Ystem, Pecifications – Williams Sound HEARING HELPER TGS PRO 720 User Manual

Page 19

YSTEM

PECIFICATIONS

FM T

RANSMITTER

, M

ODEL

PFM T31

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, 12 hours approx. life
(OR) Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026),
70 mA nominal current drain, 10 hours per charge approx., recharges in 14-16
hours, uses CHG 200 Charger

Operating Freq’s:

Selectable, 10 channels, 72.1-75.9 MHz, internal DIP switch

Stability:

+ .005%, frequency synthesized, crystal reference, PLL

Modulation:

Wide-band FM, 75 kHz, 75 µS pre-emphasis

RF Output:

8000 µV/m at 30 m, max., 40 mW typical

FCC ID:

CNM T30

Freq Response:

100 to 10 kHz, + 3 dB at 1% max. THD

Signal-to-Noise Ratio:

55-60 dB, with R31 or R32 Receiver

Auto Gain Control:

40 dB range, 30 mV threshold

Transmit Antenna:

Integral with 39" microphone cord

Microphone:

Omnidirectional condenser, Lavalier-type, 39" cord,
3.5 mm mono phone plug (MIC 081)

Controls:

On/Off switch, slide-type
Mute switch, slide-type

Mic Connector:

3.5 mm mono phone jack

Warranty:

5 years, parts and labor (90 days on accessories)

ECEIVER

, M

ODEL

PPA R35

Dimensions:

4.1" L x 2.85" W x 1.2" H (104.1 mm x 72.4 mm x 30.4 mm)

Weight:

4.5 oz (127 g)

Color:

Gray

Battery Type:

Two (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 100 hours
battery life or
Two (2) AA rechargeable NiMH batteries (BAT 026), 1400 mAh, approx 56
hours battery life

Current Consumption:

Nominal 40 mA

FCC ID:

CNM R35

Industry Canada Cert.:

1360A-R35

Operating Freq.:

Pre-tuned, adjustable, 72 MHz-76 MHz *

Intermediate Freq.:

75 kHz

FM Deviation:

75 kHz

De-Emphasis:

75 µS

LED Indicator

Power: Green; Low Battery: Red

AFC Range:

± 120 kHz

Sensitivity:

2 µV at 12 dB Sinad with squelch defeated

Input Overload:

20 mV

Frequency Response:

100 – 15 kHz, ± 3 dB

Signal-to-Noise Ratio:

65 dB at 10 µV

Receive Antenna:

Integral with earphone/headphone cord

Audio Output:

35 mW, max. at 16

Ω

Output Connector:

3.5 mm mono phone jack

Earphone:

Earbud-type with foam cushion, 3.5 mm plug, 32

Ω

Notes:

The R35 Receiver can be field tuned to any of 10 wideband
channels using the PLT 005 Tuning Tool.

Warranty:

Five years, parts and labor. 90 days on cords, earphones,
headphones, batteries and other accessories

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.