NHT C Series Manuel utilisateur

C-Series

Loudspeakers

C4 Tower

C1, C3 Bookshelf

C-LCR

now hear this.

Benicia, California

Designed and Engineered in the USA

Made in China

NHT’s C- Series represents our best efforts in passive loudspeaker design. The C- Series is based on the

same design fundamentals that established NHT’s reputation for accuracy and high perfomance, and adds

new driver and cabinet technology which reduce distortion and improve dispersion. The result is a more

articulate, more musical listening experience.

The following Setup Guide will help you unpack, connect, and place your new C- Series loudspeakers in your

listening room. If you are interested in specifications or in technology used in the design, please visit our web-

site at www.nhthifi.com and look up information on your specific model. If at any time during or after setup you

require assistance, feel free to call our Customer Hotline at 1-800-NHT-9993 (800-648-9993).

This Setup Guide addresses the following models: NHT C-1 and C3 bookshelf speakers, C-4 tower speaker

and C-LCR center channel/LCR.

Unpacking your Speakers

As you unpack your C-1, C-3 and C-LCR speakers, you will notice adhesive-backed, rubber bump-ons

included in the carton. You will need to stick these on the bottom of the speakers near the four corners if

you are placing these on a table or bookshelf. They will serve to keep the speaker from sliding around and to

protect the bottom surface from scratches.

The C-4 may require the help of a friend to unpack it due to its weight and size. The C-4 has a flat bottom

and comes with stabilizers that which attach to the bottom of the speaker. Position the speaker on its back

and prop up the bottom section with some of the foam packing materials. Fasten the stabilizers using the

supplied machine screws (See Fig. 1) using a philips head screwdriver. The stabilizers for the C-4 also include

rubber cones. The rubber cones are ideal for use on wood or tile floors. They can be adjusted if you have an

uneven floor and include a locknut to lock them down. We recommend you use metal cones when placing the

C-4 on heavy carpet flooring to add stability. Metal cones can be purchased at nhthifi.com.

Fig. 1

Placement

NHT’s C-3 and C-1 speakers can be placed on stands, on shelves or hung on the wall. Given the high perfor-

mance of these models, NHT recommends placement at close to ear level to achieve maximum fidelity. The

C-1 is a 2-way design and stereo imaging will benefit from a slight “toe-in” towards the listening position. The

rest of the C-series are all 3-way designs and can be placed without any toe-in angle.

If you decide to wall mount the C-3, there are threaded inserts on the rear of the cabinet for wall mounting.

NHT recommends the use of Vantage Point Bookself Mounts brackets. These are available at www.nhthifi.com

in the accessories section.

The C-LCR can be used as the main left & right, rear surrounds and center channel. Its dispersion character-

istics allow for horizontal or vertical orientation. However, if you are using the C-LCR as a center channel, you

should place it horizontally. Ideally, the center channel should be placed as close as possible immediately

above or below the television, with the tweeter closest to the TV (Fig. 2).

It is important to know that small changes in speaker position can have a notable effect on sound quality. Mov-

ing speakers closer to walls or corners will increase mid-bass output, but may result in artificial “boominess”.

Placing them farther away from room boundaries tends to decrease bass output yet improve stereo imaging

and detail. We recommend a distance of 6” – 12” from the rear wall if possible.

Room furnishings also play a significant role. Soft furnishings (e.g. sofas, carpets, and curtains) tend to absorb

mid and high frequencies, which can result in perceived dullness, whereas hard surfaces and sparse furnish-

ings tend to have the opposite effect.

Thus, experimenting with the effects of different placements in your own listening environment is the key to

finding the sound you like best.

Fig. 2

Here are some tips for maximizing the performance of your speaker system:

► Positionthespeaker1.5timesasfarawayfromyouastheyarefromeachother.(Fig.3)

► LeftandRightspeakersshouldbeequidistantfromthelisteningposition.

► Trytokeeptweeterheightclosetoearlevelwheninthelisteningposition.

► Bookshelfspeakersshouldbeplacedupright.

► Trytokeepthespeakersflushwiththefrontedgeofshelvesorcabinets.

► TheC-Seriesshouldnotrequirelongbreakintime,playmusicforanhourorsoissufficient.

For surround systems, use the same basic setup (all shown in Fig. 4) and when possible:

►Place the C-LCR center channel speaker right above or right below the TV. If you need a wall mount,

checkoutthePinpointAM-15availableatwww.nhthifi.comontheaccessoriessection.

► Placetherearspeakersinanequilateraltrianglewiththelisteningposition,atleast5’apart.

►Rear speakers should be at the same height, or higher than, the front channels.

Fig. 3

Fig. 4

Unfortunately many rooms will not allow ideal placement. As a general rule, try to keep the rear channel

speakers equidistant from the center of the listening area. If the rear speakers have to be close to the main

seating area, we recommend adding time delay in your surround processor to make them seem farther away,

and make sure they are placed, above the heads of the listeners.

Connections

Before connecting your C-Series speakers to the receiver/amplifier, turn off the AC power to

avoid potential damage to your components.

The terminals on the back of your speakers accept raw wire, banana plugs or spade lugs. Note that these

terminals should be tightened only by hand, as excessive force can break them. We recommend your speaker

wire be at least 16 gauge, 14 gauge for longer runs.

Prepare the wires by stripping 1/4” - 3/8” of insulation from the ends and tightly twist the exposed strands.

Finally, connect your speakers to your amplifier or receiver, making sure that the speakers are “in phase,”

that is, the same half of the wire pair connected to the Positive terminal (+, usually red) on both the amplifier

and the speaker. The other half of the same wire connect to the Negative (-, usually black) terminals on both

amplifier and speaker.

Most speaker wire has one half of the pair marked with either lettering, ridges, the “+” sign or color to help you

make the proper connections.

Before powering up the receiver/amplifier, make sure there are no stray strands from one terminal touching the

other terminals.

Operation

All NHT C-Series speakers are compatible with most amplifier power ranges and are designed to handle a

wide range of listening levels. Every speaker, however, has limits. Speaker damage most often occurs from

sustained high volume levels in some or all frequencies. Try to avoid excessive bass or treble settings or

equalizer boosts.

The best tool you have is your ears. If you hear unusual distortion or breakup, decrease the volume immedi-

ately. If you are unsure, place your hand close to the woofer. If you feel heat radiating from the driver, you are

playing the system beyond its limits.

Maintenance

Your NHT speakers will require little if any maintenance under normal use. Try to avoid exposing them to

direct, sustained sunlight, high temperatures or moisture. Cabinets can best be dusted using a clean, soft

chamois cloth. The finish on your speakers is durable but dry rough cloth and/or excessive force can leave fine

scratches over time. Try to avoid using liquid cleaners and household furniture polish, particularly around the

speaker components. To clean the grilles, remove them from the speaker and use a soft brush or a vacuum on

its lowest setting. Do not attempt to clean the speaker components.

Satisfaction

We hope you enjoy the sound of your NHT C-Series speakers as much as we do. Your warranty is printed

on the back of this Setup Guide. Once again, if you have any questions or problems, please call us at our

Consumer Hotline. 1-800-NHT-9993

Specifications

Specifications are subject to change without notice.

C-1

System type

Bookshelf speaker

Configuration

2-way acoustic suspension design

Woofer

5.25” polypropylene cone

Tweeter

1” aluminum dome

Frequency Response

70Hz-20kHz (in room)

Sensitivity

84dB (2.83v@1m)

Impedance

6 ohms nominal, 4 ohms min.

Recommended Power

35 - 100 w/ch

Inputs

Nickel plated

5-way binding posts

Dimensions

9.625" x 5.75" x 7.5" (H x W x D)

Weight

8 lbs.

Finish

High Gloss Black, White

Sold

Individually

C-LCR

System type

Left, Center, Right

Configuration

Acoustic suspension design

Woofer

(2) 6.5” aluminum cone

Midrange

2“ aluminum dome

Tweeter

1” aluminum dome

Frequency Response

55Hz-20kHz (in room)

Sensitivity

86dB (2.83v@1m)

Impedance

8 ohms nominal, 6 ohms min.

Recommended Power

75 - 200 w/ch

Inputs

Nickel plated

5-way binding posts

Dimensions

7.125" x 21.125" x 9" (H x W x D)

Weight

21.5 lbs.

Finish

High Gloss Black

Sold

Individually

C-4

System type

Tower Speaker

Configuration

4-way acoustic suspension design

Woofer

(2) 6.5” aluminum cone

Lower Midrange

6.5” aluminum cone

Midrange

2“ aluminum dome

Tweeter

1” aluminum dome

Frequency Response

45Hz-20kHz (in room)

Sensitivity

84dB (2.83v@1m)

Impedance

8 ohms nominal, 5 ohms min.

Recommended Power

75 - 250 w/ch

Inputs

Nickel plated

5-way binding posts

Dimensions

41” x 7.5" x 11.75" (H x W x D)

Base

14” x 5" (W x D)

Weight

46.6 lbs.

C-3

System type

Bookshelf speaker

Configuration

3-way acoustic suspension design

Woofer

6.5” aluminum cone

Midrange

2“ aluminum dome

Tweeter

1” aluminum dome

Frequency Response

48Hz-20kHz (in room)

Sensitivity

85dB (2.83v@1m)

Impedance

6 ohms nominal, 4 ohms min.

Recommended Power

50 - 150 w/ch

Inputs

Nickel plated

5-way binding posts

Dimensions

13.75" x 7.5" x 10.125" (H x W x D)

Weight

16 lbs.

Finish

High Gloss Black

Sold

Individually

Sold

Individually

Finish

High Gloss

Black

Limited Warranty

Valid Only in the U.S.A.

Warranty Period

Foraperiodof5yearsforpartsand5yearsforlabor(1yearpartsand90dayslaborforelectronics)fromthedatethis

product is first purchased from an authorized NHT dealer, Now Hear This (NHT) warrants that if it fails to function properly

due to a manufacturing defect, despite its being installed and operated according to these instructions and used under

normal conditions, it will be either replaced or repaired with new or rebuilt parts (both at NHT’s option) with a unit of com-

parable value without charge to you.

What’s Not Covered

Altered, defaced or removed serial numbers void this warranty.

This warranty does not cover any product used in trade, business, industrial or commercial applications.

This warranty also does not cover the cabinet or appearance factors, or costs, defects or damage resulting from misuse,

abuse, accident, improper maintenance, alterations or modifications not authorized in writing by NHT, or parts or labor

from any source other than an authorized NHT service location.

Damage due to power exposure in excess of the speaker’s published power ratings; ie, overpowering, lightning or power

surges, are also not covered.

Your Rights

This warranty gives you specific legal rights, and you may have other rights which vary from state to state.

NHT limits this warranty to the purchase price of the product, excludes incidental or consequential damages, and limits

its obligations under any implied warranties under state laws to a period not exceeding their warranty periods. As some

states do not allow the above limitations, however, they may not apply to you.

To Obtain Service

To find the name and address of the nearest authorized NHT service location, call or write:

CustomerServiceDepartment,NHT,140WestIndustrialWay,Benicia,CA94510,1-800-NHT-9993(648-9993),

www.nhthifi.com

For your future convenience, please keep this warranty with your sales receipt, and record date and place of purchase for

further reference.

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