Description
The cutting-edge PPA T45 transmitter offers multiple digital audio input options and an OLED high-resolution screen with easy-to-manage menu navigation. Features 3 powerful microprocessors and the same high-quality audio and RF performance you
 
Specifications:

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, 18 W, 2.5 mm ID center positive barrel connector

Approvals: UL, CUL, Energy Star V, CSA listed

Indicators

Power Indicators: Push On/Push Off latching power button, backlit Green indicates Power ON, back-lit off indicates power OFF
 
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

Temperature Range

Operating: +32 to +104°F (0 to 40°C)
Storage: -4 to +158°F (-20 to 70°C)

Menu Options

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

Operating Frequencies

72.1 - 75.9 MHz, 17 wideband channels (selectable)

Frequency Accuracy

±2 ppm stability, 32-122°F (0-50˚C)

Deviation

±75 kHz maximum

Pre-Emphasis

75 µsec

RF

RF Field Strength: Does not exceed 80 mV/m at 9.8' (3.0 m)
RF Timer: Menu selectable - 30 Min, 4 Hours, or Always On
Time 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”

Antenna Type

Compatible Antennas: ANT 005, ANT 021, ANT 024, or ANT 025

Transmission Range

Up to 1000' (304 m) with ANT 005 coaxial antenna mounted on rear chassis connector

Audio Processing 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 kHz

Gain Adjustment

In menu, adjustable to 0 to -50 dB, in 1 dB 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

Input Level

Microphone:
-55 dBV (1.7 mV RMS), nominal (1st amber LED)
-15 dBV (180 mV RMS), overload warning (displayed on screen)
+20dBV (10.0 V RMS), absolute maximum ratings

Line:
-25 dBV (55 mV RMS), nominal (1st amber LED)
+16 dBV (6.3 V RMS), overload warning (displayed on screen)
+20 dBV (10.0 V RMS), absolute maximum ratings

Headphone Output

1/4" TRS stereo jack, mono signal, 15.7 mW, maximum in 33 ohms (level adjustable in menu 0 to -40 dB in 2 dB steps)

Line Output

RCA jack (black), -10 dBV (.32 V RMS), output impedance 100 ohms

Ethernet

RJ-45 on back of unit (PPA T45NET only)

Approvals

FCC, RoHS2, WEEE, Industry Canada

Dimensions

8.45 x 8.25 x 1.72" (21.5 x 21 x 4.4 cm)

Weight

Transmitter: 3.0 lb (1.36 kg)