Telex SR-400 User 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
insightdesign@wanadoo.fr
project
client
date
Sound Mate Product Logo
Telex Communications, Inc.
Telex Communications, Inc.
Burnsville, MN, USA
February 26th 2004
version
comments
v 1.0
Blue on CMYK Logo - Pantone 7455 C
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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)
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ES-1 Ear Speaker
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DEB-2 Dual Earbud
with cord
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SEB-1 Single Earbud
with cord
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CCS-12 Replacement Cushion Covers
(Package of 12, for SEB-1, DEB-2 and HED-1 earbuds)
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HED-1 Ultra Lightweight Headphone
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HM-2 Head Worn Mic
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PH-21 Noise Canceling Head Worn Mic
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OLM-10 Mic
(Supplied with PST-170)
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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
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
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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