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Personal PA
®
FM Listening System, Model PPA 575
©2005, Williams Sound Corp. CAT 1
02B
Williams Sound
®
Helping People Hear
2
T35 Rear Panel
INPUT LEVELS (Bal or Unbal): Nominal (1st Amber LED) Maximum (Input Overload LED) Absolute Maximum Ratings*
Microphone Simplex-Mic: -60 dBV (1mVRMS) -20 dBV (100 mVRMS) +20 dBV (10.0VRMS)
Line: -8 dBV (400mVRMS) +16 dBV (6.3 VRMS) +20 dBV (10.0VRMS)
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 dBV audio line output, 1 kHz
Warranty: 5 years, parts and labor**
*Note: Stresses above these ratings may cause permanent damage. Exposure for extended periods may degrade reliability.
**90 days on cords, antenna, power supply and accessories.
PPA R19 Receiver:
Model PPA R19: 2-Channel, pre-tuned, selectable CH 33 (72.9 MHz), CH 53
(75.7 MHz) standard 10 channels available (72.1-75.9 MHz)
Model PPA R19–6: 6-Channel, pre-tuned, selectable
CH 13 (72.1 MHz), CH 23 (72.5 MHz),
CH 33 (72.9 MHz), CH 53 (75.7 MHz)
CH 38 (74.7 MHz), CH 43 (75.3 MHz)
Dimensions: 3-5/8" L x 2-3/8" W x 7/8" H (92.1 mm x 60.3 mm x 22.2 mm)
Weight: 3.2 oz (90 g) with battery
Color: Neptune Blue
Battery Type: (2) BAT 001 AA Alkaline or (2) BAT 026 NiMH
Battery Drain: 20 mA, nominal
Battery Life: 90–100 hrs with 2 AA Alkaline,
45-50 hrs/charge with BAT 026
Operating Freq: Crystal controlled. See factory for frequency
changing instructions.
Intermediate Freqs: 10.7 MHz, 455 kHz
FCC ID: CNMR19
Earphone: Earbud-type with foam cushion, 3.5 mm plug, 32
Ω
Output Connector: 3.5 mm mini phone jack
FM Deviation: Narrow–band, 5 kHz
De-Emphasis: 300 µS
Sensitivity: 0.7 µV at 12 dB Sinad
Squelch Level: 4 µV for minimum 40 dB S/N ratio
Frequency Response: 100 – 5 kHz,
±
3 dB (T
one: Lo)
Receiver Antenna: Integral with earphone cord
Signal-to-Noise Ratio: 50 dB
Audio Output: 35 mW
, max. at 16
Ω (Tone: Lo; 3 VDC Bat.)
Acoustic Output: 125 dB Max SSPL90 with EAR 013
CONTROLS
Tone:
Switched Low-Cut. Lo: 20 Hz / Mid: 120 Hz / Hi: 700 Hz
Volume & On/Off: Combination, integral
Channel Selector: PPA R19: 2-position, slide switch
PPA R19-6: 6-position, rotary switch
Warranty: 5 years (90 days on accessories)
R19-6 Top
Channel
Switch
Tone Controls
Volume /
On-Off
Control
Earphone/
Charging
Jack
Power
On/Off Indicator
Ear
Channel
1
2
3
4
5
6
Volume
Off Max
L
o Mid Hi
Tone
R19 Top
Channel
Switch
Ton
e Controls
Volume/
On-Off
Control
Earphone/
Charging
Jack
Power
On/Off Indicator
1
EAR Channel
12
Volume
Lo HiMid
2
Off Max
Ton
e
R19
/ R19-6
Fro
nt View
Williams Sound