RBH Sound C-4x Manual de usuario

CTxSeriesCompactSpeakers

O w n e r ’ s M a n u a l

CTx Series pictured

here with the S Series

S-8 Powered Subwoofer

MM-4x

Introduction

Congratulations on your purchase of RBH CTx Series speakers! Your speakers are the result

of many years of research and development dedicated to producing high quality products

for home audio systems.

This manual contains features, setup recommendations and speciﬁcations for the RBH CTx

Series speakers. We recommend you thoroughly read through the material contained

in this manual before connecting your speakers. This will ensure you have a good

understanding of how to setup your speakers for optimum performance and allow for

years of listening enjoyment.

Break-inPeriod

Allow 10-15 hours of listening time to adequately break-in the RBH CTx Series speakers.

As the speakers break-in, the driver suspension will loosen. The result of break-in will

be an increase in low frequency response, improved deﬁnition, and increased clarity

and detail.

CareandCleaning

To maintain speaker appearance, we recommend wiping them down with a clean and damp,

soft cloth. To clean dust from the grilles, use a vacuum with a brush attachment.

CTxSeriesLoudspeakers

C-4x

Features

At the heart of the RBH CTx Series speakers are proprietary aluminum cone midrange

woofers. Aluminum combines stiffness, low mass and self damping properties in a

manner which allows virtually uncolored presentation of program material.

A powerful magnet, extended voice coil and bumped back plate give the high excursion

capability. This ensures accurate dynamic reproduction. Each CTx Series speaker features

CTx Series loudspeakers shown here with partial grilles for a peek at the aluminum cone woofers

and silk dome tweeters. Both the MM-4x and C-4x are available in white and black

AttachingSpeakerWires

The CTx Series uses spring-loaded speaker wire terminals to

ﬁrmly hold either a pin connector or bare speaker wire. To

obtain a better connection, it is important to slightly tug

on the wires after they have been secured in the terminals.

This will cause the small teeth inside the connectors to

'bite' into the wire. It is recommended that you use wire

which is color-coded or marked on one side. If the distance

is less than 50 feet long from the ampliﬁer or receiver to

the speaker, use 16-gauge or larger wire; if the distance is

more than 50 feet long, use 14-gauge wire.

WARNING: Avoid routing the speaker wire near other electrical

wires, and avoid nailing or stapling the speaker wire.

1. Separate the last 4 inches of the speaker wire conductors

at each end of the wire.

2. Use a wire stripper to remove about ¼-inch of insulation

from the end of each conductor.

3. Twist the ends of each conductor to secure loose strands.

4. Connect the positive wire to the red terminal on the

back of the speaker by pressing down on the red positive

(+) terminal's tab, inserting the end of the positive

conductor, and releasing the tab.

5. Repeat this procedure to connect the negative conductor

to the black negative (-) terminal.

Features

an extensive crossover network. Steep acoustic slope crossovers are used to integrate

drivers. The use of steep crossover slopes allows for higher power handling, minimizes

driver interaction anomalies, and maximizes the ability of each driver in their respective

band of frequencies.

Cabinets are constructed of ﬁber-reinforced polymer matrix composite. The rounded inte-

riors prevent the “standing wave” effect resulting in clean, uncolored sound. The speakers

virtually disappear leaving only a deep, wide sound stage with pinpoint imaging. The MM-4x

and C-4x has metal keyhole mounts for direct wall mounting as well as female 1/4-inch 20

TPI threads in back and bottom (MM-4x only) for optional bracket mounting.

RoomSetupSuggestions

In order to obtain the best possible sound from your speaker system, it is important to

determine where the speakers will sound best in your listening room. Room reﬂections from

the ﬂoor, ceiling and side walls inﬂuence the balance, imaging and overall sonic quality

at the listening position. Experiment with speaker placement to determine which location

offers the best overall sound. As a general guide, use the room layout diagram and the

following descriptions when setting up a home theater system. Some speakers shown in

the diagram on the next page may not be applicable to your individual system.

Front Main Speakers

As a starting point, place your left and right front speakers at least 15 inches from the

wall and 7 feet apart from each other. The distance from the listening position to each

speaker should be close to the distance that separates the two main speakers. Angling

the speakers inward towards the listening position may give a more spacious and realistic

sound stage. The MM-4x speakers should be placed on stands which places the tweeters

close to ear height.

Center Channel Speaker

The C-4x Center Channel Speaker should be placed between both left and right main

speakers. Often this positioning dictates placing the speaker either directly above or

below a television monitor.

Surround Speakers

The Surround Speakers may be placed either above, behind or to the sides of the listening

position. The listening position should be centered between the surround speakers. For

best performance, you may want to experiment with angling the surround speakers either

towards or away from the listening position.

Subwoofer

Placement of the subwoofer will largely determine quality, quantity, and extension of the

bass frequencies within your listening room. Bass frequencies are reinforced by close room

boundaries. Placing the subwoofer in a corner will make the subwoofer sound louder and

boost the very lowest frequencies. Placing the subwoofer away from walls will provide

the least reinforcement, making the bass sound subjectively thinner than if the woofer

were close to a wall. Good results can usually be obtained by placing a subwoofer along a

wall 1-3 feet from a corner. Experiment with subwoofer placement and the sub-ampliﬁer

controls to achieve the proper bass balance.

RoomSetupSuggestions(continued)

NOTE: There are several different surround formats available. Dolby Pro-Logic, Pro-Logic II, Dolby Digital and

DTS generally have a 5 speaker plus subwoofer requirement. Dolby Digital EX and DTS ES add a center rear

speaker or Dolby TrueHD and DTS Master HD which is 7.1 format. Please consult your audio/video professional

to determine which system is best for you and how many speakers you will require.

Specications

Model

Speaker Type:

Frequency Response:

Sensitivity

Recommended Power:

Woofer:

Tweeter:

Crossover Frequency:

Crossover Slope:

Impedance:

Finish/Color:

Grille Color:

Dimensions:

Weight:

MM-4x

Bookshelf

100Hz-20kHz ±3dB

85db (2.38V @ 1M)

20-100 Watts

(1) 4” (102mm) Aluminum Cone

(1) 1” (25mm) Silk Dome

3,000 Hz

12dB/Octave

8 Ohms

Black or White Satin

Black or White Fabric

Width: 5-1/4” (133mm)

Height: 7-1/2” (191mm)

Depth: 4-3/4” (121mm)

3.1 lbs. (1.41 Kg)

C-4x

Center/LCR (Left, Center or Right)

100Hz-20kHz ±3dB

88db (2.38V @ 1M)

10-100 Watts

(2) 4” (102mm) Aluminum Cone

(1) 1” (25mm) Silk Dome

3,000 Hz

12dB/Octave

6 Ohms

Black or White Satin

Black or White Fabric

Width: 14” (356mm)

Height: 5” (127mm)

Depth: 4-1/2” (114mm)

6.5 lbs. (2.95 Kg)

No sound from

speakers

No sound from

one speaker

Very little bass

and/or imaging

Speaker wire not connected

Speaker selector on ampliﬁer is

not on

Balance control on receiver

or pre-amp is not centered

Speaker wire not securely

connected

Speakers are wired out of phase

Make sure wire is connected

at both the speaker and the

ampliﬁer observing proper

polarity

Activate proper selector on

ampliﬁer

Place balance control in the

center

Check all connections at

ampliﬁer and speakers

Check entire system for proper

polarity and make adjustments

as necessary

Troubleshooting

Probable Cause: Solution:

Situation:

Warranty

Your RBH Sound CTx Series speakers are covered by a limited warranty against defects in

materials and workmanship for a period of 5 years from the original date of purchase.* This

warranty is provided by the authorized RBH Sound dealer where the speaker was purchased.

Warranty repair will be performed only when your purchase receipt is presented as proof

of ownership and date of purchase. Defective parts will be repaired or replaced without

charge by your dealer’s store or the location designated by RBH Sound authorized to service

RBH Sound products. Charges for unauthorized service and transportation cost are not

reimbursable under this warranty. This warranty becomes void if the product has been

damaged by alteration, misuse or neglect. RBH Sound assumes no liability for property

damage or any other incidental or consequential damage whatsoever which may result from

the failure of this product. Any and all warranties of merchantability and ﬁtness implied

by law are limited to the duration of this express warranty. Some states do not allow

limitations on how long an implied warranty lasts, so the above limitations may not apply

to you. Some states do not allow the exclusion or limitation of incidental or consequential

damages, so the above limitation or exclusion may not apply to you.

* The CTx Series speakers are not intended for outdoor use. If used outdoors it is at owner’s discretion

and this warranty is void.

382 Marshall Way, Layton, Utah • USA • 84041

Toll Free: (800) 543-2205 • Fax: (801) 543-3300

rbhsound.com

It is RBH Sound policy to continuously incorporate improvements into our products; all speciﬁcations are subject to

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