Williams Sound Stereo Receiver PPA R7 4NA User Manual

P e rs o n a l PAWideband Receiver, Model PPA R7-4NA  
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, volum e control on/off switch, and an earphone/charging jack. Built  
in an im pact resistant case, the R7-4NA is field tunable and will operate up to 32 hours with a single 9V non-  
rechargeable alkaline battery.  
Specificaitons:  
Channel Switch  
Earphone  
Jack  
™ On Indicator LED  
Dim ensions & Weight:  
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  
2
3
4
Volum e  
1
EAR/ CHG  
1
Color:  
On/Off  
Battery Type:  
9 Volt, Eveready 216 Carbon,  
Eveready 522 Alkaline, or  
BAT 003 NiMH Rechargeable  
14 mA, nominal  
Volume  
Control  
Channel  
Battery Drain:  
Battery Life:  
R7-4NA Top  
32 hours with Eveready 522,  
6 hours/charge with BAT 003  
CNM R7, CNM R74Y  
FCC ID:  
Operating Frequency:  
Interm ediate Frequency:  
FM Deviation:  
De-Em phasis:  
AFC Range:  
Pre-tuned, adjustable, 72 MHz-76 MHz *  
75 KHz  
75 KHz  
75 uS  
± 300 KHz  
Sensitivity:  
2 µV at 12 dB Sinad with squelch defeated  
Squelches at 10 µV for minimum  
50 dB S/N ratio  
Squelch:  
Willia m s Sound  
Input Overload:  
20 mV  
Frequency Response:  
Signal-to-Noise Ratio:  
Receive Antenna:  
Audio Output:  
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,  
3.5 mm plug, 32 (Other styles available)  
4-position, rotary switch  
5 years, parts and labor  
90 days on cords, earphones, heaphones, batteries,  
and other accessories  
Output Connector:  
Earphone:  
R7-4NA Channel Selector  
Warranty:  
R7-4NA Front  
NOTE: SPECIFICATIONS SUBJ ECT TO CHANGE WITHOUT NOTICE!  
©2005, William s Sound Corp. MCAT 037A  
Williams Sound ®  
Helping People Hear  
1
 
P e rs o n a l PAWideband Receiver, Model PPA R7-4NA  
Contact:  
United States and Mexico  
William s Sound Corp.  
10321 W. 70th Street  
Eden Prairie, MN 55344-3446  
Ph: 800-328-6190 / 952-943-2252 / FAX: 952-943-2174  
Em ail: info@william ssound.com  
Canada  
Thorvin Electronics  
2861 Sherwood Heights Dr. Units 36-37  
Oakville, ON L6J -7K1 Canada  
Ph: 800-323-6634 / 905-829-3040 / FAX: 905-829-4196  
South Am erica  
DPTech  
SIA Trecho 3/4 Lote 335 2°. Andar  
71200-030 Brasília, DF  
BRAZIL  
Ph: (5561) 361-1384  
Fax: (5561) 361-0948  
Em ail: w[email protected] .br  
Europe and Asia  
International Sales Departm ent  
William s Sound Corp.  
10321 W. 70th Street  
Eden Prairie, MN 55344 USA  
Phone: +1 651 493 2578 or +1 952 943 2252  
Fax: +1 952 943 2174  
Em ail: doreeni@william ssound.com  
Williams Sound ®  
©2005, William s Sound Corp. MCAT 037A  
 
Helping People Hear  
3

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