Insignia NS-HT51 User Manual
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User Guide | Guide de l’utilisateur | Guía del Usuario
5.1 Home Theater Speaker Package
Ensemble de haut-parleurs 5.1 pour cinéma maison
Paquete de altavoces para cine en casa 5.1
NS-HT51
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Insignia NS-HT51
5.1 Home Theater Speaker Package
Contents
Welcome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Setting up your speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Care and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Legal notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
One-year limited warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Français . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Español. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Welcome
Congratulations on your purchase of a high-quality Insignia product.
Your NS-HT51 speaker system represents the state of the art in
home theater speaker design and is designed for reliable and
trouble-free performance. It will provide outstanding performance and
years of listening enjoyment. Take time to read through this manual
thoroughly to make sure that you get maximum performance out of
your new speakers.
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Safety information
RISK OF ELECTRIC SHOCK
Warning
To reduce the risk of electric shock, do not remove
the cover or back. No user serviceable parts
inside. Refer servicing to qualified service
personnel.
To reduce the risk of fire or electric shock, do not
expose your speakers to rain or moisture.
Dangerous high voltages are present inside the
enclosure.
Do not open the cabinet.
Caution
To prevent electric shock, match the wide blade on
the power cord plug to the wide slot on an electric
outlet. If the plug does not fit, consult a licensed
electrician to replace the obsolete outlet. Do not
modify the power cord plug, or you will defeat this
safety feature.
When replacing the direct plug-in power supply or
a separable, cord-connected power supply, the
replacement must be an exact duplicate or one
which has been recommended by the
manufacturer.
Insignia NS-HT51 5.1 Home Theater Speaker Package
CAUTION
DO NOT OPEN
This symbol indicates that there is
dangerous voltage within the enclosure
that may be of sufficient magnitude to
constitute a risk of electric shock.
This symbol indicates that there are
important operating and maintenance
instructions in the literature accompanying
your speakers.
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Insignia NS-HT51 5.1 Home Theater Speaker Package
Important safety instructions
1 Read these instructions.
2 Heed all warnings.
3 Follow all instructions.
4 Do not use your speakers near water.
5 Clean only with a dry cloth.
6 Do not block any ventilation openings. Install in accordance with
the manufacturer’s instructions.
7 Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades with one
wider than the other. A grounding type plug has two blades and a
third grounding prong. The wide blade or the third prong is
provided for your safety. If the provided plug does not fit into your
outlet, consult an electrician for replacement of the obsolete outlet.
8 Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the point
where they exit from your speakers.
9 Only use attachments or accessories specified by the
manufacturer.
10 Use only with a cart, stand, tripod, bracket, or table
specified by the manufacturer.
11 Unplug your speakers during lightning storms or
when unused for long periods of time.
12 Refer all servicing to qualified service personnel.
13 Servicing is required when your speakers have been damaged in
any way, such as the power supply cord or plug is damaged, liquid
has been spilled or objects have fallen into your speakers, your
speakers have been exposed to rain or moisture, do not operate
normally, or have been dropped.
14 Your speakers should not be exposed to dripping or splashing,
and no objects filled with liquids, such as vases, should be placed
on your them.
15 The main power switch is used as the disconnect device, so the
switch should always remain within easy reach for quick shutoff.
The standby switch does not disconnect the speaker system from
power.
The double insulation symbol indicates a
double-insulated product. In a double-insulated
product, two systems of insulation are provided
instead of grounding.
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Insignia NS-HT51 5.1 Home Theater Speaker Package
Features
Satellite/center channel speaker
• 0.75-inch (19 mm) balanced dome tweeter (center channel)
• 2.5-inch (64 mm) midwoofer
• 0.5-inch (13 mm) balanced dome tweeter (satellite)
• Video shielding for placement near a TV or monitor
• 5-way binding posts
• Injection-molded plastic cabinets
Subwoofer
• 8-inch (203 mm) cone
• High-efficiency amplifier
• Bass reflex enclosure with low noise vent
• Adjustable low-pass crossover frequency
• Adjustable volume control
• Phase switch
• Automatic signal-sensing control
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Insignia NS-HT51 5.1 Home Theater Speaker Package
Back of subwoofer
# Component Description
1 Left channel (high
level) input
2 Right channel
(high level) input
3 Auto signal switch This three-position switch controls the power status of
These binding post terminals for speaker wires accept
a stereo, speaker-level, full-range signal from a
receiver or power amplifier. This signal is processed
and amplified to power the subwoofer.
the subwoofer.
• Off: Turns the subwoofer off.
• Auto: Places the subwoofer in standby mode. In
standby, the subwoofer automatically turns on
when an audio signal is applied to either the high
(speaker) level or low (line) level inputs. In this
mode, the subwoofer will turn off about
15 minutes after the input signal has stopped.
• On: Turns the subwoofer on regardless of
whether a signal is present.
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# Component Description
4 Line level input These RCA jacks accept a line-level, full-range signal
5 Polarity switch This two-position switch allows the best match of
6 Status LED This shows the status of the subwoofer.
7 Subwoofer
crossover
(frequency)
8 Volume control
(gain)
9 Main power switch This switch controls the overall power status of the
10 Fuse For continued protection, replace the fuse with the
from the pre-amplifier or LFE output of a receiver or
preamplifier.
This full-range signal is processed and amplified to
power the subwoofer.
acoustic output between the subwoofer and the
satellite speakers in the crossover frequency region
between them.
• The 0° position maintains phase from input to
• The 180° position changes the polarity by 180°.
Try both settings and pick the one that sounds best.
• Red indicates that the amplifier is plugged in and
• Green indicates that the amplifier is operating
This rotary control sets the upper frequency at which
the output of the subwoofer begins to roll off.
Continuously variable from 60 Hz to 160 Hz, it
matches the upper frequency characteristics of the
subwoofer to the low-frequency response of the
satellite speakers.
Recommended setting: 150 Hz.
This rotary control adjusts the level of the subwoofer
and is used to balance its volume with that of the
satellite speakers.
subwoofer. It must be in the ON position for the
subwoofer to operate.
same type and size listed.
Insignia NS-HT51 5.1 Home Theater Speaker Package
output.
the power switch is either off or in standby mode
with no input signal present.
with a signal present at the input from the
pre-amplifier, receiver, or power amplifier.
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Insignia NS-HT51 5.1 Home Theater Speaker Package
Setting up your speakers
Positioning your speakers
The following illustration depicts the most generally accepted speaker
locations for a home theater system.
Center front
Right frontLeft front
45
Listening area
Left
rear
Subwoofer
Right
rear
Although there are limitless ways you can arrange your speakers,
using the above illustration as a template will provide a great starting
point. Experiment with slightly different speaker locations for
improved performance in your specific listening environment.
The left front and right front speakers should form a 45-degree
triangle, using the center seating position as the apex.
The rear speakers should be placed beside the listening area, and
pointed towards each other, about 2-3 feet above the listener’s head.
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Front speaker heights
One of the most important parameters for the front speakers in a
home theater system is their height. Refer to the following illustration
for an example of ideal speaker height placement.
In an ideal arrangement, all three speakers are aligned on the same
horizontal plane in relation to the viewing screen. This establishes a
firm “audio image” height when special audio effects are panned from
one side to the other, such as a speeding car moving across the
screen.
Proper placement
Insignia NS-HT51 5.1 Home Theater Speaker Package
A large “audio image” discontinuity (mismatch) occurs when the
heights of the front speakers vary, as illustrated below. This uneven
speaker arrangement makes the “audio image” of a moving object
sound unnatural due to shifts in the audio image height.
Improper placement
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Insignia NS-HT51 5.1 Home Theater Speaker Package
Connecting your speakers
Warning
Turn off all power to your subwoofer and other equipment
before making any connections.
Refer to the following illustration as a guide for connecting the
speakers using speaker-level (high-level) inputs.
Speaker-level inputs
FRONT
Left
rear
Left
front
CENTER SURROUND
Center
front
Right
front
A/V receiver
or amplifier
Right
rear
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Refer to the following illustration as a guide for connecting speakers
using line-level (subwoofer) inputs from A/V amplifiers and receivers
with 5.1-channel outputs.
Connect the subwoofer LFE output of a receiver to either the left or
right line-level RCA input jack. In this situation, a Y adapter could be
used but is not required. If you don’t have an LFE output, then left/
right pre-amplifier outputs can be connected to the left/right line-level
RCA input jacks.
Line-level inputs
Insignia NS-HT51 5.1 Home Theater Speaker Package
A/V receiver
or amplifier
FRONT
Left
front
Left
rear
Care and maintenance
Use the following guidelines to maintain the appearance of your
speakers:
• Use a soft, damp cloth to clean the speaker cabinet.
• Avoid using harsh detergents or cleaning fluids.
• Remove the grilles to vacuum and remove dust.
• Do not vacuum any of the speaker components, because
permanent damage could result.
CENTER SURROUND
Center
front
Right
front
A/V receiver
or amplifier
Right
rear
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Insignia NS-HT51 5.1 Home Theater Speaker Package
Troubleshooting
After you have set up your new speakers, they should give you years
of listening enjoyment with your favorite movies and music. However,
if you should experience a problem with your speakers, try these
troubleshooting steps to help diagnose and fix the problem.
Problem Solution
Subwoofer makes loud noises
when power is turned on.
Subwoofer has no output, and
Status LED is off.
Subwoofer has no output, and
Status LED is red.
Subwoofer has no output, and
Status LED is green.
Subwoofer has little output. • Input level control is set too low.
Subwoofer output is distorted
at high volume.
Subwoofer output is distorted
at low volume.
Subwoofer emits a hum or
buzzing noises.
• Muting circuit is defective. Return for repair.
• Line cord is not plugged in.
• Line fuse is blown. Unplug the line cord from the
wall outlet, then check the fuse.
• Internal fuse is blown. Return for repair.
• No signal is reaching the subwoofer. Check the
connections from the receiver or preamplifier.
• The power switch is off. Move switch to Standby
or On.
• Audio signal is present, but input level control is
set at the minimum.
• If using high-level inputs, right and left channels
are connected out of phase. Check the wiring.
• Volume of the subwoofer is too high, causing the
amplifier to be overdriven. Reduce the input level
control.
• The signal from the receiver, amplifier, or
preamplifier is distorted from being overdriven.
Reduce the main system volume or bass tone
control.
• Subwoofer electronics are defective. Return for
repair.
• The signal from the receiver, amplifier, or
preamplifier is distorted from defective
electronics.
• The signal connecting wires to the subwoofer
are shorted. Check the wiring.
• Subwoofer electronics are defective. Return for
repair.
• Grounding problem or ground loop condition.
Check the wiring.
• Isolate the problem by removing all connecting
cables and turning up the subwoofer input level
control. If noise is still present, subwoofer
electronics are defective. Return for repair.
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Specifications
Satellite/center-channel speaker
Driver complement Midwoofer: 2.5-inch (64 mm) shielded with
Frequency response 175 Hz~20 kHz
Impedance 8 ohms nominal
Power handling 50 W
Sensitivity 83dB@2.83V/1 m (3.28 feet)
Weight Satellite: 1.5 lbs. (0.68 kg)
Dimensions Satellite: 6.31 × 4 × 3.75 inches
Subwoofer
Driver complement Woofer: 8-inch (203 mm) high-excursion
Amplifier power 50 W RMS
Crossover frequency Continuously variable 60 Hz~160 Hz
Frequency response 33 Hz~160 Hz
Enclosure Bass reflex design
Weight 17.5 lbs. (7.94 kg)
Dimensions 14.33 × 11.81 × 13.15 inches
Insignia NS-HT51 5.1 Home Theater Speaker Package
paper cone, foam surround
Tweeters:
• 0.5-inch (13 mm) balanced dome
tweeter (satellite)
• 0.75-inch (19 mm) balanced dome
tweeter (center channel)
Center channel: 2.0 lbs. (0.91 kg)
(160 × 102 × 95 mm)
Center channel: 4.13 × 9.13 × 3.75
(105 × 232 × 95 mm)
woofer
(364 × 300 × 334 mm)
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Insignia NS-HT51 5.1 Home Theater Speaker Package
Legal notices
FCC Part 15
This device complies with Part 15 of the FCC Rules. Operation of this product is
subject to the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.
Canada ICES-003 statement
This Class B digital apparatus complies with Canadian ICES-003.
FCC warning
Changes or modifications not expressly approved by the party responsible for
compliance with the FCC Rules could void the user’s authority to operate this
equipment.
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Insignia NS-HT51 5.1 Home Theater Speaker Package
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