User manual JBL ES20CH
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Manual abstract: user guide JBL ES20CH
Detailed instructions for use are in the User's Guide.
[. . . ] This figure shows an alternate layout, which may be more suitable for some rooms. The center rear channel is for a 6-channel system.
HOME THEATER
For front-channel use, place one speaker on the left and another on the right, along either side of the television monitor. Since the speakers are magnetically shielded, you can place them near the TV without worrying about the field distorting the TV picture. For surround-channel use, place speakers on bookshelves or stands alongside the listening position. [. . . ] Final placement depends on room acoustics, availability of space and your listening preference (Figures 2 and 3). In 6- or 7-channel configurations, place the rear channel(s) behind the listening position, as shown in Figures 2 and 3.
2
INSTALLING FEET
ES10, ES20, ES30 The supplied self-adhesive rubber feet may be attached to the bottom corners of your speakers to protect your furniture.
INSTALLING SPIKED FEET
ES80, ES90, ES100 Four metal spikes are supplied for use when using the outboard feet and the speaker is to be placed on a carpeted surface, to decouple the speaker from the floor and prevent unwanted damping. To insert the spikes, gently lay the speaker on its side (not its front or back) on a soft, nonabrasive surface. NEVER drag the speaker to move it, as this will damage the spikes, the feet and/or the wood cabinet itself. Always lift the speaker and carry it to its new location.
Place pads here
WALL-MOUNTING
ES10 The ES10 may be wall-mounted. The customer is responsible for proper selection and use of mounting hardware (available through hardware stores), to properly and safely wall-mount the speakers. THESE PRODUCTS ARE NOT INTENDED FOR CEILING MOUNTING.
CHANGING THE FEET
ES80, ES90, ES100 The ES80, ES90 and ES100 feature attractive outboard feet, installed at the factory. However, if you would like to replace them with the less visible inboard feet (included), follow the instructions below. Remove the four feet on the bottom of the speaker by loosening the two screws in each foot. NOTE: If desired, consult your local JBL dealer about speaker wire and connection options. The speakers have coded terminals that accept a variety of wire connectors. To ensure proper polarity, connect each + terminal on the back of the amplifier or receiver to the respective + (red) terminal on each speaker, as shown in Figure 5. See the owner's guides that were included with your amplifier, receiver and television to confirm connection procedures.
SINGLE-STEREO AMPLIFIER
Figure 7. This figure shows how to connect bare wires to the terminals.
IMPORTANT: DO NOT REVERSE POLARITIES (I. E. , + TO OR TO +) WHEN MAKING CONNECTIONS. DOING SO WILL CAUSE POOR IMAGING AND DIMINISHED BASS RESPONSE.
Figure 8.
FINAL ADJUSTMENTS
Check the speakers for playback, first by setting the system volume control to a minimum level, and then by applying power to your audio system. Play a favorite music or video segment and increase the system volume control to a comfortable level. NOTE: You should hear balanced audio reproduction across the entire frequency spectrum. If not, check all wiring connections or consult the authorized JBL dealer from whom you purchased the system for more help. [. . . ] If not, check all wiring connections or consult the authorized JBL dealer from whom you purchased the system for more help. The amount of bass you hear and the stereo-image quality will be affected by a number of different factors, including the room's size and shape, the construction materials used to build the room, the listener's position relative to the speakers, and the position of the speakers in the room.
STANDARD CONNECTION
Standard Connection
Figure 5. Wiring diagram shows polarity connections for one channel of a stereo or home theater system.
Listen to a variety of music selections and note the bass level. Conversely, if you place the speakers closer to the walls, there will be more bass output.
BI-WIRING
ES30, ES80, ES90, ES100 The outer connection panel and internal dividing network of the ES30, ES80, ES90 and ES100 are designed so that separate sets of speaker cables can be attached to the low-frequency transducer and midrange/high-frequency transducer portions of this dividing network. [. . . ]
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