Williams Sound FM T55 FM+ Assistive Listening System Transmitter with WaveCAST Wi-Fi (Discontinued)
Usually arrives in 5-9 business days.
The cutting-edge Williams Sound PPA T45NET Personal PA FM Base Station Transmitter with Network Control transmitter offers control or monitoring capability from any remote location, multiple digital audio input options, and an OLED high-resolution screen with easy-to-manage menu navigation.
The cutting-edge PPA T45NET transmitter offers control or monitoring capability from any remote location, multiple digital audio input options, and an OLED high-resolution screen with easy-to-manage menu navigation. Features 3 powerful microprocessors and the same high-quality audio and RF performance you’ve come to expect from Williams Sound. It’s technology that takes the guesswork out of complex audio installation. Simply select among voice, music, or hearing assistance in the application preset menu, and this transmitter quickly configures itself. With a range of up to 1000 feet, the PPA T45NET is ideal for large venues where superior coverage is essential.
| Rack Mount | Standard 19” Rack, one EIA rack space high, 1/2 space wide |
|---|---|
| Power Supply | Desktop Style Transformer (TFP 048) Input: 100-240 VAC, 50/60 Hz. IEC Line Cord Output: 24 VDC, 750 mA, 18W. 2.5 mm ID center positive barrel connector Approvals: UL, CUL, Energy Star V, CSA listed |
| Power ON Indicator | Push On/Push Off latching power button |
| Power ON Indicator | Backlit Green indicates Power ON, backlight off indicates power OFF |
| Temperature Range | Operating: +32° F to +104° F (0° C to 40° C),Storage: -4° F to +158° F (-20° C to 70° C) |
| Menu Settings | Audio Presets (Music, Voice, Hearing Assist, Custom), Frequency/Channel selection, Frequency/Channel mode, Audio Input Source (Microphone, Line, Phantom, Digital AES/EB, Digital S/PDIF), High Pass Filter, Low Pass Filter, Compression, RF Output Power, Screen Saver Delay, Test Tone (400 Hz), Headphone Volume, Headphone Source, Ethernet/Network Settings (PPA T45 NET and PPA T45 NET D) |
| 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 Timer | Menu selectable - 30 Min, 4 Hours, or Always On. Timer starts when no audio is present |
| RF Power | Menu selectable - High, 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" |
| Audio Processor Functions | DSP. 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 | 0-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 |
| Nominal (1st Amber LED) | |
| Microphone | -55 dBV (1.7 mV RMS) |
| Line | -25 dBV (55 mV RMS) |
| Overload Warning | |
| Microphone | -15 dBV (180 mV RMS) |
| Line | +16 dBV (6.3 V RMS) |
| Absolute Maximum Ratings | |
| Microphone | +20dBV (10.0 V RMS) |
| Line | +20 dBV (10.0 V RMS) |
| Headphone Output | 1/4" TRS stereo jack, mono signal, 15.7 mW, maximum in 33 Ω |
| Line Output | RCA jack (black), -10 dBV (.32 VRMS). Output impedance 100 Ω |
| Ethernet | RJ-45 on back of unit (PPA T45NET only) |
| Approvals | FCC, RoHS2, WEEE, Industry Canada |
| Color | Black/Silver with black legends on the front, white legends on the back |
| Dimensions (H x W x D) | 1.72" (44 mm) x 8.45" (215 mm) x 8.25" (210 mm) |
| Weight | 3 lbs (1.36 kg) |
| Shipping Weight | 4.5 lbs (2.04 kg) |
Model #:
Usually arrives in 5-9 business days.