Product Description
Williams Sound Wi-Fi Assistive Listening System with 24 FM R38 Receivers
Description
Replaces FM 458-24.
FM Plus Large-area Dual FM and Wi-Fi assistive listening system with 24 FM R38 receivers.
System includes
(1) FM T55 transmitter
(24) PPA R38N receivers
(24) EAR 022 surround earphones
(6) NKL 001 neckloops
(1) IDP 008 ADA wall plaque
Specifications
Ear 022
Style | Around-ear speaker |
Plug | 3.5mm mono |
Cord | 39" |
Driver Size | 23 mm |
Nominal Impedance | 32Ω |
Freq. Response | 20 - 20kHz |
Weight | 15g |
Max Power Input | 30 mW |
Sensitivity | 118 dB @ 1kHz |
Fm t55
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 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, backlit green indicates power ON, backlight off indicates power OFF, fading from bright to dark indicates Sleep Mode. | |||
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 | 3.12” 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) | |||
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, 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) (“Music” 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 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 ohms at +9dB | |||
Input Levels (Bal or Unbal) (at Audio Input Gain = 0dB) |
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Microphone |
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Line |
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Approvals | FCC, RoHS3, WEEE, Industry Canada | |||
Warranty | 2-year parts and labor |
NOTE: Specifications are subject to change without notice.
* Stresses above these ratings may cause permanent damage or degrade reliability.
Idp 008
10-3/8" (L) x 6-¼" (W) x 1/8" (H)
Ppa r38n architectural and engineering specifications
The receiver shall be encased in black, PC/ABS impact-resistant plastic with a hinged battery door. The receiver shall be a body-pack style and include a detachable belt-clip for hands-free operation. The receiver shall have a 3.5mm stereo jack to accommodate stereo or mono low impedance earphones, headphones and neckloops. The receiver shall have a power button that is backlit indicating power is on. The receiver shall receive 17 preset wideband channels between 72-76MHz. Channel selection shall be made in the menu. The receiver shall have channel-lock capability.
The receiver shall have a slide switch inside the battery compartment to select disposable Alkaline or NiMH rechargeable battery operation. It shall have charger contacts on the bottom of the receiver for use with Williams Sound drop-in chargers CHG 3512 and CHG 3502. The recevier shall operate up to 50 hours with two disposable AA Alkaline batteries (BAT 001-2) and up to 32 hours with two AA NiMH rechargeable batteries (BAT 026-2).
The receiver shall provide a maximum output of 35mW at 16Ω with an earbud type earphone. The systems audio frequency response shall be 200Hz to 15kHz ± 3dB and the signal to noise ratio shall be 65dB min. The receiver sensitivity shall be 2µV or better at 12dB Sinad with squelch defeated. The receiver shall accept up to ±75kHz FM deviation and have a 75 µS de-emphasis time constant.
The receiver shall have FCC, Industry Canada approvals and be compliant with RoHS and WEEE regulations. The receiver shall be covered by a Lifetime PLUS Limited Warranty, 90 Days on most accessories.
This receiver model shall be the Williams Sound model PPA R38N.
Ppa r38n
Dimensions: | 4.1" x 2.85" x 1.38" (104 x 72 x 35mm) |
Weight: | 4.6oz (130g) with batteries. 2.6oz (73g) without batteries |
Color: | Black/Silver. Black ABS Plastic case with Aluminum faceplate. |
Battery Type: | (2) AA Alkaline or (2) AA NiMH Rechargeable |
Battery Life: | (2) AA non-rechargeable alkaline batteries (BAT 001-2), approx. 50 hrs. |
(2) AA rechargeable NiMH batteries (BAT 026-2), 1500mAh, approx. 32 hrs. | |
Current Consumption: | 52mA nominal |
Operating Temp. Range: | 32° – 122°F (0° to 50°C) |
Channels: | 17 Wideband, accessed via menu |
Operating Frequencies: | 72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 MHz* |
FM Deviation: | 75 kHz |
De-Emphasis: | 75 µS |
Display Screen: | 1" OLED |
Power Indication: | Power button, backlit green. Good battery strength - glows solid. Low battery - flashes. |
Sensitivity: | 2 µV at 12 dB Sinad with squelch defeated |
Input Overload: | 100 mV |
Frequency Response: | 200 Hz – 15 kHz, ±3dB |
Modulation: | FM, +/- 75 kHz peak deviation |
Signal-to-Noise Ratio: | Minimum 65 dB @ 1.0V |
Receive Antenna: | Integral with earphone/headphone cord |
Audio Output: | 35 mW max at 16 Ω |
Headphone Connector: | 3.5 mm stereo jack, mono output for stereo or mono earphones/headphones |
Supplied Earphone: | Stereo,earbud-type with foam cushion, 3.5 mm plug, 32 Ω |
Power Save Mode: | Enters sleep mode after approximately 3 minutes of no RF signal |
Approvals: | FCC, Industry Canada, RoHS, WEEE |
Warranty: | Lifetime PLUS Limited Warranty, 90 Days on most accessories. |