Digital multi-amplified vertical steerable array 제조사 MODEL NAME RCF AUDIO VSA 1250 SPEAKER Digital multi-amplified vertical steerable array Frequency response     : 120 ~ 18,000Hz Max. SPL(avg) : 94dB(A-weighted at 30m) Coverage angle(HxV) : 130 ° x selectable from 10° ~ 30° Transducers : 12 x 3.5" full-range speakers Power : 20 x 50W RMS (Class D) Remote control : VSA RC & RS485 with software PC Dimensions(WxHxD) : 1,340 x 980 x 97mm Weight : 14kg Cabinet : powder coated aluminum extrusion Hardware : 2 x speaker wall mounting flange Processor Section Processor Texas Instruments TMS320C6726 32 bit floating point DSP Xilinx Spartan3A FPGA, BurrBrown A/D PCM 4202 24 bit 48 kHz 118 dB S/N ratio Processor operations 20 channel PEQS, compression, beam-forming, speaker limiter and protection Controller EQ : chain: cascade of 10 cells of ll order : type: Butterworth, Shelving, Parametric Band : gain: ± 24dB Limiter compressor : signal compressor, power limiter Delay : range: 0~99m / step: 3m