Audio Systems
OWNER’S MANUAL
CEILINGꢀSPEAKERS
C500 • C605 • C610 • C620 • C640
C645 • C790 • C800 • C850
SPEAKERꢀPLACEMENT
Before installing your speakers, you should consider their
placement carefully, taking into account the location of
electrical, plumbing and other fixtures. Contact your Dealer
for assistance if you are unsure of the best location for your
particular listening environment.
Note: To avoid possible damage to the pivoting tweeters, read the
section entitled “SPEAKER ADJUSTMENTS” in this manual prior to
performing the tweeter adjustment.
In a very large room with high ceilings, it may be necessary to
place additional speakers throughout the room. Contact your
Proficient Audio Systems Dealer for assistance.
Placement In Ceiling: When placing your speakers into the
ceiling, they should ideally be located above the primary lis-
tening area. If the speakers are positioned far away from the
primary listening area, adjust the pivoting tweeters so they are
pointed towards it.
MOUNTINGꢀSURFACEꢀPREPARATION
New Construction - Unfinished Ceilings
3. Mark the hole. A template for setting the hole is provided
in the box (along with two paint mask inserts for use when
painting). Position the template in the desired position and
pencil an outline on the ceiling.
A Pre-Construction Bracket, available from your Dealer, may
be installed prior to drywall application across joists (up to
24" on-center) where a speaker will be located. After the hole
is cut and the drywall is installed, the speakers are then easily
installed following the instructions for mounting in “Finished
Ceilings” below. Note: If the speakers are to be mounted more
than 24" on-center, a special “Extra Long Wing” is available from
your Dealer.
4. Cutting the hole. CAUTION: This is the most important part
of the entire installation. If you are not certain whether any
obstructions exist behind the desired mounting area, you
should start by cutting a small hole in the center of your
penciled mounting hole with a drywall saw, cutting at a 45˚
angle towards the inside of the hole. (See Diagram 1) Cutting
the small hole at this angle will make drywall repair much
easier, using the piece cut out. Once you have determined
that there aren’t any obstructions in your desired mounting
location, start cutting the finished hole at a 90˚ angle to the
ceiling surface.
Finished Ceilings
Prior to the actual installation of the speakers, it will be neces-
sary to run cables to the speaker locations. See your Dealer for
more information about cable installation. After the cable has
been properly installed, you are ready to mount the speakers.
Following the simple steps listed below will result in a profes-
sional looking installation:
1. Determine the best area to mount your speakers. This area
of the ceiling should be free of obstructions such as electri-
cal conduit, HVAC ducts, or water lines. This can best be
determined by noting the placement of fixtures and gaining
access to an attic or crawl space for further analysis of the
location of such obstacles.
Diagram 1:
Ceiling Cut Out
2. Find the joists nearest the desired speaker mounting loca-
tion. We highly recommend using a good stud-finder tool
for this procedure. If you are lining up the speakers to some
other object or molding in the room, make sure you con-
sider the size of the baffle flange which extends beyond the
mounting hole.
5. Add insulation. If the area in the ceiling is not already
insulated, add an adequate amount insulation material to
loosely cover the back of the speaker. If the insulation mate-
rial used is faced with foil or paper, position the foil or paper
away from the speaker.
SPEAKERꢀSPECIFICATIONS
C500ꢀ
C605ꢀ
C610ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Speaker Type:
2-Way Coaxial In-Ceiling
2-Way Coaxial In-Ceiling
2-Way Coaxial In-Ceiling
Pivoting 1" Soft Dome
Tweeter:
Pivoting 1" Polyamide Dome
3" Soft Dome
Woofer:
51" Polypropylene Cone
with Rubber Surround
61" Polypropylene Cone
with Rubber Surround
61" Polypropylene Cone
with Rubber Surround
Impedance:
8 Ω
8 Ω
8 Ω
Sensitivity:
90dB 1W/1m
–
90dB 1W/1m
–
91dB 1W/1m
–
Contour Switches:
Frequency Response:
Power Handling:
Diameter x Depth:
Ceiling Cut Out:
40Hz - 20kHz
75 watts
73" x 31"
611⁄16"
45Hz - 20kHz
75 watts
91" x 35⁄8"
81"
40Hz - 20kHz
85 watts
91" x 35⁄8"
81"
C620
C640ꢀ
C645ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Speaker Type:
2-Way Coaxial In-Ceiling
2-Way Coaxial In-Ceiling
Pivoting 1" Aluminum Dome
2-Way Coaxial In-Ceiling
Tweeter:
Pivoting 1" Silk Dome
Pivoting 1" Aluminum Dome
Woofer:
61" Polypropylene Cone
with Rubber Surround
61" Graphite Cone
with Rubber Surround
61" Kevlar Cone with Cast
Magnesium Woofer Basket
and Rubber Surround
Impedance:
8 Ω
8 Ω
8 Ω
Sensitivity:
91dB 1W/1m
–
92dB 1W/1m
92dB 1W/1m
Contour Switches:
Front-Mounted 2-Position
+3dB Bass & Treble Switches
Front-Mounted 2-Position
+3dB Bass & Treble Switches
Frequency Response:
Power Handling:
Diameter x Depth:
Ceiling Cut Out:
36Hz - 20kHz
100 watts
91" x 35⁄8"
81"
32Hz - 22kHz
125 watts
91" x 35⁄8"
81"
32Hz - 22kHz
150 watts
91" x 35⁄8"
81"
ꢀ
ꢀ
ꢀ
ꢀ
C790
C800
C850ꢀ
ꢀ
Speaker Type:
2-Way Coaxial In-Ceiling
2-Way Coaxial In-Ceiling
Pivoting 1" Aluminum Dome
2-Way Coaxial In-Ceiling
Pivoting 1" Aluminum Dome
Tweeter:
Pivoting 1" Soft Dome
Woofer:
8" Polypropylene Cone
with Rubber Surround
8" Graphite Cone
with Rubber Surround
8" Kevlar Cone with Cast
Magnesium Woofer Basket
and Rubber Surround
Impedance:
8 Ω
8 Ω
8 Ω
Sensitivity:
92dB 1W/1m
–
92dB 1W/1m
92dB 1W/1m
Contour Switches:
Front-Mounted 2-Position
+3dB Bass & Treble Switches
Front-Mounted 3-Position
3dB Bass & Treble Switches
Frequency Response:
Power Handling:
Diameter x Depth:
Ceiling Cut Out:
36Hz - 20kHz
125 watts
111⁄8 " x 41"
97⁄8"
28Hz - 22kHz
150 watts
111⁄8 " x 41"
97⁄8"
28Hz - 22kHz
175 watts
111⁄8 " x 41"
97⁄8"
Features and specifications are subject to change without notice.
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LIMITEDꢀTEN-YEARꢀWARRANTY
Proficient Audio Systems warrants to the original retail pur-
chaser only that this product will be free from defects in
materials and workmanship for a period of ten years, provided
the speaker was purchased from a Proficient Audio Systems
Authorized Dealer.
This Warranty does not include service or parts to repair dam-
age caused by accident, disaster, misuse, abuse, negligence,
inadequate packing or shipping procedures, commercial use,
voltage inputs in excess of the rated maximum of the unit, or
service, repair or modification of the product which has not
been authorized or approved by Proficient Audio Systems. This
Warranty also excludes normal cosmetic deterioration caused
by environmental conditions. This warranty will be void if the
Serial Number on the product has been removed, tampered
with or defaced.
Defective products must be shipped, prepaid and insured,
together with proof of purchase, to the Proficient Audio
Systems Authorized Dealer from whom they were purchased,
or to Proficient Audio Systems at the address listed on this
installation instruction manual. Freight collect shipments will
be refused. It is preferable to ship this product in the original
shipping container to lessen the chance of transit damage. In
any case, the risk of loss or damage in transit is to be borne by
the purchaser.
This Warranty is in lieu of all other expressed warranties. If
the product is defective in materials or workmanship as war-
ranted above, the purchaser’s sole remedy shall be repair or
replacement as provided above. In no event will Proficient
Audio Systems be liable for any incidental or consequential
damages arising out of the use or inability to use the product,
even if Proficient Audio Systems. or a Proficient Audio Systems
Authorized Dealer has been advised of the possibility of such
damages, or for any claim by any other party. Some states do
not allow the exclusion or limitation of consequential dam-
ages, so the above limitation and exclusion may not apply.
If, upon examination at the Factory or Proficient Audio Systems
Authorized Dealer, it is determined that the unit was defec-
tive in materials or workmanship at any time during this war-
ranty period, Proficient Audio Systems or the Proficient Audio
Systems Authorized Dealer will, at its option, repair or replace
this product at no additional charge, except as set forth below.
If this model is no longer available and can not be repaired
effectively, Proficient Audio Systems, at its sole option, may
replace the unit with a current model of equal or greater value.
All implied warranties on the product are limited to the duration
of this expressed Warranty. Some states do not allow limitation
In some cases where a new model is substituted, a modification on the length of an implied warranty. If the original retail pur-
to the mounting surface may be required. If mounting surface
modification is required, Proficient Audio Systems assumes
no responsibility or liability for such modification. All replaced
parts and product become the property of Proficient Audio
Systems. Products replaced or repaired under this Warranty will
be returned to the original retail purchaser, within a reasonable
time, freight prepaid.
chaser resides in such a state, this limitation does not apply.
For technical inquiries please call 800.448.0976 or email us at techsupport@proficientaudio.com. We are available to assist you
every weekday, except holidays, between the hours of 7:00 a.m. and 5:00 p.m. PST.
Audio Systems
940 Columbia Avenue, Riverside, CA 92507
800.448.0976 • Fax 951.787.8747 • proficientaudio.com
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