Telex ST-300 - Manual

P E R S O N A L

l i s t e n i n g s y s t e m s

[email protected]

p r o j e c t

c l i e n t

d a t e

Sound Mate Product Logo
Telex Communications, Inc.

Burnsville, MN, USA

February 26th 2004

v e r s i o n

c o m m e n t s

v 1.0

Blue on CMYK Logo - Pantone 7455 C

A

NL-4S Neckloop Assembly

(for use with hearing aids equipped with telecoils)

B

HED-2 Collapsible Lightweight

Headphone

C

HED-3 Full Cushion Noise Reduction

Headphones

D

AFC-1 Under Chin Eartube

(for use with CMT-98 and Telethin Earphone Driver)

E

ES-1 Ear Speaker

F

DEB-2 Dual Earbud

with cord

G

SEB-1 Single Earbud

with cord

H

CCS-12 Replacement Cushion Covers

(Package of 12, for SEB-1, DEB-2 and HED-1 earbuds)

I

HED-1 Ultra Lightweight Headphone

J

HM-2 Head Worn Mic

K

PH-21 Noise Canceling Head Worn Mic

L

OLM-10 Mic

(Supplied with PST-170)

M

HGA-1 1/2 Wave Dipole Gain Antenna

S P E C I F I C A T I O N S

There are 17 standard frequency options for the following products:

72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 MHz

RF Frequency Range

72 to 76 MHz

Modulation:

FM ±25 KHz deviation

Signal-To-Noise Ratio

58 dB (77 dB with E.D.R.)

Maximum Deviation

±25 KHz

Audio Input

Balanced XLR-3F and unbalanced 1/4”

Antenna

1/4” wave telescoping omnidirectional

Audio Controls

Audio input level, monitor jack volume, E.D.R.

Power Requirements

13-20 Vdc or 12 Vac; 115Vac 60 Hz @ 300 mA

plug-in wallpack power supply

Dimensions

H 1-3/4” (4.5 cm) x W 7-1/2” (19.2 cm) x

D 5.9” (15 cm)

FCC ID

B5DM522

Backlit LCD Display

Ch., Freq, Audio Meter, Input setup,

RF level, and E.D.R.

RF Output Power @ 3M

Normal

25K µV/m

High

80K µV/m

ST-300 17-channel TranSmiTTer

(CaTalog no. 71912-000)

Sr-400 17-channel receiVer

(CaTalog no. 71913-000)

Power Requirements

(2) AA batteries, Alkaline, NiMH or NICAD

20 hours Alkaline, 16 hours NiMH, 8 hours NICAD

Audio Frequency Response

<3 dB Variation (100 Hz-10 KHz)

Modulation:

FM ±25 KHz deviation

Sensitivity

0.5 µV typical, 1.0 µV maximum,12 dB SINAD

Image Rejection

>65 dB

Signal-To-Noise Ratio

>77 dB with E.D.R.

Distortion

<2% T.H.D.

Audio Output @ 10% distortion into 8 Ohms:

2.0V / 15mW 3.0V / 80mV

into 32 Ohms: 2.0V / 10mW 3.0V / 50mW

Antenna Type

omnidirectional in earphone cord

Audio Controls

Volume, On/Off, High frequency boost control, E.D.R.

Earphone Connector Type

3.5 mm stereo or mono

Dimensions

H 4” (101 mm) x W 2-3/4” (70 mm) x D 1” (25 mm)

Visual Indicators

Backlit LCD Channel, Hi Freq, E.D.R.

Charger Contacts

Bottom of unit

FCC

Complies with Part 15

Audio Input Characteristics

Mic TA4M connector, 7.75 mV RMS input

for ±25 KHz deviation. Impedance, 10K Ohms,

nominal. Aux. Input, Female 3.5mm. 100mV

Unbalanced, 100K Ohm nominal

Antenna

Permanently attached trailing wire

Modulation:

FM ±25 KHz deviation

Frequency Response (System) 100 Hz to 10,000 Hz
System Signal-To-Noise

58 dB (77 dB with E.D.R.)

Pre-emphasis

115 µ seconds

Maximum RF Power

80K µV/m @ 3 m

Power Requirements

(2) AA batteries, Alkaline, NiMH or NICAD

8 hours Alkaline, 8 hours NiMH, 4 hours NICAD

FCC ID

B5DM521

PST-170 17-channel TranSmiTTer

(CaTalog no. 71914-000)

Sr-50 receiVer

(CaTalog no. 71155-XXX*)

Americas

Telex Communications Inc. 12000 Portland Ave South, Burnsville, MN 55337, USA

USA

Phone: 1-800-392-3497, Fax: 1-800-955-6831

Canada

Phone: 1-866-505-5551, Fax: 1-866-336-8467

Latin America Phone: 1-952-887-5532, Fax: 1-952-736-4212

©2004 TELEX COMMUNICATIONS, INC. SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE. PA-20652 USA 6/04

A

D

G

E

H

F

I

C

B

J

K

L

M

In accordance with Federal Communications Commission (FCC) rules and regulations, Telex

SoundMate personal listening systems are intended only for use in providing auditory assistance to

the handicapped and are not intended for use by the general public.

* The last three digits in the transmitter catalog number (XXX) will be determined

by the frequency that is selected.

R E C E I V E R S

T R A N S M I T T E R S

A C C E S S O R I E S

NOT SHOWN

RM-S Single Rack Kit

RM-D Double Rack Kit

Power Requirements

(2) AA batteries, Alkaline, NiMH or NICAD

30 hours Alkaline, 20 hours NiMH, 10 hours NICAD

Audio Frequency Response

<3 dB Variation (100 Hz-10 KHz)

Sensitivity

0.5 µV typical, 1.0 µV maximum,12 dB SINAD

Signal-To-Noise @ 1 mV Input

>60 dB

Distortion

<2% T.H.D.

Audio Output @ 10% distortion

into 8 Ohms:

2.0V / 15mW 3.0V / 80mV

into 32 Ohms:

2.0V / 10mW 3.0V / 50mW

Antenna Type

omnidirectional in earphone cord

Controls

Volume/On/Off Switch

Dimensions

H 4”

(101 mm)

x W 2-3/4”

(70 mm)

x D 1”

(25 mm)

Visual Indicators

Red LED On Indicator

Earphone Connector Type

3.5 mm stereo or mono

Charger Contacts

Bottom of unit

FCC

Complies with Part 15