JBL CFSERIES - Manual
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Table of Contents:
- Page 2 – Hooking up multiple sets of speakers; simultaneous sound in another; CONNECTIONS; Preparing the hookup wire
- Page 3 – CF SERIES LOUDSPEAKERS; POWER HANDLING; No sound from one speaker
- Page 4 – Specifications; Do not
CF SERIES
LOUDSPEAKERS
OWNER’S
MANUAL
CF
S E R I E S
INTRODUCTION
Congratulations on choosing JBL
CF Series Loudspeakers. Their high
efficiency and bass response will greatly
increase your enjoyment of recorded
music. JBL speakers are built with careful
attention to detail, using only the highest
quality materials. They will provide many
years of excellent performance.
Your CF Series Loudspeakers are very
easy to set up. We recommend that you
take a few minutes to read this owner's
manual before you begin, and follow the
instructions carefully.
ENGINEERING FEATURES
1.
High Efficiency. Modest amplifiers or
receivers will be able to produce acoustic
levels normally associated with amplifiers
of substantially higher power ratings.
2.
Cast Frame Woofer. The aluminum die
cast woofer frame offers more rigidity
than a stamped steel frame. The stronger
frame provides a solid foundation for the
magnet assembly and cone & coil result-
ing in a more linear woofer movement
and less distortion. With the aluminum
frame there is no loss of flux from the
magnet assembly (as is the case with
steel frames) allowing the voice coil to
receive the full strength of the magnetic
field.
3.
Titanium Laminate Tweeter. Repro-
duces high-frequency sound waves with
accuracy, bringing out clarity and realism.
4.
Tuned Port Bass Design. Extends low-
frequency response, reduces distortion
and improves power handling capacity.
PLACEMENT
For the best stereo reproduction, the two
loudspeaker systems should be an equal
distance from your listening position and
separated so that the angle between
them, at the listening position, is between
40 and 60 degrees (see Fig. 1). For
example, if your listening position is 8 to
12 feet (2.5 to 4 m) from each speaker,
the two systems should be about 8 feet
(2.5 m) apart. Placing the loudspeakers in
corners or against a wall will result in the
strongest (not necessarily the most
accurate) bass. The CF80 is ported on
the front to allow placement directly up
against a bookshelf or wall. Since the
other CF Series models are ported on the
back panel, do not place these speakers
closer than 12 inches (305 mm) to the
wall behind it if possible.
CF-Owner's Manual 7/28/98 9:51 AM Page 1
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Summary
yarn in one conductor; thin, raised ribs onone part of the outer insulation; or a printed"+" marking on one of the insulators. Itdoes not make any difference which of thetwo strands of wire go to (+) and (–) on thespeakers and amplifier, as long as bothspeakers are connected identically. If ...
CF SERIES LOUDSPEAKERS 3 1. Your receiver or amplifier minimum loadimpedance. Impedance is always expressedin ohms and can be found in the owner'smanual that came with your unit. For example, the following are typical entries in receiver/amplifier owner's manuals: A. 100 watts RMS into 8 ohms, bothc...
CF SERIES LOUDSPEAKERS JBL Consumer Products, Inc.80 Crossways Park WestWoodbury, NY 11797 8500 Balboa BoulevardNorthridge, CA 91329 800 336 4JBL (4525) A Harman International Company Part No. 15-30-4142-00 Specifications CF80 CF100 CF120 CF150 Application 2-Way Bookshelf 3-Way Floorstanding 3-Way F...
