Personal PA
®
FM Listening System, Model PPA 575
©2005, Williams Sound Corp. CAT 102B
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 (Tone: 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
Lo Mid Hi
Tone
R19 Top
Channel
Switch
Tone Controls
Volume/
On-Off
Control
Earphone/
Charging
Jack
Power
On/Off Indicator
1
EAR
Channel
1
2
Volume
Lo
Hi
Mid
2
Off
Max
Tone
R19 / R19-6
Front View
Williams Sound
