Listen Technologies LT-800-072-01 User Manual

RF Frequency Range:

72MHz: 72.05 - 75.95MHz
216MHz: 216.025 - 216.975 MHz

Transmitter Stability:

50 PPM

Output Power:

72MHz: 8000uV at 3 meters
216MHz: 100mW
(Max allowed by FCC)

Signal to Noise ratio:

72MHz: Wide band channels, 60dB;

Narrow, 54dB

216MHz: Wide band channels, 50dB;

Narrow, 44dB

Available Channels:

72MHz: 17 wide band, 40 narrow band
216MHz:19 wide band, 38 narrow band

RF Power Selection:

Full, 1/2, 1/4

Physical Dimensions:

8” W x 8”D x 1.75”H
(20.3cm W x 20.3cm D x 4.45cm H)
Optional rack mount kit, see Page 17

Weight:

3 lbs. (1.4 kg)

Power:

16 VAC/850mA

Audio Input 1:

F-XLR / 1/4” Phone, 50/600 ohms, balanced

-55dBm / +4dBm, selectable, adjustable

Audio Input 2:

Phono, 10k/50 ohms, unbalanced

-10dBm / +20dBm, selectable, adjustable

Audio Output (Mix):

Phono, 10k ohms, unbalanced, -10dBm

Headphone Output:

250mW, 32 ohms, 3.5MM stereo

Controls:

Mix, Process, Contour, Headphone Level,
Tone, RF Power Output, and ON/OFF

Visual Indicators:

Audio input levels 1, 2 and post processed
modulation level; channel; RF power, test tone

Listen’s FM Stationary Transmitter

LT-800 Stationary Transmitter

Tunable to 57 wide and narrow
band channels, automatically
switching between wide and
narrow band modulation (lockable)

Adjust the amount of audio processing depend­ing on your application – more processing
keeps levels louder and more consistent

Adjust voice intelligibility
equalization for your
application requirements

Indicates selected channel

Adjust audio level mix
between Inputs 1 and 2

Activates a tone to aid tuning
of non-Listen receivers

Indicates audio input
level of Inputs 1 and 2

Shows modulation of
the transmitter

Indicates RF output power
(full, 1/2 or 1/4) –
select on rear panel

Plug in a headset then adjust volume

Connect antenna through cover here
or connect external antenna here

Combined output
of inputs 1 and 2
post processing

Select line or speaker
level for Input 2

Connect wall
transformer
here

Connect balanced mic or
line level audio here

Select mic or line
Input 1

Connect
unbalanced line
or speaker level
audio here

Select RF power

Easy access to
Power ON/OFF

Telescoping (Top Mount)

(LA-106 or LA-102)

Front Mount Antenna

(LA-118 or LA-119)

216MHz Ground Plane

(Remote) (LA-107)

72MHz Rubber Ducky
(Top Mount) (LA-101)

Coaxial Dipole (Remote)

(LA-116 or LA-117)

Remote Base

(LA-103 or LA-104)

LT-800

Antenna Options

Listen Advantage:

No other company gives you

so many choices including the

choice of 72MHz or 216MHz fre-

quency bands (see back cover).

Our products are ideal for

expanded applications because

of their multiple features and

extreme versatility!

More Choices

More Choices

LT-800 Rack Mount Options

Dual Rack Mount Brackets (L A-310)

Single Rack Mount Brackets (L A-309)

LT-800 Specifications

LT-800 BENEFITS

Every Application –

A choice of 72 or 216MHz systems, complete antenna and accessor y

options, and superb audio quality make Listen products ideal for a wide range of applications.

Works Where Others Won’t – Incorporates the latest, most advanced technology for clear

transmission.

Tailor Your Sound Quality – Use the PROCESSING and CONTOUR controls to adjust audio
for your particular application.

Double the Range –

216MHz systems offer double the range of more familiar 72MHz

systems (see back cover for differentiation).

To Contact Listen:
Telephone: [phone]

Toll Free: 1.800.330.0891
Fax: [phone]
Email: [e-mail]
Internet: www.listentech.com

Updated: 6/2000

Available in
72 or 216MHz

TM