| Model: FM 457 PRO Specifications |
| Description |
Personal PA® Pro FM Assistive Listening System (4 Receivers) |
| System Includes |
(1) PPA T45 Transmitter
(4) PPA R37N Receivers
(4) EAR 022 Surround Earphones
(2) NKL 001 Neckloops
(2) BAT KT6 Dual Drop-in Charger Kits, each including (2) BAT 026-2 AA Rechargeable Batteries
(1) ANT 005 Coaxial Antenna
(1) ANT 025 Whip Antenna
(1) IDP 008 Wall Plaque
(1) RPK 005 Rack Panel Kit
(1) TFP 048 Power Supply
(1) WCA 013 RCA Audio Cable, 3 feet
(1) WLC 004 Main Power Cord (U.S.) |
| PPA R37 Specifications |
| 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 |
| Battery Type |
(2) AA Alkaline or 2 x AA NiMH |
| Battery Life |
Two (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 50 hrs | (2) AA rechargeable NiMH batteries (BAT 026), 1500 mAh, approx. 32 hrs |
| Current Consumption |
52mA nominal |
| Temperature Range |
– 0 to 50C |
| Channels |
17, accessed via seek button in battery compartment |
| Operating Freq. |
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* |
| Intermediate Freq. |
75 kHz |
| FM Deviation |
75 kHz |
| De-Emphasis |
75 µS |
| LED Indicator |
Power: Green; Low Battery: Flashes Green |
| AFC Range |
± 120 kHz |
| Sensitivity |
2 µV at 12 dB Sinad with squelch defeated |
| Input Overload |
100 mV |
| Frequency Response |
200 – 15 kHz |
| Modulation |
FM, +/- 75 kHz peak deviation |
| Signal-to-Noise Ratio |
65 dB min @ 100 uV |
| Receive Antenna |
Integral with earphone/headphone cord |
| Audio Output |
35 mW max, peak into 16 ohms |
| Output Connector |
3.5 mm stereo/mono phone jack |
| Earphone |
Earbud-type with foam cushion, 3.5 mm plug, 32 Ω |
| Auto Shut-off |
Enters sleep mode after approx 6 mins of no RF signal |
| Approvals |
FCC, Industry Canada, RoHS, WEEE |
| Warranty |
Lifetime PLUS Limited Warranty, 90 Days on most accessories. |
| PPA T45 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: 3.0 lbs (1.36 kg) | Shipping Weight: 4.50 lbs (2.04 kg) (Transmitter, Power Supply, Antenna and packaging) |
| Color |
Black/Silver with black 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 048) | 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) |
| 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). |
| RF |
| 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 Time-out (Sleep Mode) |
Menu selectable - 30 Min, 4 Hours, or Always On; timer starts when audio is below the -21dB VU level and no buttons are pressed |
| RF Power |
Menu selectable - Full, 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 Air” |
| Audio |
| 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 (“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 |
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 |
| 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 (level adjustable in menu 0 to -40 dB in 2 dB steps) |
| Line Output |
RCA jack (black), -10 dBV (.32 VRMS); Output impedance 100 Ω |
| Other |
| Ethernet |
RJ-45 on back of unit (PPA T45NET and PPA T45 NET D) supports CAT5e cable lengths up to 328 feet (100 meters); 10/100 Base-T IEEE 802.3 compliant, unique MAC address. Cat5e sheilded cable must be used to meet FCC requirements.** |
| Dante |
RJ-45 on back of unit (PPA T45 NET D only) supports CAT5e cable lengths up to 328 feet (100 meters); 10/100 Base-T IEEE 802.3 compliant, unique MAC address. Cat5e sheilded cable must be used to meet FCC requirements.** |
| Approvals |
FCC including Part 15**, RoHS2, WEEE, Industry Canada |
| Warranty |
Lifetime PLUS Limited Warranty (90 Days on most accessories |
| ANT 025 Specifications |
| Used with |
PPA T45, PPA T45NET, PPA T27 Transmitters |
| Connector type |
Screw to PCB |
| Cable type |
N/A |
| Nominal Impedance |
N/A |
| Length |
39" |
| EAR 022 Specifications |
| 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 |
| TFP 048 Specifications |
| Input |
100-240 VAC, 50/60 Hz, 0.5 A |
| Output |
24 VDC, 0.75 A |
| Weight |
0.3 lbs |
| WCA 013 Specifications |
| Description |
Single RCA - RCA audio cable |
| Used with |
PPA T27, PPA T45, PPA T45NET audio input cable |
| Connector type |
RCA - RCA |
| Cable type |
Two-conductor |
| Impedance |
N/A |
| Length |
3 ft |
| ANT 005 Specifications |
| Use with |
PPA T45,PPA T45NET, PPA T27 Transmitters |
| Connector type |
F-connector |
| Cable type |
RG 59 coax |
| Nominal Impedance |
75 Ohm |
| Total Cable Length |
22 ft |
| Active Antenna Length |
80 in |