Specifications

Section
4
page
97
Professional Audio
4
MCMelectronics.com
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8" Public Address Speakers
MCM Custom Audio provides a wide range of ceiling speakers to suit most commercial paging and background music
requirements. Their standard 8" size and good frequency response also makes them ideal full range replacement drivers
in low cost speaker enclosures. #555-6381 feature moderate power capacity and are ideal for most background and paging
situations. High efficiency, high reliability and low cost make these the contractors choice, especially in systems requiring
large numbers of speakers. When wider frequency response is important, #555-6386 feature two-way design, providing
highs up to 20KHz. For more demanding foreground music applications, #555-6390/6391 feature a large 17 oz. magnet
and treated cloth surround, providing 60W peak power capacity and increased bass response. All models are available as
standard 8ohm or with a pre mounted 70V/25V transformer. Each is compatible with standard ceiling baffles (#50-150),
T-bar supports (#555-9021) and surface mount wall baffles (#555-915).
8" Two-Way Speakers
•Power capacity: 10W/20W
RMS/peak •Frequency
response: 50Hz~20KHz •Magnet
weight: 10 oz. •Tweeter size: 2"
•Voice coil diameter: 1" •Sensitivity:
86dB •Transformer taps: 0.63W, 1.25W,
5W and 10W •Transformer
Order # MSRP (1-3) (4-9) (10-up)
555-6386 $31.58 $18.99 $16.95 $13.89
8" Dual Cone Speaker
•Power capacity:
10W/20W RMS/peak
•Frequency response:
50Hz~16.5KHz
•Magnet weight: 10 oz.
•Voice coil diameter: 1"
•Sensitivity: 86dB •Optional
transformer: 10W •Transformer
taps: 0.63W, 1.25W, 5W and 10W
Order # Transformer MSRP (1-3) (4-9) (10-up)
555-6381 Yes $24.65 $15.99 $14.79 $13.99
8" Heavy-Duty
Two–Way Speaker
•Power capacity:
30W/60W RMS/peak
•Frequency response:
40Hz~20KHz •Magnet weight:
17.7 oz. •Treated cloth surround
•Tweeter size: 2" •Voice coil
diameter: 1.25" •Sensitivity:
88dB •Optional transformer: 30W
•Transformer taps: 10W, 15W, 20W and 30W
•Note: #555-6391 includes a large backplate mounted
transformer which requires additional mounting space.
Overall depth: 5
3
⁄8"
Order # Transformer MSRP (1-3) (4-9) (10-up)
555-6390 No $31.58 $18.99 $16.95 $13.89
555-6391 Yes 44.92 26.99 24.95 22.95
Ceiling Tile Speaker
This speaker/baffle
combination is designed
to install quickly and
easily in standard drop
ceilings. It will drop
directly into standard 2' x
2' ceiling grids, plus a 2'
crossbar rail is included
for installation in 2' x 4'
grids. Smooth–vent façade blends seamlessly with any
commercial drop ceiling environment. Features: •8" poly
cone woofer with rubber surround •
3
⁄4" mylar dome tweeter
•8ohm/25V/70V compatibility •Rotary transformer tap
selector •Easy push terminal connection Specifications:
•Power capacity: 30W/60W RMS/peak •Frequency
response: 50Hz~20KHz •Sensitivity: 90dB (W/M)
•Transformer settings: 1.25W, 2.5W, 5W, 10W, 20W
and 8ohm •Dimensions: 23
3
⁄4" x 23
3
⁄4" x 6" •Weight:
7.1lbs. •Mfr. #SP-CT8/T •Sold individually
Order # (1–3) (4–up)
555-5615 $87.99 $82.95
Back Box Enclosure
for 8" Speakers
Use with ceiling grills and wall
baffles to protect and enhance the performance of most
8" installed speakers. One piece CRS construction is
undercoated and patch–jute lined, and finished in black
epoxy. Each includes four
1
⁄2"~
3
⁄4" knockouts, four “J” clips
and one flexible perforated mounting strap. Conical shape
allows easy transportation and storage of large quantities
of units. Dimensions: 4
1
⁄2" (H) x 9
3
⁄4" (dia.). Outer flange
diameter: 11
3
⁄4". Mfr. #CS95-8.
Order # ONLY
555-6622 $6.59
Drop Ceiling Support for Ceiling Speakers
Ceiling support is designed specifically for use with
commercial paging and background music speakers when
installed in drop ceilings. It places the weight load on the
T-bar ceiling grid, instead of the ceiling tile, preventing
tiles from sagging over time. It is compatible with
virtually all 8" diameter full range and coaxial
speakers when used with the MCM #50-150
or similar ceiling baffles. •Overall dimensions:
23
1
⁄4" x 14
1
⁄2" •Sold individually
Order # MSRP (1-3) (4-up)
555-9021 $12.95 $8.99 $7.95
Deep Recess
Back Box for
8" Speakers
Use with ceiling grills and wall
baffles to protect and enhance the
performance of most 8" installed
speakers. Heavy gauge CRS
enclosures are undercoated and lined with 1
1
⁄2"
thick high–density fiberglass. Deep design provides
0.449ft
3
internal volume for enhanced low frequency
performance. Dimensions: 7" (H) x 11
7
⁄8" (dia.).
Mfr. #95-8-7.
Order # (1–3) (4–up)
555-6621 $29.99 $24.95
Deluxe Woodgrain
Wall Baffle
Sloped front wall
for 8" speaker.
Order # (1-3) (4-up)
555-915 $12.99 $11.99
Ceiling and Wall Grill for
8" Speakers
•Hardware included •White
Order # (1-9) (10-24)
50-150 $6.99 $6.29
8" Speaker Enclosure
Protective steel enclosure for
8" speakers with mounting
ring attached. Ring: 12
1
⁄4"
(dia.) Enclosure: 9
5
⁄8" (dia.) x
4" (D). Weight: 2 lbs. Mfr. #RE84.
Order # ONLY
80-1340 $12.99
Ceiling
Speaker
✔Efficient 8" dual
cone design
✔Open back design
✔Built-in volume control
✔For use with 70V systems
Perfect for background music and paging in office
facilities, waiting rooms, restaurants and other public
areas. Specifications: •Power capacity: 10W/15W RMS/
peak •Frequency response: 50Hz~16.5KHz •Impedance
8ohm •Magnet: 10 oz. ceramic •Voice coil: 1"
•Transformer taps: 0.63W, 1.25W, 2.5W, 5W and 10W
Order # (1-3) (4-9) (10-up)
55-500A $29.99 $27.95 $24.95
Compact On-Wall
Speaker System
Single piece speaker
is perfect for general
purpose paging and
background use. Smooth
half-moon shape provides
attractive, low profile
appearance. Open back
enclosure simply hangs on
the wall surface, much like
a picture. No holes in the
wall are needed other than
to route the speaker wire.
Lightweight construction enable unit to be supported by
commonly available drywall anchors. Features: •Micro
perforated cloth backed metal grill •Dual cone speaker for
enhanced high frequency response •70V transformer for
use with distributed systems •Speaker is easily bypassed
for conventional 8ohm use •Screw terminal strip accepts
up to 16AWG wire Specifications: •Power capacity:
10W/20W RMS/peak •Frequency response: 80Hz~20KHz
•SPL: 88dB (W/M) •Transformer taps: 1.5W, 3W, 6W
•Dimensions: 11" (H) x 8
1
⁄8" (W) x 3
1
⁄2"
•Sold individually
Order # MSRP (1-3) (4-9) (10-up)
555-8575 $29.95 $17.99 $15.00 $13.50