Xantech XA8C Manuale utente

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INSTALLATION INSTRUCTIONS

Ceiling and In-Wall Speaker Systems

INTRODUCTION

The XTC and XTC Reference series loudspeakers are the result of Xantech’s commitment to build

the best speakers possible. In their quest for perfection, Xantech engineers examined every aspect of

their performance and design, from electronic components to structural material, even how they

interact with the home environment. The Result: Flawless performance that you never thought

possible from an installed speaker.

•Pivoting Tweeters

Pivoting dome tweeters provide brilliant highs, and allow the sound field to be adjusted to fit the

specifics of the listening environment. In-wall speakers can accept a Dinky Link™ IR receiver for a

convenient, discreet mounting solution. In-ceiling speakers have an aerodynamic dome-shaped

tweeter housing that eliminates woofer sound-wave restriction.

•FIM

FIM (Flexible Impedance Matching) binding posts provide a more dependable solution for adding a

second pair of speakers to a room or zone. One post is set for 6 ohms, delivering maximum SPL.

Another flexible post provides 8 ohms for attaching two speaker pairs in parallel without harming the

amplifier.

•XTC Technology

Xantech XTC technology delivers amazing sound quality. Custom-designed crossovers deliver a

pure, smooth tonal range that goes beyond the typical expectations of an installed speaker.

•High-density MDF Baffles

The In-Wall baffles are constructed with the same high-density MDF wood material found in premium

box speakers. An MDF based speaker provides sonic clarity by reducing vibrations and resonance.

The XTC baffle design increases dynamics, provides solid bass and midrange performance.

•SoundPATH Bridge Design

The XTC Reference In-Ceiling baffles are designed to eliminate the adverse-effects of having the

tweeter placed directly over the woofer. SoundPATH’s solid-density bridge design provides sonic

clarity by reducing vibrations and resonance. An aerodynamic shape eliminates woofer sound-wave

restriction.

•XA and XB Series

The XTC series is also known by the model numbers as the XB series. The XTC Reference series is

also known by the model numbers as the XA series.

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APPLICATION – SINGLE ZONE

A single zone setup can be created using an audio receiver, general purpose amplifier, or a multi-

room amplifier. The figure below shows a typical stereo left and right speaker setup.

APPLICATION – SMALL AREA (BATHROOM, LAUNDRY ROOM)

Small areas such as bathrooms and laundry rooms may not have enough room for a pair of left and

right speakers. The XA65CS and XB65CS are perfect for this type of situation. The “CS” ceiling

stereo speakers are designed with stereo left and right audio in one single installed package. The

figure below shows a typical installation.

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ADVANCED APPLICATION – LARGE AREA, MULTIPLE SPEAKER SYSTEMS

Large areas such as gathering rooms or banquet halls may require more than a single pair of

speakers. Multiple speakers can be connected to the same amplifier channel. This application

requires careful understanding of the amplifiers capabilities.

1) Determine what the minimum speaker impedance the amplifier can handle. This should be

noted on the amplifier or the amplifier’s instruction manual. Typically, most amplifiers can had

a minimum of 4-ohms per speaker channel.

2) The XA and XB series speakers are 6-ohms. By connecting two 6-ohm speakers to one

amplifier channel, a 3-ohm speaker load is created. For amplifiers with a 4-ohm minimum, this

is an improper application that can cause damage to the amplifier.

3) The XA and XB series speakers provide a third wiring post for this type of application. Remove

the yellow plastic cap to expose the “+8” wiring post. Using the “+8” wiring post will make the

XA and XB series speaker 8-ohms. By connecting two 8-ohm speakers to one amplifier

channel, a 4-ohm speaker load is created. For amplifiers with a 4-ohm minimum, this is an

acceptable application.

The figure above shows multiple speakers connected to a single output amplifier channel by using

FIM (flexible impedance matching). To make sure the impedance matches the amplifiers minimum 4-

ohm specification, the “+8” post is used. The yellow cap that was once on the “+8” post is moved to

the “+6” post as an added precaution.

Note: A 6-Ohm load is the optimum load for a single speaker per

channel. The best sound is a result of a single 6-Ohm connection.

Be sure to verify the amplifiers minimum impedance capability.

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REQUIREMENTS – SPEAKER PLACEMENT

The best sound can be achieved by making sure the speakers are placed is the best position

possible. The surface material should be similar for right and left pairs. Also, the cavity volume behind

each speaker should be identical.

Placing a speaker near a corner tends to emphasize

bass. Large surface areas emphasize treble.

Drapes and upholstered furniture may muffle sound.

Be sure that both right and left pairs are equal

distance from the corners of a room and facing

identical surfaces. Non-equality between the left and

right speakers may result in inconsistent sound.

The objective of a well designed speaker system is

how well it replicates live sound. A speaker system

that can present a 3-dimensional replication as if the

performer is in front of the listener presents “stereo

imaging”.

The left and right channels of a speaker system are

best placed 6 to 8 feet apart. The best height for the

in-wall systems is where a person standing and a

person sitting are within the optimum range of the

tweeter. In general, the optimum height should be

4.5 feet from floor to tweeter. This height covers

both standing and sitting.

REQUIREMENTS – WIRE

For the best installation, using high-quality speaker wire is recommended. High-quality speaker wire

is stranded. Do not use solid gauge wire (commonly used for 120VAC and 240VAC power

connections).

Wire Length Recommended Size

Up to 50 feet 16-gauge

Up to 100 feet 14-gauge

Greater than 100 feet 12-gauge

The general rule is that a heavier gauge wire is recommended for all installations, especially for long

distances. Be sure to select a wire that has an easy to follow indicator (such as a white stripe or

indented ridge). This will make connecting the polarity correctly an easier task.

Be sure to observe the proper polarity. The positive (+) wire must always be connected to the positive

(+) terminal and the negative (-) wire must always be connected to the negative terminal. An incorrect

polarity connection will result in poor imagining and bass response.

Note: Be sure that each wire strand is completely isolated from other connections. Frayed or poorly

twisted strands may cause short circuits and damage the systems equipment.

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CAUTION:In-CeilingInstallation

Be sure that the ceiling material has a good integrity and is of a

material and thickness to support the weight and vibrations of the

speaker installation.

NEW CONSTRUCTION INSTALLATION

The preferred method for new construction installation is using Xantech’s new-construction brackets.

The brackets provide an installation process that protects the high-value speaker system. The bracket

material is heavy-duty ABS plastic. Wings can be assembled to the frame in several locations, thus

allowing the speaker system to be installed in almost any position.

1) The speaker bracket installation takes place after wiring and wall box placement has been

completed. The speaker brackets are to be installed before the dry-wall process. The dry-wall

contractors can accurately cut out the speaker holes using the installed speaker brackets as a

reference.

2) After the dry-wall process is complete, the painting process is next. The bezel frame from the

speaker system can be installed using the speaker bracket as a mounting point. There are two

mounting points to fasten the bezel frame to the bracket. Remove the bezel from the speaker

frame by locating and removing the shipping screws (silver) on the rear of the system. The

dog-ears screws also have to be removed. With the bezel frame installed into the speaker

bracket, paint can now be applied to the wall and speaker bezel.

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3) The baffle part of the speaker system can now be installed into the speaker bezel. Place the

baffle into the bezel frame. Use the dog-ears on the speaker bezel to secure the system into

place.

4) Installation complete! The benefit of using the new construction speaker brackets is that you

can maintain possession of the high-value portion of the speaker system instead of passing it

through several different contractors.

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EXISTING CONSTRUCTION INSTALLATION

1) Determine the location for the installed speaker. Use a stud-finder to locate the studs behind

the wall. It is a good idea to use a voltage detector to determine if any live wiring is in the area.

Typically an electrical or switch outlet will identify the location of a stud. The adjacent stud may

be 12, 16 or 24 inches apart.

2) Using the included mounting template, draw an outline of the area that will be removed. The

outline should at least 2 to 3 inches away from a stud. This will allow the proper clearance for

the dog-ears. For applications where the speaker frame must be against a stud, the speaker

frame has an area on each leg where direct-to-stud mounting can be applied. It is a good idea

to use level to be sure the rectangular outline is level. Drill a small pilot hole to allow probe

entry.

3) Use a stiff wire to probe inside the wall. Use this probe to check for obstruction such as pipes.

The probe can also be used to verify the depth is adequate for the installed speaker.

4) Use a dry-wall saw or a jig-saw to slowing remove the outlined area. Place the speaker in the

cavity to verify the fit and level is correct. It is recommended to loosely fill the cavity with fire-

rated fiberglass insulation. This will prevent unwanted sound to adjacent rooms. Filling the

cavity also enhances the performance of the speaker system.

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5) Connect the speaker wires to the speaker and place the speaker inside the wall cavity.

6) Carefully tighten the clamping screws. Be sure to alternate diagonally between each screw

position. For wall speakers, carefully adjust the frame level after each screw is installed.

CAUTION:DONOTOVER-TIGHTENTHESCREWS!

This may cause damage to the wall and speaker system.

7) INSTALLATION COMPLETE!

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FINISHING TOUCH – PIVOTABLE TWEETER

All speaker models, except the stereo ceiling models, have pivot-able tweeters. As mentioned in the

speaker placement section, the tweeter should be level to the listener’s ear.

Adequate Tweeter Direction

Optimum Tweeter Direction

Gently push the edge of the tweeter frame to adjust the angle. Be careful not to touch the dome

portion of the tweeter. The tweeter must be treated with care to maintain it’s high performance

characteristics.

FINISHING TOUCH – TWEETER & EQUALIZATION SWITCH

All XA series speakers are designed with a 3-position equalization switch. The center position is

nominal (normal position). Moving the speaker switch towards the “+” will increase the equalization

response. Moving the speaker switch towards the “-“ will decrease the equalization response. The

equalization will affect the treble and bass.

All XB series speakers are designed with a 3-postion tweeter switch. The center position is nominal

(normal position). Moving the speaker switch towards the “+” will increase the tweeter response.

Moving the speaker switch towards the “-“ will decrease the tweeter response. The tweeter will affect

the treble only.

FINISHING TOUCH – PAINTING

The frame and grill can be painted to match the wall or ceiling color. Included is a paint shield that is

meant to replace the grill on the speaker assembly. This will protect the speaker while exposing only

the frame.

The grill should not be painted while assembled to the speaker assembly. It is suggested to use spray

paint on the grill. Be sure the perforations (holes) in the grill do not fill with paint. Several light coats

will yield the best results.

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TROUBLESHOOTING

1. POLARITY

It is a good idea to test the polarity of the speaker and wire connection. Testing the polarity confirms

that positive (+) wire is connected to the positive (+) terminal on the speaker and amplifier. A reverse-

polarity connection (positive (+) wire connected to negative (-) terminal) will result in poor speaker

performance and possibly damage the system.

To test the polarity, take a 9 Volt battery. Connect the negative (-) terminal of the 9 Volt battery to the

negative (-) wire. Then, while observing the woofer on a speaker, connect the positive (+) terminal of

the 9 Volt battery to the positive (+) wire.

If the woofer on the speaker moves outwards, the wiring polarity is correct. If the woofer on the

speaker moves inward, the wiring polarity is incorrect. In this situation, it is best to correct the polarity

by swapping the positive (+) and negative (-) wire on back of the speaker.

2. CHANNEL CHECK

To check that the left speaker is not connected as a right speaker, you will need an amplifier or

preamplifier that has BALANCE control. Turn on the system so that music is coming from the speaker

system. Move the BALANCE control to the far right. The right speaker should only be producing

sound. Move the BALANCE control to the far left. The left speaker should only be producing sound.

If the above case is not true, then it would be easiest to correct the problem at the equipment rack.

The problem may not be at the amplifier to speaker connection. It is a good idea to check source to

amplifier connection as well.

3. NO SOUND FROM SPEAKER

In the event that no sound from the speaker is heard, check the wiring or the items below.

A. Verify the correct source is playing and is selected on the receiver\amplifier end.

B. Verify mute and volume levels are correct. Verify volume control is wired properly.

C. Some receivers have A or B selector switches, verify the correct output is switched. This also

applies to speaker selector switches and advanced volume controls.

D. A wire short-circuit may cause the amplifier to shut-down in protection mode.

E. Bad connecting between the source and receiver\amplifier end.

SPECIFICATIONS - OVERVIEW

XTC SERIES

Tweeter: Pivotable Teteron dome tweeter constructed with

advance neodymium magnet, fluid cooled, and rear

acoustic damping.

Woofer: Durable IMG (injection molded graphite) woofer

for higher sensitivity and increased sound pressure levels.

Crossover: Second-order network. (12dB per octave).

Premium components specified and designed into the

system.

XTC REFERENCE SERIES

Tweeter: Pivotable Titanium dome tweeter. Rear acoustic

damping and positive rubber surround removes ringing and

achieves pure tones with low distortion.

Woofer: Premium Al/Mg (aluminum magnesium material)

woofer stays rigid during the most extreme bass notes and

the agility results in accuracy and dynamic bass response.

Crossover: Third-order network. (18dB per octave). Premium

components specified and designed into the system.

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