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สินค้าประจำเดือน: ปริซึม

Posted by Kae Fu on June 13, 2016  /   Posted in News

Digital Signal Processor ใหม่ล่าสุดจาก Symetrix หนึ่งในผู้นำของวงการ Audio DSP Symetrix นำเอา Dante มารวมเข้ากับ DSP อย่างเต็มรูปแบบในราคาที่คุ้มค่าในสินค้าซีรี่ย์ใหม่ล่าสุด Prism

การนำเอา Dante เข้ามาใช้เพื่อให้สามารถขยายระบบได้อย่างง่ายดาย และยังคงคุณภาพของเสียงที่สูงไว้ ในซีรี่ย์ประกอบไปด้วย Prism 4×4, 8×8, 12×12 และ 16×16 และยังต่อเติมขยายระบบเพิ่มได้ด้วย xIn12, xOut12, xIO4x4, xIn4 และ xOut4 Prism ยังรวมเอา Web Server แสดงผลของสัญญาณเข้าและออก การดูสถานะได้ รวมไปถึงการควบคุมผ่านทาง Browser (ARC-WEB)”

Prism

Analog Inputs

Number of Inputs Four (4) switchable balanced mic or line level.
Connectors 3.81 mm terminal blocks.
Nominal Input Level +4 dBu.
Maximum Input Level +23 dBu.
Mic Pre-amp gain 0, 12, 24, 44 or 54 dB switchable with ± 24 dB trim.
Mic Pre-amp EIN < -125dB with 150 ohm source impedance. 22.4 kHz BW.
CMRR > 79 dB @ 1 kHz, unity gain.
Input impedance 8k Ohms balanced, 4k Ohms unbalanced.
Phantom power (per input) +48 VDC, 10 mA maximum.
Dynamic range > 113 dB, A-weighted.
THD+Noise < -100 dB; 22.4 kHz BW, unweighted; 1 kHz @ +15 dBu with 0 dB gain. Course gain is set to +4dBu.
A to D Latency 0.28 mS.

Mechanical Specifications

Space Required Half rack unit (WDH: 20.83 cm x 22.86 cm x 4.37 cm / 8.2 in. x 9 in. x 1.72 in.) Depth does not include connector allowance. Allow at least 3 inches additional clearance for rear panel connections. Additional depth may be required depending upon your specific wiring and connections.
Electrical PoE+ IEEE 802.3at Class 4, 25.5 Watts maximum. No line voltage switching required. Note: Subject to change when actual power requirements are determined.
Ventilation Maximum recommended ambient operating temperature is 30 C / 86 F. Ensure that the left and right equipment sides are unobstructed (5.08 cm, 2 in minimum clearance). The ventilation should not be impeded by covering the ventilation openings with items such as newspapers, tablecloths, curtains, etc.
Certifications or Compliance Safety: UL 60065, cUL 60065, IEC 60065. EMC: “Class A” device (applies to all of the following) EN 55032, EN 55103-2, EN 61000-3-2, EN 61000-3-3, FCC Part 15, ICES-003. Environmental: RoHS.
Shipping Weight 5.2 lbs. (2.4 kg)

Analog Outputs

Number of Outputs Four (4) balanced line level.
Connectors 3.81 mm terminal blocks.
Nominal Output Level +4 dBu with 20 dB of headroom.
Maximum Output Level +24 dBu (+22.8 dBu into a 2k Ohm minimum load).
Output Impedance 300 Ohms balanced, 150 Ohms unbalanced.
Dynamic Range > 117 dB, A-weighted.
THD+Noise < -97 dB; 22.4 kHz BW, unweighted; 1 kHz, 0 dB gain +8dBu output.
D to A Latency 0.60 mS.

System

Sampling Rate 48 kHz.
Frequency Response (A/D/A) 20 Hz – 20 kHz, ± 0.5 dB.
Dynamic Range (A/D/A) > 113 dB, A-weighted.
Channel Separation (A/D/A) > 110 dB @ 1 kHz, +24 dBu.
THD+Noise <-95 dB (22.4 kHz BW, un-weighted); 1 kHz @ +15 dBu with 0 dB gain.
Latency (A/D/A) 1.04 mS, inputs routed to outputs.
Processors 1 x Analog Devices SHARC 21489 @ 400 MHz SIMD.
Raw Processing Capacity 400 MIPS, 1.6 GFLOPS.
Delay Memory 174 mono seconds.
Analog control inputs 0-3.3 VDC.
Recommended External Control Potentiometer 10k Ohm, linear.
Logic Outputs Low (0V) when active, pulled high (5V) when inactive.
Logic Output Maximum External Power Supply Voltage 24 VDC.
Logic Output Maximum External Power Supply Current Sinking 50 mA.
Logic Output Maximum Output Current 10 mA.
RS-485 Serial I/O 38.4 kbaud (default) 8 data bits, 1 stop bit, no parity, no flow control. May be broken out of ARC port.
Ethernet Cable Standard CAT5e or CAT6, maximum device-to-device length = 100 meters.
Dante Cable Standard CAT6, maximum device-to-device length = 100 meters.
ARC Cable Standard CAT5, distance dependent upon load and number of devices. 8 Watts maximum power available.
Maximum Devices Per System 80 units per Site File.
Maximum Stored Presets 1000.
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