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EMS-81X User Manual
www.emacoustics.co.uk
APPENDIX A – TECHNICAL SPECIFICATIONS
EM Acoustics operates a continuous process of research and development, and as such reserves the right to alter specifications without notice.
EMS-81X
ENCLOSURE TYPE:
two-way passive, reflex loaded
DIMENSIONS (HxWxD):
462 (18.2) x 262 (10.3) x 261 (10.3) mm/(ins)
NET/SHIPPING WEIGHT:
13/14kg (28.6/30.8lbs)
FREQUENCY RESPONSE
1
:
75Hz – 20kHz +/- 3dB
SENSITIVITY
2
:
95dB
DISPERSION
3
:
90 x 60, rotatable
DRIVE UNITS:
8” (203mm) LF cone drive unit
1” (25mm) exit neodymium HF compression drive unit
POWER HANDLING:
250W RMS, 500W program
MAXIMUM SPL
4
:
120dB continuous, 126dB peak
NOMINAL IMPEDANCE:
8 ohms
CROSSOVER:
asymmetric internal passive
CONNECTORS
:
2 x Neutrik SpeakON
TM
NL4MP
ENCLOSURE:
15mm (5/8”) multi-laminate Birch plywood – rebated, screwed & glued.
Finished in impact resistant textured paint
RIGGING & HARDWARE:
5 x M8 threaded mounting points
4 x M6 threaded points for OmniMount Series 30/Powerdrive Series 75 brackets
1 x flush handle on rear
1 x 35mm polemount socket
GRILLE:
hex punched steel backed with acoustically transparent foam
OPTIONS:
Colours/Weather Protection
ACCESSORIES:
FC-81Xv vertical flying cradle
FC-81Xh horizontal flying cradle
DFB-81X dual enclosure flying plate set
SPARE PARTS:
DU-802 8” drive unit
CDU-1001A 1” exit HF compression drive unit
RK-802 recone kit
PX-81X passive crossover assembly
RFG-81X replacement grille/foam
Notes on measurement conditions:
1
Measured on-axis at 2m in an anechoic environment and referenced to 1m.
2
Measured in half space at 2m with 4W sine wave input and referenced to 1m.
3
Nominal dispersion, measured in an anechoic environment and averaged over stated bandwidth
4
Calculated and verified by subjective listening test of familiar program material.
