Williams Sound FM Listening System PPA 575 - Manual

Personal PA ® FM Listening System, Model PPA 575
©2005, Williams Sound Corp. CAT 102B
Williams Sound ®
Helping People Hear 1
Description:
The T35 transmitter features 77 narrowband and 10 wideband channels for maximum reduction of outside radio
interference. With easy to use push-button controls, powerful microprocessor, the T35 champions the next
generation of hearing assistance technology. Quickly choose between Music, Voice or Hearing Assistance in the
Application Presets Menu and take the guess work out of complex audio installation. The PPA 575 has a range
of up to 1000 ft to accommodate all your large-area coverage needs. The PPA 575 system comes complete with
four (4) R19 narrowband FM receivers with EAR 013 earphones and batteries.
Applications:
• Churches • Schools • Auditoriums • Conference Rooms • Theaters
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)
Color: 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
Power: Wall mount Class II transformer (TFP 016)
Input: 120 VAC, 60 Hz, 17 W
Output: 24 VAC, 500 mA with 3-pin Molex ® plug
Approvals: 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)
FCC ID: CNMT35
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
Deviation: Wideband: ± 75 kHz maximum. Narrowband: ± 5 kHz maximum
Pre-Emphasis: Wideband: 75 µsec. Narrowband: 300 µsec
RF Field Strength: Does not exceed 8 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
PPA T35 Transmitter:
Audio Level Control: Push-button audio level controls, adjustable from 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
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
Power Phones Set
Source
Volume
Audio
Level
Input
Overload
On Air
+
–
+9
+6
+3
0
-3
-6
-9
-12
-15
-18
^
^
+ -
-
+
PPA T35
Digital Frequency Synthesized
T35 Front Panel