WILLIAMS AV FM 457 NET D PRO Large-Area Personal PA Pro FM Assistive Listening System

FM 457 NET D PRO - Overview

• Specifications:

  • General
  • Dimensions: 8.45" W x 8.25" D x 1.72"H (21.5 cm x 21 cm x 4.4 cm)
  • Weight: Transmitter: 3.0 lbs (1.36 kg); Shipping Weight: 4.50 lbs (2.04 kg) (Transmitter, Power Supply, Antenna and packaging)
  • Color: Black/Silver with black legends on the front, white legends on the back
  • Rack Mount: Standard 19" Rack, one EIA rack space high, 1/2 space wide. 1-2 units can be mounted in a single rack space with optional RPK 005 (single) or RPK 006 (double) Rack Mount Kits
    
    Power Supply
  • Desktop Style Transformer (TFP 048)
  • Input: 100-240 VAC, 50/60 Hz. IEC Line Cord
  • Output: 24 VDC, 750 mA, 18W. 2.5mm ID center positive barrel connector
  • Approvals: UL, CUL, Energy Star V, CSA listed
    
    
  • Power ON Indicator: Push On/Push Off latching power button, backlit green indicates power ON, backlight off indicates power OFF, fading from bright to dark indicates Sleep Mode*
  • Temperature Range: Operating: +32° F to +104° F (0° C to 40° C); Storage: -4° F to +158° F (-20° C to 70° C)
    
    
  • RF
  • Operating Frequencies: 72.1-75.9 MHz , 17 wideband channels (selectable)
  • Frequency Accuracy: ± 2 ppm stability, 0-50° C
  • Deviation: ± 75 kHz maximum
  • Pre-Emphasis: 75 μsec
  • RF?Field Strength: Does not exceed 80 mV/m at 3 m
  • Compatible Antennas: ANT 005, ANT 021, ANT 024, or ANT 025
  • Transmission Range: Up to 1000 ft (304 m) with ANT 005 coaxial antenna mounted on rear chassis connector
  • RF Time-out (Sleep Mode): Menu selectable - 30 Min, 4 Hours, or Always On; timer starts when audio is below the -21dB VU level and no buttons are pressed
  • RF Power: Menu selectable - Full, Medium, Low, Off
  • RF Outputs: (1x) #10-32 stud connector in center of unit (pcb mounted), (1x) F-connector on rear chassis
  • RF Transmit Indicator: 1 Green LED, indicates RF "On Air"
    
    
  • Audio
  • Audio Processor Functions: DSP based; Compression: 1:1, 1.5:1 or 2:1; High Pass and Low Pass Filter Frequency control
  • Frequency Response: 31 - 16000 Hz, ±3 dB ("Music" Audio Preset)
  • Signal-to-Noise Ratio: ≥74 dB Transmitted RF
  • Total Harmonic Distortion: Less than 0.25% @ 1 kHz (RF output)
  • Common Mode Rejection: >57 dB @ 1 kHz, Mic or Line
  • Audio Inputs: (1x) Combination 3-pin XLR, 1/4" (TRS) jack for Mic or Line Level Analog Audio, Balanced or Unbalanced Line Level, or Microphone with Selectable Phantom Power, (1x) XLR for Digital Audio, AES3/EBU, supported sample rates 44.1 kHz and 48 kHz, (1x) RCA for Digital Audio, S/PDIF, supported sample rates 44.1 kHz and 48 kHz
  • Audio Input Gain Adjust: In menu, adjustable to 0 to -50 dB, in 1dB steps
  • Phantom Power: 14.4 VDC applied through 2.2 kΩ resistors to analog combo jack: Pin 2 and Pin 3 on XLR jack, or tip and ring on 1/4" TRS jack
  • Audio Level Indicators: 10-LED?array that reads -18 to +9 dB at 3 dB intervals. 7 Green, 2 Amber, and 1 red LED. Green LEDs indicate normal operating audio level peaks, Amber LEDS indicate close to overload peaks, Red LED indicates overload peaks
  • Input Levels (Bal or Unbal)(at Audio Input Gain = 0dB): Nominal (1st Amber LED), Overload Warning (Displayed on Screen), Absolute Maximum Ratings*
  • Microphone: -55 dBV (1.7 mV RMS), -15 dBV (180 mV RMS), +20dBV (10.0 V RMS)
  • Line: -25 dBV (55 mV RMS), +16 dBV (6.3 V RMS), +20 dBV (10.0 V RMS)
  • Headphone Output: 1/4" TRS stereo jack, mono signal, 15.7 mW, maximum in 33 Ω (level adjustable in menu 0 to -40 dB in 2 dB steps)
  • Line Output: RCA jack (black), -10 dBV (.32 VRMS); Output impedance 100 Ω
    
    Other
  • Ethernet: RJ-45 on back of unit (PPA T45NET and PPA T45 NET D) supports CAT5e cable lengths up to 328 feet (100 meters); 10/100 Base-T IEEE 802.3 compliant, unique MAC address. Cat5e sheilded cable must be used to meet FCC requirements.**
  • Dante: RJ-45 on back of unit (PPA T45 NET D only) supports CAT5e cable lengths up to 328 feet (100 meters); 10/100 Base-T IEEE 802.3 compliant, unique MAC address. Cat5e sheilded cable must be used to meet FCC requirements.**
  • Approvals: FCC including Part 15**, RoHS2, WEEE, Industry Canada
   

• Item Includes:

  • (1) PPA T45NET D Transmitter
  • (4) PPA R37N Receivers
  • (4) EAR 022 Surround Earphones
  • (2) NKL 001 Neckloops
  • (2) BAT KT6 Dual Drop-in Charger Kits, each including (2) BAT 026-2 AA Rechargeable Batteries
  • (1) ANT 005 Coaxial Antenna
  • (1) ANT 025 Whip Antenna
  • (1) IDP 008 Wall Plaque
  • (1) RPK 005 Rack Panel Kit
  • (1) TFP 048 Power Supply
  • (1) WCA 013 RCA Audio Cable, 3 feet
  • (1) WLC 004 Main Power Cord (U.S.)