PPA T35-01

Personal PA® Base-station Transmitter (Euro)

Product Highlights

  • Made in the USA
  • Meets ADAAG Guidelines
  • Accommodates any number of listeners




This professional transmitter features a powerful microprocessor, sleek digital display, and easy-to-use menu controls. Quickly choose between Voice, Music, or Hearing Assistance in the Application Preset menu. The T35 configures itself to the appropriate setting -- taking the guesswork out of complex audio installation. With an operating range of up to 1000 feet, the T35 is ideal for auditoriums, stadiums, theaters, or other large venues where superior coverage is essential.   Designed to meet accessibility requirements for hearing assistance and is covered by a Lifetime PLUS Limited Warranty.

Note: The T35 transmitter is approved by the FCC for operation in U.S. markets. The transmitter cannot be used in all countries. Check with your government´s radio regulations for 72 - 76 MHz operation.

Disclaimer: FCC rules limit use of this equipment to auditory assistance.

System Includes

System includes
(1) PPA T35 transmitter
(1) ANT 025 antenna
(1) WCA 013 audio cable
(1) TFP 027Euro power supply with WLC 005 line cord

*All items can be purchased separately

Ppa t35


  • Simple set-up and operation


  • 1000’ operating range
  • LCD display, push-button menus
  • Microprocessor controlled
  • Adjustable power output
  • Combo XLR, ¼" TRS inputs
  • Lifetime PLUS Limited Warranty. 90 days on accessories.



PPA T35 Architectural and Engineering Specifications

  • The PPA T35 transmitter shall be microprocessor controlled with push button configuration. It shall have an operating range of up to 1000 feet. It shall have 10 wideband and 7 non-standard wideband channels operating on 72.1–75.9 MHz. It shall have 77 narrowband channels operating on 72.025–75.975 MHz.

Front Panel:

  • The PPA T35 shall have a push button controlled LCD digital display. There shall be three pre-configured (selectable) application presets: Hearing Assist, Music and Voice. Configurations for Bandwidth, Frequency, Audio Input Source (Microphone, Line, Simplex), High Pass Filter, Low Pass Filter, Compressor Slope, Compressor Gain and RF Output Power shall be push button controlled. The audio level shall be adjustable by push button control. There shall be a 10 LED array showing +9 to -18 at 3dB intervals. The PPA T35 shall have a 1/4" phone jack with push button volume control. It shall have push button control for monitoring source audio or transmitted audio. It shall have an input overload indicator. It shall have an “on" indicator and power button.

Rear Panel:

  • The PPA T35 shall be powered by 24 VAC power supply via a 3-pin Molex® connector. It shall have a 75 ohm
  • F-connector antenna. It shall have an ANT 025 whip antenna on the top panel directly connected to the circuit board. The transmitter shall have an RCA line output jack. It shall have a combination 1/4" phone/XLR audio input jack. It shall have an RF “Off" timer that turns off RF signal after 1 hour of no audio activity.
  • The PPA T35 shall have FCC, RoHS, and WEEE approval and be powered by UL and CSA power supply. It shall have a Lifetime PLUS Limited Warranty. It shall be compatible with Williams Sound FM equipment operating on 72-76 MHz. The transmitter shall be a Williams Sound. model number PPA T35.


Dimensions, Weight:

8.45" (21.5 cm) W x 8.18" (20.8 cm) D x 1.72" (4.4 cm) H, 3.1 lbs (1.4 kg)


Black with white legends

Rack Mount:

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


Wall mount Class II transformer (TFP 016)

Input: 120 VAC, 60 Hz, 17 W

Output: 24 VAC, 500 mA with 3-pin Molex® plug


UL, CSA listed

Temperature Range:

Operating:0° C to 40° C (+32° F to +104° F)


Storage:-20° C to 70° C (-4° F to +158° F)

Operating Freqs:

72.1-75.9 MHz* , 10 wideband channels (selectable), 7 non-standard wideband channels (selectable) OR 72.025-75.975 MHz, 77 narrowband channels (selectable)

Frequency Accuracy:

±.005% stability, 0-50˚ C


Wideband: ± 75 kHz maximum. Narrowband: ± 5 kHz maximum.


Wideband: 75 µsec. Narrowband: 300 µsec

RF Field Strength:

Does not exceed 80 mV/m at 3 m

Nominal Range:

Up to 1000 ft (304 m) Note: Maximum transmitter range is achieved using the ANT 005 coaxial antenna

Audio Proc. Functions:

Reduced or Normal Compressor Gain

Compression Slope Control

High Pass and Low Pass Filter Frequency control

Frequency Response:

22 – 16000 Hz, +1, -3 dB (adjustable)

Signal-to-Noise Ratio:

74 dB transmitted

Audio Level Control:

Push-button audio level controls, adjustable to 0 to -50 dB

Audio Level Indicators:

10 LED array that reads +9 to -18 at 3 dB intervals

Power On Indicator:

Green LED indicates power on

Phones Output:

Mono signal, 1/4" TRS stereo jack, 67 mW, maximum in 50 ohms (adjustable 0 to -40 dB)

Audio Input:

Combination 3-pin XLR, 1/4" TRS jack

Line Output:

RCA jack, -10 dBV (.32 VRMS) output, impedance 100 Ω

LCD Menu Controls:

Applications Presets (Music, Voice, Hearing Assist)

(Push-Button Selection)

Bandwidth, Frequency, Audio Input Source (Microphone, Line, Simplex), High Pass Filter, Low Pass Filter, Compressor Slope, Compressor Gain, RF Output Power

Input Levels (Bal or Unbal):

Nominal (1st Amber LED)

Maximum (Input Overload LED)

Absolute Maximum Ratings**

Microphone Simplex-Mic:

-60dBV (1 mV RMS)

-20 dBV (100 mV RMS)

+20dBV (10.0 V RMS)


-8dBV (400 mV RMS)

+16 dBV (6.3 V RMS)

+20 dB V (10.0 V RMS)

Simplex Mode:

12 volts simplex power (DIN 45596) on the 3-pin XLR connector

RF “Off" Timer:

Turns off RF signal after 1 hour of no audio activity

Common Mode Rejection:

> 57 dB @ 1 kHz, Mic or Line

Total Harmonic Distortion:

< 0.25% @ -10 dB V audio line output, 1 kHz




Lifetime PLUS Limited Warranty, 90 Days on most accessories.

Other Models


Accessories for Personal PA® Base-Station Transmitter - Euro Power Supply [PPA T35-01]

ANT 005 Remote Coaxial Antenna

ANT 024 Dipole wall-mount antenna

ANT 029 Remote Antenna Kit

RPK 005 Single rack mount kit

RPK 006 Dual rack mount kit

Products compatible with Personal PA® Base-Station Transmitter - Euro Power Supply [PPA T35-01]


Download/View Name Type Language
Technical Bulletin - Connecting T35 to 70v Sound System Technical Bulletins English
FM Brochure - High Res Brochures English
PPA T35 Manual Manuals English
Outdoor Antenna Mounting (ANT 005) Technical Bulletins English
FM Frequency/Channel Chart Technical Bulletins English
PPA T35 Transmitter Specifications Specifications English
PPA T35 CAD Drawing CAD Drawings English
PPA T35 CAD Drawing CAD Drawings English
PPA T35 Manual Español Manuals Español
FM Brochure - Low Res Brochures English


Name Description Duration
Williams Sound: FM Listening Systems (PPA T35)

General information on how FM listening systems work.  Specific product information on the Williams Sound PPA T35 base station transmitter and complete line of FM assistive listening systems.