- Description
Details
The Personal PA® 458 features the cutting-edge PPA T45NET transmitter, with network control, multiple digital audio input options and an OLED display with easy-to-manage menu navigation. Features three powerful microprocessors and the same high-quality audio and RF performance you’ve come to expect from Williams Sound. With an operating range of up to 1000 feet, the PPA 458NET is ideal for large venues where superior coverage is essential. This complete turnkey solution includes four PPA R38N receivers, each featuring an OLED display and on-screen channel selection with easy access to 17 pre-set, wideband frequencies (72-76 MHz). The system is expandable, accommodating any number of listeners. This system complies with 2010 ADA guidelines for hearing assistance and is covered by Lifetime PLUS Limited Warranty.
- Features
Features
- PPA T45NET professional transmitter with network control
- Up to 1000’ operating range
- Transmitter is FCC Part 15 compliant
- OLED display, push-button menus
- Microprocessor controlled
- Accommodates any number of listeners
- Adjustable power output
- Combo XLR, 1/4" TRS inputs
- Meets ADAAG guidelines
- Lifetime PLUS Limited Warranty (90 days on accessories)
- Specification
PPA T45 NET Transmitter 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 2.5 mm ID center positive barrel connector Approvals UL, CUL, Energy Star V, CSA listed Power ON Indicator Push On/Push Off latching power button, 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 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 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 Section 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 kHzAudio 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 Phantom Power 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 Audio Level Indicators Green LEDS indicate normal operating audio level peaks, Amber LEDS indicate close to overload peaks Audio Level Indicators Red LED indicates overload peaks Input Levels (Bal or Unbal) at Audio Input Gain = 0dB Nominal (1st Amber LED) Microphone: -55 dBV (1.7 mV RMS), Line: -25 dBV (55 mV RMS) Overload Warning (Displayed on Screen) 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) Dimensions (H x W x D) 1.72" (43.69 mm) x 8.45" (214.63) x 8.25" (209.55) Weight 3.0 lbs (1.36 kg) (Transmitter) Shipping Weight 4.50 lbs (2.04 kg) (Transmitter, Power Supply, Antenna and packaging) PPA R38NPPA FM Receiver 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 hrsCurrent 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 Dimensions (H x W x D) 4.1" (104 mm) x 2.85" (72 mm) x 1.38" (35 mm) Weight 4.6 oz (130 g) with batteries / 2.6 oz (73 g) without batteries EAR 013 Single Mini Earbuds Plug 3.5 mm mono Cord Length 39 inches Impedance 32 Ohms Frequency Range 20 - 20kHz Max Input Power 5mV Sensitivity 128dB @ 1kHz Driver Size 13 mm Replacement Earpad EAR 015 Weight 9 g ANT 025 Whip Antenna Used with T27, T35, T45 Connector Type Screw to PCB Cable Type N/A Nominal Impedance N/A Length 39" WCA 013 Audio Cable Description Single RCA - RCA audio cable Used with T27, T35 audio input cable Connector Type RCA - RCA Cable Type Two-conductor Impedance N/A Length 3 ft - In The Box
In The Box
- (1) PPA T45NET Transmitter
- (4) PPA R38N Receivers
- (2) NKL 001 Neckloops
- (4) EAR 022 Surround Earphones
- (1) ANT 025 Whip Antenna
- (1) TFP 048 Power Supply
- (1) WLC 004 Main Power Cord (U.S.)
- (1) WCA 013 RCA Audio Cable, 3ft
- (1) IDP 008 ADA Wall Plaque
- (4) BAT 001-2 AA Alkaline Batteries
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