R SERIES
R6-51MAX
VERY HIGH OUTPUT, EXTENDED RESPONSE,
TRIAMP WEATHER-RESISTANT LOUDSPEAKER
FEATURES
• 40% longer throw distance capability to meet the needs of today's sporting venues
• Exceptional sound quality and intelligibility at very high output levels
• Very high sensitivity HF drivers for improved balanced response and extension
• High power, high excursion LF drivers extend LF response and increase output
TECHNICAL SPECIFICATIONS1
Operating Mode
Operating Environment
Operating Range
Nominal Beamwidth (H x V)
49.00"
(1245mm)
APPLICATIONS
Stadiums and Arenas • Racing Tracks • Concerts
Fairgrounds • Multipurpose Outdoor Venues
DESCRIPTION
The R6-51MAX is a three-way full-range
loudspeaker system engineered to provide "No
Compromises" premium music reproduction
at very high output levels, and also improves
voice projection and intelligibility capabilities.
It is designed with the same materials and
construction as the standard R6-51 for extreme
weather resistance, and can withstand
long-term exposure to tough environmental
conditions.
The R6-51MAX is constructed with premium
components in a triamp format to maximally
optimize its performance. It uses very high
sensitivity 1" HF compression drivers that
provide extended HF response and a balanced
frequency response with the rest of the system.
Operated with a high crossover frequency, the
large HF drivers maintain very high headroom,
delivering eortless performance. The six high
power high excursion LF drivers feature high
flux neodymium motors with demodulation
rings for extended response and low distortion
performance. The midrange high performance
M200HP 2" exit compression drivers, achieve
higher output while maintaining extremely low
distortion.
Tri-amplification provides improved optimization
for each driver band and improved vertical
directivity consistency. The R6-51MAX is an
extremely capable system using an innovative
all horn-loaded design of multiple driver vertical
line arrays. The resulting output and coverage
pattern is ideal for applications requiring high
impact, long throw full-range performance.
Transducers
Continuous Power Handling3
@ Nominal Impedance
Nominal Sensitivity
Nominal Maximum SPL
(Whole Space)
Equalized Sensitivity6
Equalized Maximum SPL7
Recommended Amplifiers
PHYSICAL
Input Connection
Mounting Points
Environmental
Weight
Dimensions H x W x D
Finish
OPTIONS
Accessories
Configure-to-Order (CTO)
Commu nity str ives to impro ve its products o n a continual b asis. Spec ification s are theref ore subjec t to change wit hout notic e.
Triamp with DSP
Outdoor
2
4
5
44 Hz to 17.5 kHz
50° x 10°
LF 6 x 12" inherently weather-resistant cones with 3" voice coil,
neodymium motor and demodulation ring
MF 6 x 2" exit, M200HP compression, 3.5" diaphragm, 2.2" Voice coil,
high temp non-metallic diaphragm
HF 6 x 1" exit compression, 1.7" voice coil, demodulation ring, ketone
polymer diaphragm
LF
MF
HF
LF
MF
HF
LF
MF
HF
System @ 1W
System Peak
LF
MF
HF
(3) 16-2 SJOW 12' (3.7 m)
(4) 1/2-13 rigging points for third party suspension systems,
(10) 5/16” flange holes for supplemental support (not suspension)
IP55 per IEC 60529, conforms with MIL-STD-810G
326 lbs (147.9 kg) loudspeaker only
49.0" x 37.0" x 43.5" (1245 x 940 x 1105 mm)
Hand-laminated fiberglass, light grey gelcoat
Pan-tilt frame available from Polar Focus
Custom color; Custo m cable g auge and length
120V
60V
51V
@ 1W
107 dB
116 dB
115 dB
Peak
149 dB
148 dB
150 dB
108 dB
150 dB
3600W - 7200W @ 4 ohms, (120V - 170V)
450W - 900W @ 8 ohms, (60V - 85V)
660W - 1320W @ 4 ohms (51V - 73V)
3600W @ 4 ohms (14400W peak)
450W @ 8 ohms (1800W peak)
660W @ 4 ohms (2640W peak)
@ 2.83V
110 dB
116 dB
118 dB
Continuous
143 dB
142 dB
144 dB
@ 2.83V
111 dB
Continuous
144 dB
R6MaxImpedance
Frequency Response ALL (Axially Processed)
Frequency Response TriHF_NP
Beamwidth (Degrees)
BeamH BeamV
Directivity Index
R SERIES
R6-51MAX
VERY HIGH OUTPUT, EXTENDED RESPONSE,
TRIAMP WEATHER-RESISTANT LOUDSPEAKER
AXIAL PROCESSED RESPONSE (dB)
LF MF HF
130
120
110
100
90
20
AXIAL SENSITIVITY (dB SPL)
LF MF HF
130
120
110
100
90
20
100
Frequency (Hz)
9
100
Frequency (Hz)
8
1000
1000
10000
10000
BEAMWIDTH (Degrees)
Horizontal Vertical
360
100
10
1
20
100
DIRECTIVITY INDEX (dB)
40
30
20
10
0
20
100
10
Frequency (Hz)
11
Frequency (Hz)
1000 10000
1000
10000
IMPEDANCE (Ohms)
LF MF HF
100
10
1
20
Minimum Impedance:
(LF) 3.6 ohms @ 80 Hz, (MF) 6.7 ohms @ 1990 Hz, (HF) 4.7 ohms @ 6320 Hz
100
Frequency (Hz)
1000
10000
R SERIES
VERY HIGH OUTPUT, EXTENDED RESPONSE,
R6-51MAX
TECHNICAL DRAWING / DIMENSIONS / FINISH
H x W x D
49.0" x 37.0" x 43.5"
(1245 x 940 x 1105 mm)
Unit Weight
326 lbs (147.9 kg) loudspeaker only
Shipping Weight
418 lbs (189.6 kg)
TRIAMP WEATHER-RESISTANT LOUDSPEAKER
Grille:
3-layer Weather-Stop™ with polyester mesh, open
cell foam, and zinc-rich epoxy dual-layer powdercoated perforated 16ga. steel grille, color-matched to
enclosure
Enclosure
Hand-laminated multilayer fiberglass with black
gelcoat on interior and grey gelcoat on exterior
surfaces
36"
(915mm)
1/2-13 Weldnut
(typ top and bot tom)
Mounting Point
Center of Gravity
Not a suspension point
49.0"
(1245mm)
Isometric
37.0"
(940mm)
3" (typ)
(76 mm)
43.5"
(1105mm)
34.5"
(876mm)
24.5"
(622mm)
Top
1/2-13 Weldnuts
Mounting Points
COG
24.0"
(610mm)
12.7 5"
(324 mm)
12.7 5"
(324 mm)
Front
Notes:
• Cabinets are hand-laminated and measurements vary slightly due to the thickness of the fiberglass. Dimensions shown
shoul d not be used to f abricate h anging fixt ures.
• Front fl ange holes a t edge of gril le are typi cally 0.312 5" (7.9mm) diamete r and 0.75" (19mm) fro m the outsid e edge.
Sides
Rear
R SERIES
R6-51MAX
VERY HIGH OUTPUT, EXTENDED RESPONSE,
TRIAMP WEATHER-RESISTANT LOUDSPEAKER
CONNECTION DIAGRAMS
+/–
HF
Input
+/–
MF
Input
+/–
LF
Input
DSP
HF
Amp
MF
Amp
LF
Amp
Three-way single amp
HF
x6
MF
x6
LF
x6
ARCHITECTURAL SPECIFICATIONS
The system shall be a weather-resistant horn-loaded triamp full-range triaxial design with six 12” neodymium LF drivers, six high performance midrange 2" exit compression drivers, and six 1" exit high sensitivity HF compression drivers. The input connection shall be three 16-2 12-foot (3.6m) SJOW
cables with stripped ends, one each for LF, MF and HF. The loudspeaker enclosure shall be an integral double-wall weather-sealed gray fiberglass
enclosure with a three-layer weather-resistant grille. The grille shall have dual-layer powder-coated 16 gauge perforated steel backed by open cell
foam and woven polyester mesh. There shall be four 1/2-13 integral threaded mounting points. The system shall have an operating range of 44 Hz to
17.5 kHz, and 108 dB sensitivity at 1 Watt/1 meter. Nominal impedance shall be 4 ohms for the low and high frequency connections and 8 ohms for the
mid frequency connection. The nominal dispersion shall be 50° H x 10° V. The loudspeaker shall be 49.0 in. (1245 mm) H x 37.0 in. (940 mm) W x 43.5 in.
(1105 mm) D and weigh 326 lbs. (147.9 kg).
NOTES
1. PERFORMANCE SPECIFICATIONS All measurements
are taken indoor using a time-windowed and processed
signal to eliminate room eects, approximating an
anechoic environment, a distance of 6.0 m. All acoustic
specifications are rounded to the nearest whole number.
An external DSP with settings provided by Community
Professional Loudspeakers is required to achieve the
specified performance; further performance gains can
be realized using Community’s dSPEC226 loudspeaker
processor with FIR power response optimization.
2. OPERATING RANGE The frequency range in which the
on-axis processed response remains within 10dB of the
average SPL.
3. CONTINUOUS POWER HANDLING Maximum continuous
input voltage (and the equivalent power rating, in watts,
at the stated nominal impedance) that the system can
withstand, without damage, for a period of 2 hours using
an EIA-426-B defined spectrum; with recommended signal
processing and protection filters.
4. NOMINAL SENSITIVITY Averaged SPL over the operating
range with an input voltage that would produce 1 Watt
at the nominal impedance and the averaged SPL over
the operating range with a fixed input voltage of 2.83V,
respectively; swept sine wave axial measurements with
no external processing applied in whole space, except
where indicated.
5. NOMINAL MAXIMUM SPL Calculated based on nominal
/ peak power handling, respectively, and nominal
sensitivity; exclusive of power compression.
6. EQUALIZED SENSITIVITY The respective SPL levels
produced when an EIA-426-B signal is applied to the
equalized loudspeaker system at a level which produces
a total power of 1 Watt , in sum, to the loudspeaker
subsections and also at a level which produces a total
voltage, in sum, of 2.83V to the loudspeaker subsections,
respectively; each referenced to a distance of 1 meter.
7. EQUALIZED MAXIMUM SPL The SPL produced when an
EIA-426-B signal is applied to the equalized loudspeaker
system, at a level which drives at least one subsection to
its rated continuous input voltage limit, referenced to a
distance of 1 meter. The peak SPL represents the 2:1 (6dB)
crest factor of the EIA-426-B test signal.
8. AXIAL PROCESSED RESPONSE The on-axis variation
in acoustic output level with frequency of the complete
loudspeaker system with recommended signal processing
applied. 1/6 octave Gaussian smoothing applied.
9. AXIAL SENSITIVITY The on-axis variation in acoustic
output level with frequency for a 1 Watt swept sine
wave, referenced to 1 meter with no signal processing.
1/6 octave Gaussian smoothing applied.
10. BEAMWIDTH The angle between the -6dB points in
the polar response of the loudspeaker when driven in
the operating mode which utilizes the largest number of
individually amplified pass bands. 1/6 octave Gaussian
smoothing applied.
11. DIRECTIVITY INDEX The ratio of the on-axis SPL
squared to the mean squared SPL at the same distance
for all points within the measurement sphere for each
given frequency; expressed in dB. 1/6 octave Gaussian
smoothing applied.
Data presented on this spec sheet represents a selection of
the basic performance specifications for the model. These
specifications are intended to allow the user to perform a
fair, straightforward evaluation and comparison with other
loudspeaker spec sheets. For a detailed analysis of this
loudspeaker’s performance please download the GLL file and/
or the CLF file from our website: communitypro.com
Community Professional Loudspeakers
333 East Fifth Street, Chester, PA 19013-4511 USA
Phone (610) 876-3400 • Fax (610) 874-0190
www.communitypro.com • info@communitypro.com
CAUTION: Installation of loudspeakers should only be
performed by trained and qualified personnel. It is strongly
recommended that a licensed and certified professional
structural engineer approve the mounting design.
R6-51MAX [07JUN2016]
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