Cambridge SoundWorks Exercise Bike MC650HD User Manual

 
SPEAKER PLACEMENT  
The proper placement of speakers affects how well the AV  
surround system recreates the soundfield intended by the  
recording engineer. Current recording practice typically  
assumes a speaker array with a center channel speaker  
directly in front of the central viewing position. Left and right  
speakers are placed so they each form a 30 degree angle  
from the centerline. Left and right surround speakers should  
be 110 degrees from the centerline. Left and right rear  
speakers in a 7.1 system should be at 140 degrees. If a sin-  
gle rear speaker is used in a 6.1 system, it should be cen-  
tered on the rear wall. Front speakers should be as close to  
the height of the TV monitor as practical. Surround and rear  
speakers should be slightly higher. Recreate this speaker  
pattern as closely as your room and furnishings allow.  
RECOMMENDED DISTANCE  
APART FOR STEREO  
APPROX.  
EAR LEVEL  
20 - 55  
ANGLE  
Don’t be too concerned if your situation and listening envi-  
ronment dictate the speakers’ position. Most rooms do not  
allow ideal placement. Place your speakers as close to  
these guidelines as practical. The speakers will still provide  
convincing, lifelike sound.  
MAXIMUM RECOMMENDED DISTANCE  
APART FOR HOME THEATER  
MAIN SPEAKERS  
Your surround processor has a variety of adjustments to  
optimize the sound based on the speakers’ capabilities and  
placement. These adjustments vary by processor, so refer  
to your processor’s manual for instructions specific to your  
equipment. Set your main, center, and surround settings to  
“SMALL”, with subwoofer “ON”. If your processor allows you  
to adjust the crossover frequency, set it as close to 100Hz  
as possible.  
MAIN  
SPEAKER  
MAIN  
SPEAKER  
CENTER CHANNEL  
LEVEL  
SURROUND  
SPEAKER  
SURROUND  
SPEAKER  
WITH  
CENTER  
SPEAKER  
POWERED  
SUBWOOFER  
7.1 REAR  
SPEAKER  
7.1 REAR  
SPEAKER  
• Avoid placing front left and right speakers very close to a  
side wall (within 12-14 inches). The reflected sound from the  
wall degrades the sound coming directly from the speaker.  
3
 
WIRING THE SPEAKERS  
If you wish to conceal the wire within the walls, it is easiest  
to run the wires to their final positions prior to mounting the  
speakers.  
The spring loaded terminals of the MC650HD accept bare  
wire between AWG #12 and AWG #18 (lower numbers are  
thicker). It is not necessary to “tin” the wire or use connec-  
tors to terminate the wire.  
• Use at least AWG #18 speaker cable for short runs  
(under 15 feet). Use AWG #16 or heavier speaker cable  
for longer runs.  
Strip 1/2 inch  
• Building codes typically require plenum rated wire for  
installation within walls. Be sure to use wire that complies  
with any applicable local building codes. Plenum rated  
cable typically has an outer jacket with individually  
insulated conductors inside the outer jacket. Some brands  
of plenum rated cable may be too thick to fit the space  
between the wall mount bracket and the speaker. To use  
heavier plenum rated speaker cable with the wall mount  
brackets, remove the outer jacket and any filler cord back  
to the point where the wire exits the wall.  
Preparing the wires:  
1. Determine how long the speaker cable should be for  
each speaker. Cut the speaker cable into the  
appropriate lengths.  
2. Route the wire to each speaker location.  
3. Strip 1/2 inch of insulation from the two individual  
conductors in the speaker cable. Twist the exposed  
strands of bare wire together.  
4. Determine which conductor you will use to connect the  
positive terminals of the amplifier and speaker together.  
Printing or a ridge on the insulation usually distinguishes  
one of the two conductors. Sometimes the metal of the  
conductors has two different colors, or the insulation  
color of each conductor may be different.  
4
 
TO ATTACH THE WIRES  
1. Press the speaker’s red terminal to expose the hole in  
its shaft.  
2. Insert the stripped end of one cable’s positive conductor  
into the speaker’s red (+) terminal.  
3. Release the terminal to secure the connection. Make  
sure no stray strands of wire are present.  
4. Repeat the procedure for the cable’s other conductor  
and the speaker’s black (–) terminal.  
5. Connect the opposite end of the speaker cable to the  
speaker outputs of your receiver. Remember to  
observe channel and polarity (Left Positive, Left  
Negative, Right Positive, Right Negative).  
6. Repeat the process for each speaker.  
5
 
SPEAKER MOUNTING  
The MC650HD may be wall mounted or placed horizontally  
on a table top as a center-channel using the included  
hardware. Matching floor and table-top stands are available  
separately from Cambridge SoundWorks.  
Hanging the speaker on the wall:  
4.  
The MC650HD may be mounted either vertically or  
horizontally using the supplied wall bracket. Method #1 is  
recommended. Use Method #2 if there is insufficient  
clearance for Method #1.  
Method #1 – Use this method when mounting the speaker  
vertically when you have at least 21" clearance above the  
top of the wall mount bracket. Use this method whenever  
mounting the speaker horizontally.  
1.  
1. Using the wall mount bracket as a guide, mark at least  
four locations for mounting screws. It is best to use the  
holes at the four outermost corners. If concealing the  
wiring in the wall, position the bracket so that the wire  
exits the wall through the large hole in the center of the  
bracket. The wire should extend through the bracket  
approximately 12". Drill a 1/4" diameter hole and install  
wall anchors in each location. Refer to the instructions  
in the Appendix for proper use of the Toggler brand  
anchors included with this speaker.  
3.  
5.  
2.  
2. Attach the mounting bracket securely to the wall using  
four #10 screws.  
Note: Screw is already  
installed within speaker.  
Use philips screwdriver  
to tighten. (See #4)  
3. Attach the wire to the speaker terminals. Slide the  
speaker on the bracket from the top while guiding the  
wire through the channel between the speaker and  
bracket.  
4. Pull the speaker logo straight out to remove it. Use a  
philips screwdriver to gently tighten the lock screw  
concealed in the hole behind the logo to secure  
speaker to the bracket. Do not over-tighten. It only  
requires slight pressure! Pay attention to the wire  
location so that the screw does not penetrate the  
speaker wire. Install the logo so that the text is upright.  
6
 
SPEAKER MOUNTING  
Method 2 – Use this method to mount the speaker vertically  
when you have less that 21" clearance above the top of the  
speaker bracket. Always use method #1 when mounting the  
speaker horizontally, and whenever at least 21" clearance is  
available.  
1. Using the wall mount bracket as a guide, mark at least  
four locations for mounting screws in the elongated  
keyholes found at the four corners and center sides.  
It is best to use the holes at the four outermost corners.  
If concealing the wiring in the wall, position the bracket  
so the wire exits the wall through the large hole in the  
center of the bracket. The wire should extend  
approximately 12".  
2. Drill a 1/4" diameter hole and install plastic anchors in  
each location. Refer to the instructions in the Appendix  
for proper use of the Toggler brand anchors included  
with this speaker.  
3. Insert #10 screws in each anchor and tighten them until  
they extend approximately 1/4". Temporarily place the  
bracket in place and tighten the four mounting screws  
to the point that the bracket can still be be removed.  
You should have to supply slight pressure to slide the  
bracket back into place between the wall and screws.  
4. Pass the wire through the center hole of the bracket.  
Attach the wire to the speaker terminals. Slide the  
speaker on the bracket from the top while guiding the  
wire through the middle of the channel formed between  
the speaker and bracket.  
5. Pull the speaker logo straight out to remove it. Use a  
philips screwdriver to gently tighten the lock screw  
concealed in the hole behind the logo to secure the  
speaker to the bracket. Do not over-tighten. It only  
requires slight pressure! Pay attention to the wire  
location so that the screw does not penetrate the  
speaker wire. Install the logo with the text upright.  
Note: Screw is already  
installed within speaker.  
Use philips screwdriver  
to tighten. (See #4)  
6. Align the speaker and bracket assembly over the four  
screws and press downward about 1/2" so that the  
screws lock into the keyhole slots in the bracket. Guide  
any slack speaker wire back into the wall as you  
position the speaker.  
7
 
HORIZONTAL PLACEMENT  
To place horizontally on a tabletop or shelf:  
1. Attach two rubber hook-shaped stick-on feet  
symmetrically along the bottom edge of the speaker  
approximately 18" apart. If you are mounting the  
speaker on an uneven surface you may need to attach  
the feet closer to the center. Adapt the actual position  
to your needs. You may orient the speaker so that the  
terminals are at either end.  
2. Slide the rear support into the channel on the rear of  
the speaker until it is in the approximate center of the  
speaker. Orient it so the foot is along the same side as  
the rubber feet you installed in step 1.  
1.  
3. Tighten the set-screw finger-tight to stabilize the  
support.  
4. Remove the logo by pulling it straight out. Turn it 90  
degrees so that the text reads correctly. Press it back  
in place.  
3.  
2.  
4.  
8
 
SETTING BASS CONTOUR  
The switch located near the connection terminals optimizes  
the low frequency response of the speaker for wall or stand  
mounting.  
When the speaker is mounted on a speaker stand,  
away from the wall press the end of the switch marked  
with “|”.  
When the speaker is mounted on the wall or table,  
press the end of the switch marked with “O”. The upper  
bass range will be slightly attenuated to compensate for  
the increase in bass caused by wall reflection.  
The above recommendations should yield the most accurate  
response in each example, but they are optional. If you pre-  
fer the sound with settings opposite the above recommen-  
dations, feel free to use your settings instead.  
Automatic Tweeter Protection  
he MC650HD can be safely used with any receiver rated  
above 30 watts per channel. There is little advantage in  
using more power than 100 watts per speaker, but receivers  
above this power rating can be used so long as the receiver  
is not operated at distorted levels.  
To protect the tweeter, a self-resetting circuit breaker is  
incorporated into the MC650HD crossover network. If the  
speaker is overpowered for an extended period, this circuit  
breaker will open and the tweeter will be disconnected.  
When the volume is reduced or the overload has passed,  
the circuit will reset and normal operation will be restored.  
9
 
SPECIFICATIONS  
Appendix  
Warning About Excessive Amplifier Distortion:  
®BRAND  
Operating a receiver (of any power rating) beyond its  
maximum undistorted output level creates distortion –  
added high frequency sound not part of the musical program.  
Distortion dramatically increases the internal operating tem-  
perature of a speaker and will eventually cause the speak-  
er’s failure due to burned or melted internal parts. While  
Cambridge SoundWorks includes the most heat-tolerant  
parts commensurate with good acoustic design, the  
speaker’s Limited Warranty against defects in materials or  
workmanship does not apply to parts that fail from long-  
term operation at very high temperatures.  
TM  
®
AF6 ALLIGATOR  
Solid-Wall Anchors  
1
1/4"  
Drill 1/4" diameter hole — minimum hole  
depth 1 /2". Insert anchor and tap flush.  
1
2a  
Enclosure Cleaning  
Place item over anchor. Insert screw and  
tighten flush. For best results use screw  
gun for installation in solid walls.  
The speaker enclosures can be cleaned with a soft, damp  
cloth or mild cleaner.  
2b  
Brush or vacuum the grille panels with a soft brush  
attachment to your vacuum cleaner.  
In walls of minimum thickness 3/8",  
screw opens anchor and locks securely.  
Patented under U.S. Patent Nos. 4,752,170 and  
5,161,296; and foreign counterparts thereof.  
Other patents pending. TOGGLER and typeface,  
and ALLIGATOR are worldwide registered  
trademarks of Mechanical Plastics Corp.  
© 2002 MPC  
Specifications  
Dimensions: 25-3/8" H x 7-1/8" W x 3-15/16" D  
Weight: 14-1/2 pounds each  
Impedance: nominal 8 ohms  
Recommended amplifier power range: 20W – 100W RMS  
per channel.  
Frequency Range: 80Hz – 24kHz.  
Woofer Type: 4 x 3-1/2" with co-injection molded composite  
cones and butyl-rubber surrounds.  
Tweeter Type: 1/2" aluminum dome with ferrofluid-damping  
and neodymium magnet.  
Crossover: 2-1/2 way, series-connected with selectable  
wall-mounting compensation.  
Enclosure: High-density pressure-cast aluminum with  
molded-composite baffle.  
10  
 
WARRANTY  
LIMITED WARRANTY  
Cambridge SoundWorks,® a Creative company, warrants the  
following Cambridge SoundWorks  
6.Any product purchased outside the U.S.A., its  
possessions or territories.  
products for the periods indicated:  
Who may enforce the warranty:  
Loudspeakers for interior use without active amplifiers:  
5-year parts and labor from the product’s Date Of Purchase  
(DOP) from an authorized Cambridge SoundWorks retailer.  
This warranty may only be enforced by the original purchaser.  
WHAT CAMBRIDGE SOUNDWORKS, USA WILL PAY FOR:  
We will pay for all labor and material expenses for items  
covered by the limited warranty. Payment of shipping charges  
is discussed in the next section of this limited warranty.  
Powered Subwoofers for interior use:  
5-year limited parts and labor warranty on speaker ele-  
ments, passive circuitry and cabinet workmanship from  
DOP. 2-year limited parts and labor warranty on the active  
amplifier circuitry from DOP.  
How You Can Get Service:  
1. If you feel your unit needs service, contact Cambridge  
SoundWorks Return Authorization by calling toll-free (800)  
367-4434. If we agree service is required, we will provide  
you with a Return Authorization number. Please do not  
return your unit to the factory prior to obtaining a Return  
Authorization.  
Loudspeakers for exterior use:  
1-years parts and labor from the product’s DOP from an  
authorized Cambridge SoundWorks retailer.  
®
®
®
PCWorks, SoundWorks, and MicroWorks PC/  
Multimedia speaker systems:  
1-year limited parts and labor warranty from DOP from an  
authorized Cambridge SoundWorks retailer.  
2. You must pay any shipping charges to Cambridge  
SoundWorks. For repairs that are covered by this Warranty,  
Cambridge SoundWorks will pay the return shipping  
charges to any destination within the fifty United States.  
®
SoundWorks High Performance Table Radios and other  
electronics:  
Limitation of implied warranties:  
All implied warranties, including warranties of merchantability  
and fitness for a particular purpose, are limited in duration to  
the length of this warranty.  
1-years parts and labor from the product’s DOP from an  
authorized Cambridge SoundWorks retailer.  
What is covered and what is not covered:  
Except as specified below, this warranty covers parts and  
labor to correct all defects in materials and workmanship.  
The following are not covered by the warranty:  
Exclusion of damages:  
Cambridge SoundWorks, USA’s liability for any defective  
product is limited to repair or replacement of the product at  
Cambridge SoundWorks, USA’s option. Cambridge  
SoundWorks, USA shall not be liable for damage to other  
products caused by any defects in Cambridge SoundWorks  
product, damages based upon inconvenience or loss of use  
of the product, or any other damages, whether incidental,  
consequential, or otherwise.  
1.Damage, deterioration, malfunction or failure to meet  
performance specifications resulting from:  
a. Accident, acts of nature, misuse, abuse, neglect or  
product modification.  
b. Improper installation, removal or maintenance, or failure  
to follow instructions supplied  
with the product.  
c. Repair or attempted repair by anyone not authorized  
by Cambridge SoundWorks  
to repair the product.  
d. Any shipment of the product (claims must be presented  
to the carrier).  
How state law relates to the warranty:  
Some states do not allow limitations on how long an implied  
warranty lasts and/or do not allow the exclusion or limitation  
of incidental or consequential damages, so the above  
limitations or exclusions may not apply to you.  
e. Any cause other than a product defect.  
This warranty gives you specific legal rights, and you may  
also have other rights which vary from state to state.  
2.Cleaning, initial setup, checkups with no defects found, or  
charges incurred for installation, removal or reinstallation  
of the product.  
This warranty is enforceable only inside the U.S.A., its  
possessions or territories.  
3.Any product on which any serial number has been  
defaced, modified, or removed.  
Cambridge SoundWorks, Inc.  
120 Water Street  
4.Batteries.  
5.Accessories, including but not limited to batteries, cables,  
mounting hardware and brackets, cleaning accessories,  
antenna and detachable power cords.  
North Andover, MA 01845  
1-800-FOR-HIFI  
11  
 
P81-2190  
 

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