CONTENTS
Before You Begin - Important Information
Technical Specifications
Controls, Connectors and Indicators
Panel Call Outs
Block Diagram
Sub With Powered Mixer
Mono Sub with Powered Mid/High
Stereo Sub with Powered Mid/High
Power On/Off Sequence
JBL Limited Warranty
JBL Professional Contact Information
6
10
12
14
15
15
16
16
17
18
20
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN!
DO NOT EXPOSE
TO RAIN OR MOISTURE!
ATTENTION
RISQUE DE CHOC ÉLECTRIQUE
NE PAS ENLEVER!
NE PAS EXPOSER Á
LA PLUIE NI Á L'HUMIDITÉ!
The exclamation point within an equilateral tri-
angle is intended to alert the users to the
presence of important operating and mainte-
nance (servicing) instructions in the literature
accompanying the product.
The lightning flash with the arrowhead symbol,
within an equilateral triangle, is to alert the
user to the presence of insulated “dangerous
voltage” within the products enclosure that
may be of sufficient magnitude to constitute a
risk of electric shock to humans.
CAUTION: TO REDUCE THE RISK OF ELEC-
TRONIC SHOCK - DO NOT REMOVE
COVER. NO USER SERVICEABLE PARTS
INSIDE. REFER SERVICING TO QUALIFIED
PERSONNEL.
ATTENTION: POUR EVITER LES RISQUES
DE CHOC ELECTRIQUE, NE PAS ENLEVER
LE COUVERCLE. AUCUN ENTRETIEN DE
PIECES INTERIEURES PAR L’USAGER.
CONFIER L’ENTRETIEN AU PERSONNEL
QUALIFIE. AVIS: POUR EVITER LES
RISQUES D’INCENDIE OU D’ELECTROCU-
TION, N’EXPOSEZ PAS CET ARTICLE A LA
PLUIE OU A L’HUMIDITE.
The IEC fuse symbol pictured at the left repre-
sents an approved user replaceable fuse.
When replacing a fuse, make sure to replace
with only the correct type and fuse rating.
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
manufacturers 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 has two blades and a third grounding
prong. The wide blade or the third prong is provided for your safe-
ty. If the provided plug does not fit your outlet, consult a electri-
cian for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched, par-
ticularly at plugs, convenience receptacles, and the point where
they exit the apparatus.
11. Only use attachments / accessories specified by the manufac-
turer.
12. Use only with a cart, stand, bracket,
or table specified 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 un-
used for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is
required when a apparatus has been damaged in any way, such
as power-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 fire or electric shock, do not expose this
apparatus to rain or moisture.
Explanation of Graphic Symbols
Important Safety Instructions
2
2
