The UA1853 loudspeaker is full-range, 3-way loudspeaker system. Utilizing complex conic horn technology,

or oval horns will not be considered equal.The UA1853 loudspeaker system shall consist of a 18 "subwoofer

driver and a 15" LF driver and an extended-range 3" HF drive coupled to a complex conic high frequency

horn(1.5 exit). The 18" woofer shall have a 4" ( 100mm)voice coil, the 15" LF shall have a 3" ( 75mm)voice

coil ,treated fiber cone and a program power rating of at least 900 watts. High frequency power handling

capacity shall be no less than 200 watts RMS @ 8 ohms. The loudspeaker shall provide 90° horizontal disper

sion and 50° vertical coverage. It shall include a built-in crossover having a program power rating of 1300 watts

at 4 ohms. UA18153 sensitivity shall be no less than 110dB @ 500Hz with a maximum SPL of at least 130dB

program, 136dB peak.The frequency response shall be 50Hz to 18Khz (-3dB), the enclosure shall be cons

tructed from multi-ply hardwoodthe finish shall be black paint weather resistant neutrik4-pin connectors shall

also be included it shall weight no more than 61.5 Kg, a matching perforated metal grille shall be included.


SPECIFICATIONS
Type: three-way full range
Drivers: 　　 LF: 18" bass driver , 4 "voice coil / 15" bass/mid driver, 3 "voice coil
HF: 1.5"exit, 3" complex titanium diaphragm
Frequency Response 40Hz-180KHz(-3dB)
Power Handling: 2×900W (1800W)
Sensitivity 104dB/1W/1m
Maximum SPL 133dB continue,139dB peak
Nominal impedance 4 Ohms or2×8 Ohms
Connectors: 2×Neutrik NL 4
Dimensions 1160×600×760mm(H×W×D)
Net Weight: 97kg