User Guide

Specifications
Cuboid 3 Cuboid 3TX Cuboid 5 Cuboid 5TX Cuboid 8 Cuboid 10 Cuboid 12 Cuboid 15
TYPE
Two-way, full range, passive
3” loudspeaker
Two-way, full range,
passive 3” loudspeaker with
transformer
Two-way, full range, passive,
5” loudspeaker
Two-way, full range,
passive, 5” loudspeaker with
transformer
Two-way, full range, passive
loudspeaker
Two-way, full range, passive
loudspeaker
Two-way, full range, passive
loudspeaker
Two-way, full range, passive
loudspeaker
FREQUENCY RESPONSE
(with preset)
125Hz - 20kHz +/-3dB
-10dB @ 80Hz
125Hz - 20kHz +/-3dB
-10dB @ 80Hz
97Hz - 20kHz +/-3dB
-10dB @ 80Hz
97Hz - 20kHz +/-3dB
-10dB @ 80Hz
90Hz - 18kHz ± 3dB
-10dB @62Hz
65Hz - 20kHz ± 3dB
-10dB @49Hz
62Hz - 20kHz ± 3dB
-10dB @47Hz
58Hz - 18kHz ± 3dB
-10dB @40Hz
DRIVERS
LF: 3.5”(90mm) coated
paper, ferrite motor system.
HF: 0.5” (12.5mm) PEI
Diaphragm neodymium motor
system
LF: 3.5”(90mm) coated
paper, ferrite motor system.
HF: 0.5” (12.5mm) PEI
Diaphragm neodymium motor
system
LF: 5.25”(133mm) coated
paper, ferrite motor system.
HF: 0.75” (19mm) Silk Dome
neodymium motor system
LF: 5.25”(133mm) coated
paper, ferrite motor system.
HF: 0.75” (19mm) Silk Dome
neodymium motor system
LF: 8” (200mm), ferrite motor
system. HF: 1” (25mm)
exit/1” (25mm) voice coil, HT
polymer dome compression
driver
LF: 10” (254mm), ferrite
motor system. HF: 1”
(25mm) exit/1.4” (36mm)
voice coil, polyimide dome
compression driver
LF: 12” (300mm), ferrite
motor system. HF: 1”
(25mm) exit/1.4” (36mm)
voice coil, polyimide dome
compression driver
LF: 15” (380mm), ferrite
motor system. HF: 1”
(25mm) exit/1.7” (44mm)
voice coil, polyimide dome
compression driver
IP RATING
IP 54, when used with
accessory terminal cover
IP 54, when used with
accessory terminal cover
IP 54, when used with
accessory terminal cover
IP 54, when used with
accessory terminal cover
— — — —
RATED POWER
30 W (AES) 120W (peak) 30 W (AES) 120W (peak) 50 W (AES) 200W (peak) 50 W (AES) 200W (peak) 200W (AES) 800W (peak) 250W (AES) 1000W (peak) 300W (AES) 1200W (peak) 500W (AES) 2000W (peak)
NOMINAL IMPEDANCE
8Ω 8Ω 8Ω 8Ω 8Ω 8Ω 8Ω 8Ω
SENSITIVITY (1W/1m)
84dB 84dB 88dB 88dB 92dB 96dB 98dB 99dB
MAXIMUM SPL
98dB (cont) 114dB (peak) 98dB (cont) 114dB (peak) @ 8Ω 105dB (cont) 111dB (peak) 105dB (cont) 111dB (peak) @ 8Ω 115dB (cont), 121dB (peak) 120dB (cont), 126dB (peak) 123dB (cont), 129dB (peak) 126dB (cont), 132dB (peak)
CROSSOVER
3kHz 3kHz 2.5kHz 2.5kHz 2.9kHz passive 2.8kHz passive 2.5kHz passive 2.3kHz passive
REC. HIGH PASS FILTER
— 24dB Per Octave @ 80Hz 24dB Per Octave @ 60Hz 24dB Per Octave @ 60Hz — — — —
TRANSFORMER TAPS @ 70V
— 2.5, 3.75, 5, 7.5W — 2.5, 3.75, 5, 7.5W — — — —
TRANSFORMER TAPS @ 100V
— 5, 7.5, 10, 15W — 5, 7.5, 10, 15W — — — —
DISPERSION (-6dB)
130°H x 120°V 130°H x 120°V 150°H x 100°V 150°H x 100°V 90˚ H x 50˚ V (user-rotatable) 90˚ H x 50˚ V (user-rotatable) 80˚ H x 50˚ V (user-rotatable) 80˚ H x 50˚ V (user-rotatable)
ENCLOSURE
ABS ABS ABS ABS Trapezoid wooden cabinet Trapezoid wooden cabinet Trapezoid wooden cabinet Trapezoid wooden cabinet
FINISH
Paint Paint Paint Paint Black textured paint Black textured paint Black textured paint Black textured paint
PROTECTIVE GRILLE
Painted Aluminium Painted Aluminium Painted Aluminium Painted Aluminium Black perforated steel with
scrim cloth backing
Black perforated steel with
scrim cloth backing
Black perforated steel with
scrim cloth backing
Black perforated steel with
scrim cloth backing
CONNECTORS
4 pin Euroblock 4 pin Euroblock 4 pin Euroblock 4 pin Euroblock 2x NL4 type 2x NL4 type 2x NL4 type 2x NL4 type
PIN CONNECTIONS (INPUT)
Positive and negative in with
link out terminals
Positive and negative in with
link out terminals
Positive and negative in with
link out terminals
Positive and negative in with
link out terminals
1+/1- 1+/1- 1+/1- 1+/1-
FITTINGS
M4 mounting points for wall
bracket
M4 mounting points for wall
bracket
M4 mounting points for wall
bracket
M4 mounting points for wall
bracket
16 x M8, inset bolts 21 x M8, inset bolts 21 x M8, inset bolts 19 x M8, inset bolts
DIMENSIONS
(W)120mm x (H)190mm x
(D)118mm
(W)4.7” x (H)7.5” x (D)4.7”
(W)120mm x (H)190mm x
(D)118mm
(W)4.7” x (H)7.5” x (D)4.7”
(W)155mm x (H)255mm x
(D)150mm
(W)6.1” x (H)10” x (D)5.9”
(W)155mm x (H)255mm x
(D)150mm
(W)6.1” x (H)10” x (D)5.9”
(W) 256mm x (H) 422.5mm
x (D) 261mm
(W) 10.08” x (H) 16.63” x
(D) 10.28”
(W) 322mm x (H) 524mm x
(D) 326mm
(W) 12.68” x (H) 20.63” x
(D) 12.83”
(W) 360mm x (H) 575mm x
(D) 392mm
(W) 14.17” x (H) 22.64” x
(D) 15.43”
(W) 426.5mm x (H)
691.5mm x (D) 416mm
(W) 16.79” x (H) 27.22” x
(D) 16.38”
WEIGHT
1.26kg (2.8lb) 1.26kg (2.8lb) 2.15kg (4.7lb) 2.15kg (4.7lb) 10kg (22.05lb) 16kg (35.27lb) 20kg (44.09lb) 28kg (61.73lb)
ACCESSORIES
(available separately)
Weatherproof terminal cover Weatherproof terminal cover Weatherproof terminal cover Weatherproof terminal cover Wall bracket A, U bracket A,
M8 eye bolt
Wall bracket B, U bracket B,
M8 eye bolt
Wall bracket B, U bracket C,
M8 eye bolt
Wall bracket C, U bracket D,
M8 eye bolt
21/23
Cuboid
Loudspeakers
Loudspeakers
USER GUIDE
© 2022. Optimal Audio Group Ltd. (v2.2)
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Overview
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Ceiling mount
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