Williams Sound Personal PA Wideband Receiver PPA R7-4NA Specification Sheet

Personal PA
Description:
The Personal PA R7-4NA is a four-channel wide-band re-ceiver pre-tuned to frequencies 72.1, 72.5, 72.9, and
75.7 MHz. It features a channel select knob, volume control on/off switch, and an earphone/charging jack. Built
in an impact resistant case, the R7-4NA is field tunable and will operate up to 32 hours with a single 9V non-
rechargeable alkaline battery.
Specificaitons:
Dimensions & Weight:
Color:
Battery Type:
Battery Drain:
Battery Life:
FCC ID:
Operating Frequency:
Intermediate Frequency:
FM Deviation:
De-Emphasis:
AFC Range:
Sensitivity:
Squelch:
Input Overload:
Frequency Response:
Signal-to-Noise Ratio:
Receive Antenna:
Audio Output:
Output Connector:
Earphone:
R7-4NA Channel Selector
Warranty:
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2005, Williams Sound Corp. MCAT 037A
™
Wideband Receiver, Model PPA R7-4NA
3-5/8" L x 2-3/8" W x 7/8" H
(92.1 mm x 60.3 mm x 22.2 mm);
3.2 oz (90 g) with battery
Gray
9 Volt, Eveready 216 Carbon,
Eveready 522 Alkaline, or
BAT 003 NiMH Rechargeable
14 mA, nominal
32 hours with Eveready 522,
6 hours/charge with BAT 003
CNM R7, CNM R74Y
Pre-tuned, adjustable, 72 MHz-76 MHz *
75 KHz
75 KHz
75 uS
± 300 KHz
2 µV at 12 dB Sinad with squelch defeated
Squelches at 10 µV for minimum
50 dB S/N ratio
20 mV
100-10 KHz, ± 3 dB
50 dB at 10 µV
Integral with earphone/headphone cord
250 mW, max. at 16 Ohms
3.5 mm mini phone jack, also serves as a charging jack
for rechargeable battery
Earbud-type with foam cushion,
32 Ω (Other styles available)
3.5 mm plug,
4-position, rotary switch
5 years, parts and labor
90 days on cords, earphones, heaphones, batteries,
and other accessories
Channel Switch
Earphone ™On∫ Indicator LED
Jack
Volume
2 3
EAR/CHG
1 4
1
Channel
R7-4NA Top
Williams Sound
R7-4NA Front
Williams Sound
Helping People Hear
On/Off
Volume
Control
®
1