an equipment rack is used, we recommend 
locating the amplifi er(s) in the bottom of the rack 
and the preamplifi er or other sensitive equipment 
at the top.
The lightning bolt triangle is used to alert the user 
to the risk of electric shock.
The exclamation point triangle is used to alert 
the user to important operating or maintenance 
instructions.
WATCH FOR THESE SYMBOLS:
IMPORTANT
The XLS Series amplifi ers require Class 2 output 
wiring.
TO PREVENT ELECTRIC SHOCK DO NOT REMOVE 
TOP OR BOTTOM COVERS. NO USER SER-
VICEABLE PARTS INSIDE. REFER SERVICING TO 
QUALIFIED SERVICE PERSONNEL. 
12)  Use only with a cart, stand, bracket, or 
table specifi ed by the manufacturer, or 
sold with the apparatus. When a cart is 
used, use caution when moving the cart/
apparatus combination to avoid injury 
from tip-over.
13)  Unplug this apparatus during lightning 
storms or when unused for long periods 
of time.
14)   Refer all servicing to qualifi ed service 
personnel. Servicing is required when 
the apparatus has been damaged in any 
way, such as power-supply cord or plug 
is damaged, liquid has been spilled or 
objects have fallen into the apparatus, the 
apparatus has been exposed to rain or 
moisture, does not operate normally, or 
has been dropped.
15)  To reduce the risk of fi re or electric shock, 
do not expose this apparatus to rain or 
moisture.
À PRÉVENIR LE CHOC ÉLECTRIQUE N’ENLEVEZ 
PAS LES COUVERCLES. IL N’Y A PAS DES PAR-
TIES SERVICEABLE À L’INTÉRIEUR. TOUS REP-
ARATIONS DOIT ETRE FAIRE PAR PERSONNEL 
QUALIFIÉ SEULMENT.