Specifications

4
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Professional
Audio
section
4
MA Series Ceiling Speaker
Completely enclosed ceiling speaker is the ideal all–purpose solution, covering a
wide variety of distributed commercial and residential sound applications. Internal
25V/70V transformer taps are easily selected via the front baffle, allowing final
volume balancing to be done after installation. 8ohm position is provided for
residential applications. Rear back box provides protection to the speaker plus
consistent sound, regardless of location. Polypropylene cone woofers and ported
enclosures provide extended frequency response typical of much higher cost units.
Features: •Rubber surround woofers •1" mylar dome tweeter •Fire retardant ABS
rear enclosure •White ABS frame with rotating mounting clips •Easily installs to
existing wallboard •Transformer taps: 0.25W, 0.5W, 1W, 2.5W, 5W, 7.5W, 15W, 30W,
40W (#50-7536 only) •Sold individually
Woofer Power Capacity Frequency SPL Overall Frame Cutout
Order # Size RMS/Peak Response (W/M) Diameter Hole (1–3) (4–11) (12–up)
50-7535 5
1
⁄4" 30W/60W 57Hz~20KHz 87dB 9.9" 8.2" $45.95 $39.95 $36.75
50-7536 6
1
⁄2" 40W/80W 34Hz~20KHz 88dB 11.42" 9.74" 54.95 46.95 43.75
Nexus Contractor™ Series Ceiling Speaker Pairs
This line offers premium speaker components and a heavy–duty metal back can. The
rear enclosure provides protection to the rear of the speaker from dust and debris in
the ceiling, and combines with a front baffle port to provide enhanced low frequency
response. Features: •Poly coated woofer with rubber surround •PEI dome tweeter
•8ohm/70V compatibility •Transformer tap selector is hidden behind the grill, but
accessible from the front after installation •Detachable screw terminal strips
•Included drop ceiling tile support brackets •Metal safety loop for support cable
•Detailed information may be found at www.mcmelectronics.com •Sold in pairs
Woofer Power Capacity Frequency Overall Required
Order # Mfr. # Size RMS/Peak Response Diameter Cutout Depth (1-3 prs.) (4 prs.-up)
555-5600 SP-4NXT/C 4" 10W/30W 60Hz~20KHz 8" 7" 8
1
⁄2" $135.00 $125.00
555-5601 SP-5NXT/C 5
1
⁄4" 60W/120W 50Hz~20KHz 9
3
⁄4"8
1
⁄2"8
1
⁄8" 149.00 139.00
Indoor/Outdoor Speaker Column
Vertical sound column is suitable in
commercial and institutional environments
for background music and paging
applications. Five 2
1
⁄2" full range drivers
are vertically aligned in a weatherproof
aluminum housing to provide good sound
fidelity and high efficiency in any
environment. Features: •25V/70V and
8ohm compatibility •Rotary transformer
tap selector •Included wall bracket
Specifications: •Power capacity:
20W/40W RMS/peak •Transformer
taps: 5W, 1W, 20W and 8ohm •Sensitivity:
94dB (W/M) •Dimensions: 24.375" (H) x
4.125" (W) x 3" (D) •Mfr. #SC-20T
•Sold individually
Order # (1-3) (4-up)
555-5605 $74.00 $69.00
Indoor/Outdoor Speaker Column
Vertical sound column is suitable in
commercial and institutional environments
for background music and paging
applications. Four 6
1
⁄2" full range drivers
are vertically aligned in a weatherproof
aluminum housing to provide very good
sound fidelity and high efficiency in any
environment. Features: •25V/70V and
8ohm compatibility •Rotary transformer
tap selector •Included wall bracket
Specifications: •Power capacity:
20W/40W RMS/peak •Transformer taps:
20W, 40W and 8ohm •Sensitivity: 94dB
(W/M) •Dimensions: 36" (H) x 9" (W) x 5"
(D) •Mfr. #SC-40T •Sold individually
Order # (1-3) (4-up)
555-5610 $164.00 $155.00
20 Watt Sound Column
This versatile sound column
can be utilized for residential
or commercial application.
Wall brackets and provisions
for mounting a line transformer
are included. Specifications:
•Power output: 20W •Max
power output: 35W •Frequency
response: 70~10KHz
•Impedance: 8ohm •Drivers:
Four 5" drivers •Housing:
Walnut grain finish
Order # (1-3) (4-up)
555-910 $76.95 $63.95
Deluxe Woodgrain
Wall Baffle
Sloped front wall
for 8" speaker.
Order # (1-3) (4-up)
555-915 $12.10 $11.35
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 $82.95 $77.95
Mini In/Outdoor
Speaker Pairs
All weather design makes
these the ideal choice for
both indoor and outdoor sound
installations, especially when
space is limited. Included “U”
brackets and wedge design
allow a wide variety of mounting
capabilities. Available in 8ohm or
25V/70V transformer configurations,
they are perfect for most residential or commercial
sound applications. Features: •High immunity to
outdoor elements •3
1
⁄
2" mica cone woofer •Rubber
surround •
1
⁄2" PEI dome tweeter Specifications:
•Power capacity: 30W/70W RMS/peak •Frequency
response: 90Hz~20KHz •Transformer taps 2.5W,
5W, 10W and 8ohm (70V models only) •Dimensions:
7
1
⁄2" (H) x 5" (W) x 6
1
⁄2" (D) •Sold in pairs
Order # Color Transformer (1-3 prs.) (4 prs.-up)
555-5621 Black No $49.95 $46.50
555-5622 White No 49.95 46.50
555-5627 Black Yes 54.95 51.25
555-5629 White Yes 54.95 51.25
Weather Proof
25/70V PA Horn
Perfect for signaling and
paging, this high efficiency
horn features 250Hz~16KHz
frequency response, 30W/60W
nominal/max power capacity, and
120dB/4V/1M sensitivity. Compatible with
25V or 70V line input, built-in rotary switch selects
the following transformer taps: •70V: 1W, 3W, 5W,
10W, 15W and 30W •25V: 0.1W, 0.4W, 0.6W, 1.3W,
1.9W, 3.7W, 10W, 15W and 30W. Note: Not for 8ohm
use. Dimensions: 8" (H) x 11" (W) x 10
1
⁄4" (D).
Order # (1-3) (4-up)
555-6305 $51.00 $47.49
Weatherproof 8"
Aluminum PA Horn
Ideal for commercial paging
and general public address
applications indoor or
outdoors, this rugged
aluminum horn features increased power
capacity and a fully adjustable mounting base.
Roatary switch provide access to available 70V
and 25V taps, and a bypass switch allows 8ohm
use. Specifications: •Power capacity: 32W/60W
RMS/peak •Frequency response: 350Hz~14KHz
•Dimensions: 8" (dia.) x 10" (D) •25V taps: 2W,
4W, 7.5W and 15W
Order # (1-3) (4-9) (10-up)
555-6575 $49.95 $47.33 $43.73
8" x 5" Paging Horn
•Low profile design
for easy installation
in tight areas
•Weather-resistant
•Swivel type mounting
bracket •300Hz~5KHz
response •30W power
handling •8ohm
Order # (1-3) (4-9) (10-up)
55-240 $14.95 $13.85 $11.54
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