SHURE ULXD14DA เครื่องรับสัญญาณไมค์ลอยดิจิตอล 2 ชาแนล แบบ UHF (ไม่มีไมโครโฟน)

SPECIFICATIONS

• RF Carrier Range
  174–216 MHz, 470–865 MHz, 1492–1525 MHz, 1785–1805 MHz
  Note: Varies by region (See Frequency Range and Ouput Power table)
• Working Range
  100 m (328 ft)
  Note: Actual range depends on RF signal absorption, reflection and interference.
• RF Tuning Step Size
  25 kHz, varies by region
• Image Rejection
  >70 dB, typical
• RF Sensitivity
  -98dBm at 10-5 BER
• Latency
  <2.9 ms
• Audio Frequency Response
  ULXD1: 20 Hz – 20 kHz (±1 dB) ULXD2: 30 Hz – 20 kHz (±1 dB)
  Note: Dependent on microphone type
• Audio Dynamic Range System Gain @ +10
  XLR Analog Output: >120 dB, A-weighted
  Dante Digital Output (Dual and Quad receivers): 130 dB (typical), A-weighted
• Total Harmonic Distortion
  −12 dBFS input, System Gain @ +10
  <0.1%
• System Audio Polarity
  Positive pressure on microphone diaphragm produces positive voltage on pin 2 (with respect to pin 3 of XLR output) and the tip of the 6.35 mm (1/4-inch) output.
• Operating Temperature Range
  −18 °C (0 °F) to 50 °C (122 °F) Note: Battery characteristics may limit this range.
• Storage Temperature Range
  −29°C (−20°F) to 74°C (165°F) Note: Battery characteristics may limit this range.

ULXD4D

• Dimensions
  44 mm × 482 mm × 274 mm (1.73 in.
  × 18.97 in. × 10.79 in.), H × W × D
• Weight
  3.36 kg (7.4 lbs), without antennas
• Housing
  Steel; Extruded Aluminum
• Power
• Requirements
  100 to 240 V AC, 50-60 Hz, 0.26 A max.

RF OUTPUT

• Spurious Rejection
  >80 dB, typical
• Connector Type
  BNC
• Impedance
  50 Ω
• Bias Voltage
  12–13 V DC, 150 mA maximum, per antenna

AUDIO INPUT

• Gain Adjustment Range
  –18 to +42 dB in 1 dB steps
  (plus Mute setting)
• Configuration
  XLR: Balanced
  (1=ground, 2=audio +, 3=audio –)
• Impedance
  100 Ω
• Full Scale Output
  LINE setting= +18 dBV,
  MIC setting= –12 dBV
• Mic/Line Switch
  30 dB pad
• Phantom Power Protection
  Yes

NETWORKING

• Network Interface
  Dual Port Ethernet 10/100 Mbps, 1 Gbps
• Network Addressing Capability
  DHCP or Manual IP address
• Maximum Ethernet Cable Length
  100 m (328 ft)

CASCADE OUTPUT

• Connector Type
  BNC: For connection of 1 additional receiver
• Configuration
  Unbalanced, passive
• Impedance
  50 Ω
• Insertion Loss
  0 dB

ULXD1

• Gain Offset Range
  0 to 21 dB (in 3 dB steps)
• Battery Type
  Shure SB900A Rechargeable Li-Ion or AA batteries
• Battery Runtime @ 10 mW
  Shure SB900A: up to 9
  Alkaline: 8 hours
  See Battery Runtime Chart
• Dimensions
  86 mm × 66 mm × 23 mm (3.4 in. × 2.6 in. × 0.9 in.) H × W × D
  Weight 142 g (5.0 oz.), without batteries
• Housing
  Cast aluminum

AUDIO INPUT

• Connector
  4-Pin male mini connector (TA4M) LEM03 connector
• Configuration
  Unbalanced
• Impedance
  1 MΩ
• Maximum Input Level 1 kHz at 1% THD
  Pad Off: 8.5 dBV (7.5 Vpp) Pad On: 20.5 dBV (30 Vpp)
• Preamplifier Equivalent Input Noise (EIN)
  System Gain Setting ≥ +20
  120 dBV, A-weighted, typical

RF OUTPUT

• Connector
  SMA
• Antenna Type
  1/4 wave
• Impedance
  50 Ω
• Occupied Bandwidth
  <200 kHz
• Modulation Type
  Shure Proprietary Digital
• Power
  1 mW, 10 mW, 20 mW
  See Frequency Range and Ouput Power table, varies by region