Williams Sound TGS PRO MULTI Specifications
Hearing Helper
™
FM Tour Guide System • Model TGS PRO MULTI
Hearing Helper™FM Tour Guide System • Model TGS PRO MULTI
ADAADA
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2007, Williams Sound Corp. MCAT
063A 1
Description:
The Hearing Helper™ FM Tour Guide System, model TGS PRO MULTI, helps tour group members
with hearing difficulties overcome background noise and distance from the guide. Use it in factories, museums, power plants—anywhere hearing assistance is needed. The Hearing Helper Tour
Guide System features eight selectable operating frequencies on 72 - 76 MHz. As a result, multiple
tour guide systems can operate within the same location, simultaneously, with no crosstalk or interference. System includes one (1) T32 transmitter with MIC 086 microphone, ten (10) R35-8 receivers,
batteries and a system carry case.
Applications:
• Group Tours • Destination Marketing Organizations • Cruise Ships • Tourism Offices
• University Tours • Large-Scale Guided Attractions • Museum & Presentation Centers
• Conferences Requiring Language Interpretation • Chambers of Commerce • Factory/Plant Tours
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: 4.4 oz (125 g) with battery
Color: Royal blue, shatter-resistant polypropylene
Battery Type: Two (2) AA 1.5 V non-rechargeable Alkaline batteries (BAT 001), 70 mA
nominal current drain, 30 hours approx. life
(OR) Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026), 70 mA
nominal current drain, 20 hours per charge approx., recharges in 14–16
hours, uses CHG 200 or CHG 1600 Charger
Operating Freq’s: Selectable, 16 channels, 72.1 – 75.9 MHz, internal rotary switch
Stability: ± .005%, frequency synthesized, crystal reference, PLL
Modulation: Wide-band FM, 75 kHz pk, 75 µS pre-emphasis
RF Output: 8000 µV/m at 30 m, max., 40 mW typical
Freq Response: 200 to 10 kHz, + 3 dB at 1% max. THD
Signal-to-Noise Ratio: 55 - 60 dB, with R31 or R32 Receiver
Microphone Gain Control: 45 dB maximum, 18 dB minimum
Transmit Antenna: Integral with 39" microphone cord
Microphone: Electret type, 39" cord, 3.5 mm mono phone plug
Controls: On/Off switch, slide-type; Microphone Mute Switch, slide-type;
Compression Selector 1:1 or 2:1 with internal selectable jumper
Mic Connector: 3.5 mm mono phone jack
Compatible Receivers: PPA R35, PFM R31, PFM R32
Approvals: FCC, Industry Canada, RoHS, WEEE
Warranty: 5 years, parts and labor (90 days on accessories)
Note: FCC regulations, section 15.21, requires the user to comply with the
rules of transmitter operation. Any changes or modifications made by
the user not expressly approved for compliance may result in the loss
of all privileges and authority to operate the equipment.
PFM T32 FM Transmitter
T32 Top
T32 Front
Hearing Helper
™
FM Tour Guide System • Model TGS PRO MULTI
Hearing Helper™FM Tour Guide System • Model TGS PRO MULTI
ADAADA
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2007, Williams Sound Corp. MCAT
063A 2
Dimensions: 4.5” H x 2.85” W x 1.2” D (115 mm x 72 mm x 30 mm)
Weight: 4.6 oz (130 g)
Color: Gray
Battery Type: Two (2) AA non-rechargeable alkaline batteries (BAT 001),
approx. 50 hours battery life or
Two (2) AA rechargeable NiMH batteries (BAT 026), 1400 mAh,
approx 32 hours battery life
Current Consumption: Nominal 40 mA
Operating Freq: 8 channels: 72.1, 72.3, 72.6, 72.8, 74.7, 75.4, 75.7, or 75.9 MHz.
All Channels Not Available on the PPA T20 Transmitter
Intermediate Freq: 10.7 MHz
FM Deviation: +/- 75 kHz
De-emphasis: 75 uS
LED Indicator: Power: Red. Low Battery: Flashes
Sensitivity: 2 uV at 12 dB SINAD with squelch defeated
Input Overload: 20 mV
Frequency Response: 40 Hz to 15 kHz +/- 3 dB
Signal to Noise ratio: 60 dB at 100 uV
Receive Antenna: Integral with earphone/headphone cord
Audio Output: 35 mW, max 16 ohm load
Output Connector: 3.5 mm mono phone jack
Squelch: Located inside battery door. Factory set for 25 dB S/N. Squelch
may be set with JFD-7104-5 from Sprague Goodman or any flat
tipped tuning tool with tip size .095 X .016
Notes: The R35-8 is NOT field tunable. The eight channels have been
carefully selected to inhibit inter-modulation interference.
Channel frequencies are 72.1, 72.3, 72.6, 72.8, 74.7, 75.4, 75.7,
and 75.9 MHz.
Approvals: FCC, Industry Canada, RoHS, WEEE
Warranty: Five Years, Parts and Labor. 90 days on cords, earphones, head-
phones, batteries, and other accessories
PPA R35-8 Receiver
Headphone
Jack
"On"/Low Battery
Indicator LED
R35-8 Top
Channel
Selector Knob
On/Off Switch
Volume Control
R35-8 Front
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