Product Overview
Introducing the groundbreaking FM+ C – a transmitter like no other, offering both FM broadcast and Wi-Fi audio broadcast from a single input source. Whether it's for assistive listening, language interpretation, or audio description, this revolutionary "dual broadcast" technology allows users to enjoy real-time audio streams on their smartphones or tablets through the free WaveCAST receiver app (available on iOS and Android), or opt for the convenience of an available FM receiver provided by the venue.
Innovation meets control with FM+ C, as it supports Telnet commands via an Ethernet port, granting AV professionals the power to effortlessly manage and monitor the FM+ C using third-party room control systems.
And there's more – this version of the product is equipped with Dante, adding another layer of cutting-edge features to elevate your audio experience to new heights. Embrace the future of audio broadcasting with FM+ C, where versatility, convenience, and control converge for unparalleled listening pleasure.
Williams AV FM-T55CD-00 Includes:
- (1) ANT 025 antenna
- (1) TFP 062 power supply
- (1) WLC 004 line cord
Williams AV FM-T55CD-00 Features:
Williams AV FM-T55CD-00 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
- 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 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 with backlight. Green backlight indicates power ON, backlight off indicates power OFF.
- Temperature Range: Operating: +32° F to +122° F (0° C to 50° C); Storage: -4° F to +158° F (-20° C to 70° C)
- User Interface: 1. 3.12” High Resolution OLED display with selections via buttons. 2. Hosted Web page. 3. Telnet commands over ethernet (see our WaveCAST and FM+ Programmers Guide” for available commands and protocol).
- Dante: (1x) RJ-45 jack. Only available on FM T55C 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. RJ-45 jack used for web page and streaming audio out. An external Router/DHCP Server is required to stream audio to receiving devices.
- RF Section:
- 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 microsec
- RF Field Strength: Does not exceed 80 mV/m at 3 m
- Compatible Antennas: ANT 005, ANT 021, ANT 024, ANT 025, ANT 028, ANT 029, ANT 034
- Transmission Range: Up to 1000 ft (304 m) with ANT 005 coaxial antenna mounted on rear chassis F-connector
- RF Outputs:
- (1x) #10-32 stud connector in center of unit (pcb mounted)
- (1x) F-connector on rear chassis
- RF Transmit (RF) Power Indicator: 1 OLED On Air Indicator with 4 states indicating power level Off, Low, Medium, and Full Power.
- RF Time Out (sleep mode): 30 min. duration, 4 hr. duration, or Always On; selected via web page. When audio drops below -18dB, the selected duration begins, and when it expires the unit stops transmitting and goes into a low-power (“sleep”) mode. Any button press or resumption of audio above -18dB “awakens” the unit and it begins transmitting again.
- Audio Section:
- 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. Optional RJ-45 Dante Input (“D” models only).
- Audio Processor Functions: DSP based; Compression: 1:1, 1.5:1 or 2:1; High-pass and Low-pass Filter Frequency control, Music, Voice, and Hearing Assistance Audio Presets
- Frequency Response: 31-16000 Hz, ±3 dB (re: 1 kHz) (“Music” Audio Preset)
- Signal-to-Noise Ratio: 64 dB (typical) Transmitted RF @ 1kHz
- Total Harmonic Distortion: Less than 0.25% @ 1 kHz (RF output)
- Common Mode Rejection: Greater than 57 dB @ 1 kHz, Mic or Line mode
- Audio Input Gain Adjust: Adjustable from +24dB to -60 dB, in 1dB steps from front screen or web page
- 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 Display: Front screen bar graph display, each segment representing 3dB. It ranges from -18 (1 segment lit) to +12dB (10 segments lit). Over-range warning is indicated by ‘OLVD’ and flashing empty bar.
- Headphone Output: 1/4″ TRS stereo jack, mono signal, 7.8 mW total power with 33 Ω.
- Dante Output: (1x) RJ-45 jack
- Input Level (Bal or Unbal) (at Audio Input Gain = 0dB):
- Nominal (@7th Segment Lit)
- Overload Warning (Displayed on Screen)
- Absolute Max. Rating
- Microphone:
- -45 dBV (5.6 mV RMS)
- -20 dBV (100 mV RMS)
- +20 dBV (10.0 V RMS)
- Line:
- -8.4 dBV (380 mV RMS)
- +16 dBV (6.5 V RMS)
- +20 dBV (10.0 V RMS)
- Approvals: FCC, RoHS3, WEEE, Industry Canada
- Warranty: 2-year warranty against component failure and manufacturing defects. See the Full Warranty statement on the website for details.* Stresses above these ratings may cause permanent damage or degrade reliability.
