Williams Sound PPA T27 Datasheet
Personal PA
™
T27 Transmitter
• Model PPA T27
Personal PA™T27 Transmitter
• Model PPA T27
©2007, Williams Sound Corp. MCAT 055A
1
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
Description:
The PPA T27 transmitter will broadcast a speaker’s voice, music program, or audio service wirelessly up to
500 feet to a listening audience. Audience participants use the optional R35, R35-8, or any FM receiver
operating on 72-76 MHz frequency to pick up the broadcast. The PPA T27 has 17 available frequencies
and features an LED display and push-button channel selector. The speaker simply connects a microphone with a 3.5mm plug into the unit to broadcast their voice. Alternatively, the unit can connect to a
sound system through a line-level (RCA) jack to broadcast music or other audio service.
Applications:
• Theaters • Cinemas • Houses of Worship • Classrooms • Zoos • Any Place of Public Access
Dimensions & Weight: 4.1" W x 6.1" L x 1.3" H (104.1 mm x 154.9 mm x 33 mm)
7.8 oz. (221 g)
Color: Black
Power (U.S./Canada): 105-130 VAC, 50-60 Hz, 3.2 W at 120 VAC
Operating Frequencies: 72-76 MHz*: 72.1 (CH A), 72.2 (CH K), 72.3 (CH B), 72.4 (CH N), 72.5 (CH C), 72.6 (CH O),
72.7 (CH D), 72.8 (CH P), 72.9 (CH E), 74.7 (CH I), 75.3 (CH J), 75.4 (CH R), 75.5 (CH F),
75.6 (CH S), 75.7 (CH G), 75.8 (CH T), 75.9 (CH H)
Frequency Selector: External switches, 17 channels (lockable)
RF Field Strength: Does not exceed 80mV/m @ 3m
Nominal Range: Up to 500 feet (152 m) w/standard ANT 021 “rubber duckie” antenna.
Up to 1000 feet (305 m) w/optional ANT 005 coaxial antenna.
Modulation: FM, 75 kHz deviation (wide–band) max.
Stability: ± .005% over 0-50˚C
Pre-Emphasis: 75 µS
Frequency Response: 85Hz - 14kHz ±3dB
Distortion: 1% Max. THD
Signal to Noise Ratio: 65 dB with R35 Receiver
Microphone Input: 3.5mm mini phone jack, supplies +DC for electret mics
Mic Input Level: 1–10 mV, nominal
Line-Level Input: RCA Jack, Hi Z, unbal.
Line Input Level: .1–1 Vrms, nominal
Input Attenuator: Pot, screwdriver-adjustable
Antenna Outputs: Thread mount for ANT 021 “rubber duckie” antenna or ANT 025 telescoping antenna
RF connector for ANT 024 dipole or ANT 005 coaxial antenna
Approvals: FCC, Industry Canada, RoHS, WEEE
Warranty: Five years, parts and labor. 90 days on cords, earphones, headphones, batteries and
other accessories
PPA T27 Transmitter:
PPA T27 Front Panel:
PPA T27 Rear Panel:
*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE
FOR THE HANDICAPPED.
Personal PA
™
T27 Transmitter
• Model PPA T27
Personal PA™T27 Transmitter
• Model PPA T27
©2007, Williams Sound Corp. MCAT 055A
2
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
Bid Specs:
PPA T27 Transmitter
The Williams Sound Corp. PPA T27 shall be housed in a heavy duty black plastic case 4.1” x 6.1” x 1.3”. It
shall be microprocessor controlled with push button configuration. It shall have an operating range of
up to1000ft. with optional ANT 005. It shall have seventeen wideband channels operating on the hearing assistance bandwidth between 72 MHz to 76 MHz. There shall be a 'rubber duckie' antenna output
through the top of the enclosure.
Front Panel:
The front panel shall have a push button controlled LED digital display showing the frequency selection.
Once a frequency is selected, there shall be a lock or unlock feature by holding down both the up and
down frequency buttons for three seconds. There shall be a 3.5mm mono microphone input jack for two
wire electret microphones. It shall have a rotary input level control. There shall be up and down frequency select buttons.
Back panel:
The PPA T27 shall be powered by a 24VAC power supply via a 5 pin DIN connector. It shall have a 75
Ohm F-connector antenna output. It shall have a Line-level, high impedance RCA, mono/unbalanced
input.
The PPA T27 shall have FCC, Industry Canada approvals, be compliant with RoHS and WEEE regulations,
and be powered by a UL and CSA approved power supply. It shall have a 5 year parts and labor warranty. It shall be compatible with Williams Sound FM equipment operating on 72 MHz to 76 MHz. The
Transmitter shall be the Williams Sound Corp. model number PPA T27.
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