| PPA T45 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, 0.75A, 18W. 2.5mm ID center positive barrel connector
Approvals: UL, CUL, Energy Star V 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) |
| 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 |
| Color |
Black/Silver with black legends on the front, white legends on the back |
| Dimensions (H x W x D) |
1.72" (4.4 cm) x 8.45" (21.5 cm) x 8.25" (21 cm) |
| Weight |
3.0 lbs (1.36 kg) |
| 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, Of |
| 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 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 |
| Ethernet |
RJ-45 on back of unit (PPA T45NET only) supports CAT5e cable lengths up to 328 feet (100 meters); 10/100 Base-T IEEE 802.3 compliant, unique MAC address |
| Approvals |
FCC, RoHS2, WEEE, Industry Canada |
| PPA R37 Receiver |
| Battery Type |
Two (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 48 hours battery life, or
Two (2) AA rechargeable NiMH batteries (BAT 026), 1600 mAh, approx 30 hours battery life |
| Current Consumption |
Nominal 52 mA |
| Operating Freq |
17 channels: 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 or 75.9 MHz |
| FM Deviation |
+75 kHz |
| De-Emphasis |
75 μS |
| LED Indicator |
Power: Bright Green. Low Battery: Flashes |
| Sensitivity |
2 μV at 12 dB Sinad with squelch defeated |
| Input Overload |
100 mV |
| Frequency Response |
200 Hz to 15 kHz, ± 3 dB |
| Signal-to-Noise Ratio |
65 dB at 100 μV |
| Receiver Antenna |
Integral with earphone/headphone cord |
| Audio Output |
35 mW, max. 16 ohm load |
| Output Connector |
3.5 mm stereo phone jack, accepts either stereo or mono plug |
| Approvals |
FCC, Industrie Canada, RoHS, WEEE |
| Color |
Black |
| Dimensions (H x W x D) |
4.1" (104 mm) x 2.85" (72 mm) x 1.38 (35 mm) |
| Weight |
0.28 lbs (130 g) with batteries, 2.6 oz w/o batteries (73g) |
