Williams Sound TGS R7 User Manual
FM Tour Guide Receiver, Model TGS R7
Williams Sound
®
Helping People Hear
EAR
Volume
1
On/Off
Volume
Control
Headphone
Jack
™On∫ Indicator LED
TGS R7 Top
TGS R7 Front
Williams Sound
Description:
The TGS R7 is a single-channel, body-pack style receiver and is compatible with any Williams Sound FM Tour
Guide Receiver®transmitter operating on 72-76 MHz bandwidth. The TGS R7 features an impact-resistant casing
and a belt clip for hands-free operation. Each receiver is pretuned, and field adjustable by internal tuning coil. A
3.5 mm mono phone jack accommodates low-impedance mono earphones, headphones and neckloop telecoil
couplers. The 3.5 mm phone jack conveniently serves as a charging jack for rechargeable batteries.
PPA R7 Receiver:
Dimensions & 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
Color: Gray
Battery Type: 9 Volt, Eveready 522 Alkaline or BAT 003 Ni-Cad
Battery Drain: 14 mA, nominal
Battery Life: 32 hours with Eveready 522, 6 hours/charge with BAT 003
FCC ID: CNM R7
Operating Frequency: Pre-tuned, adjustable, 72 MHz-76 MHz *
Intermediate Frequency: 75 KHz
FM Deviation: 75 KHz wideband
De-Emphasis: 75 uS
AFC Range: ± 300 KHz
Sensitivity: 2 µV at 12 dB Sinad with squelch defeated
Squelch: Squelches at 10 µV for minimum 50 dB S/N ratio
Input Overload: 20 mV
Frequency Response: 100 to 10 KHz, ± 3 dB
Signal-to-Noise Ratio: 50 dB at 10 µV
Receive Antenna: Integral with earphone/headphone cord
Audio Output: 250 mW, max. at 16 Ohms
Output Connector: 3.5 mm mini phone jack, also serves as a charging jack
for rechargeable battery
Headphone: Lightweight, mono, 3.5 mm plug, 16 Ω
Warranty: 5 years, parts and labor (90 days on accessories)
*Note: FCC rules limit the use of the 72–76 MHz band to hearing assistance for the handicapped only. Other frequencies are available that do not have this use restriction.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2005, Williams Sound Corp. MCAT 038A
1
FM Tour Guide Receiver, Model TGS R7
Williams Sound
®
Helping People Hear
Bid Specs:
The receiver shall be housed in an impact resistant plastic case with a hinged battery door that does not separate from
the receiver. The receivers shall be a body-pack type and include a belt-clip case for hands-free operation. The receiver shall have a 3.5 mm mono phone jack and accommodate low-impedance mono earphones, headphones and neckloop telecoil couplers. The 3.5 mm phone jack shall also serve as a charging jack for rechargeable batteries.
Receiver frequencies shall be pre-tuned and adjustable by means of an internal tuning coil. A four-channel receiver
model shall be available for use with the system.
The receivers shall receive FM signals in the 72-76 MHz audio assistance band with 75 µS de-emphasis. The receivers
shall provide a maximum output of 250 mW at 16 ohms with an earbud-type earphone. The system electrical frequency response shall be 100 Hz to 10 kHz, ±3 dB and the signal-to-noise ratio shall be 50 dB at 10 µV.
The receiver shall be covered by a five-year parts and labor warranty, excluding earphones, headphones, batteries and
chargers. The receiver model shall be the Williams Sound Corp. model TGS R7.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2005, Williams Sound Corp. MCAT 038A
2
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