Williams AV FM T55 Large-Area Dual FM and Wi-Fi Base Transmitter with Network Control
Williams AV FM T55 Large-Area Dual FM and Wi-Fi Base Transmitter wi...
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Williams AV FM T55 Large-Area Dual FM and Wi-Fi Base Transmitter with Network Control
The new FM Plus integrates professional WaveCAST Wi-Fi audio server technology into a Williams Sound FM assistive listening system. End users can now listen with either an FM receiver or with their own smartphone (via the WaveCAST Listening App). Along with this flexibility comes exceptional audio quality, as the FM Plus is built on a professional digital audio (DSP) platform. Added plus: Its optional Dante interface provides integrators with a full audio networking solution.
Technical Specifications
Dimensions
8.45" W x 8.25" D x 1.72"H (21.5 cm x 21 cm x 4.4 cm)
Weight
Transmitter: 3.2 lbs (1.45 kg)
Color
Black/Silver with silver legends on the front, white legends on the back
Rack Mount
Standard 19ā 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 062); Input: 100-240 VAC, 50/60 Hz. IEC Line Cord; Output: 24 VDC, 750 mA, 18W. 2.5mm ID center positive barrel connector
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)
User Interface
3.12ā High Resolution OLED display with selections via buttons. Hosted Web page. Remote control and monitoring.
Dante
Only available on FM T55 D
Ethernet
RJ-45 on back of unit supports CAT 5e cable lengths up to 328 feet (100 meters); 10/100 Base-T IEEE 802.3 compliant, unique MAC address
RF Section
Operating Frequencies
72.1-75.9 MHz , 17 wideband channels (selectable)
Pre-Emphasis
75 microsec
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 Outputs
(1x) #10-32 stud connector in center of unit (pcb mounted)
(1x) F-connector on rear chassis
RF Transmit Indicator
1 Green LED On Air Indicator
RF Power
Full, Medium, Low or OFF indiacted by menu icon.
RF Time Out (sleep mode)
30 min. duration, 4 hr. duration, or Always On selected via menu. Starts when audio is below -18 dB level with no button pressed for selected duration.
Audio Section
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 (re: 1 kHz, -3 dB) (āMusicā Audio Preset)
Signal-to-Noise Ratio
67 dB (typical) Transmited RF
Total Harmonic Distortion
Less than 0.25% @ 1 kHz (RF output)
Common Mode Rejection
Greater than 57 dB @ 1 kHz, Mic or Line
Audio Inputs
(1x) Combination 3-pin XLR, 1/4" (TRS) jack for balanced or unbalanced line level, or balanced or unbalanced microphone with selectable phantom power
Audio Input Gain Adjust
In menu, adjustable to 0 to -50 dB, in 1dB steps
Phantom Power
14.4 VDC applied through 2.2 kOhms 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
Headphone Output
1/4" TRS stereo jack, mono signal, 14.85 mW at +9dB, maximum in 33 (level adjustable in menu 0 to -40 dB in 2 dB steps)
Line Output
RCA jack (black), -10 dBV (.32 VRMS); Output impedance 100 ohms at +9dB
Payment & Security
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