Flush Mounted System STS-K003

The STS-K003 Speech Transfer System provides assistance for clear communication where normal speech is impaired by use of glass, a security screen or other similar barriers.

COMPONENTS

  • STS-A31H, Hearing Loop and Duplex Audio Communication Amplifier
  • STS-SU1, Staff Unit Speaker and Microphone
  • STS-S61, Customer Surface Mounted Speaker
  • STS-M56, Customer Surface Mounted Microphone
  • IL-AE99, Under the Counter Hearing Loop Aerial
  • PS-55, Power Supply

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Product Sheet
Installation Instructions

Applications

Perfect for settings where clear one-on-one communication is essential, such as: 

  • Banks
  • Post Offices
  • Theaters
  • Information Centers
  • Public Transit Systems
  • Ticket Counters
  • Embassies
  • Government Buildings

Standards

  • CE, ROHS and WEEE compliant
  • BS EN 60118-4, in correct installations

Physical Data (Boxed)

DIMENSIONS & WEIGHT

Height:
5.12”
Width:
13.39”
Depth:
9.45”
Weight:
5.29 lbs

CONSTRUCTION

Metalwork:
Mild Steel
STS-A31H:
ABS Plastic Housing

FINISH OPTIONS

Powder Coated:
Grey Leatherette
Black Textured

Physical and Technical Data (Individual Parts)

STS A31 Hearing Loop and Duplex Audio Communication Amplifier

PHYSICAL DATA

Height:
4.63”
Width:
4.50”
Depth:
1.58”
Weight:
0.32 lbs
Construction:
ABS Plastic Housing
Finish:
Matt Black, Fine Texture

TECHNICAL DATA

Supply Voltage:
12-14 VDC
Quiescent Current:
100mA typical
Operating Current:
2A typical on speech peaks
Power Switch:
Push on – push off (tact switch under membrane)
Microphones:
Electret, supply 5V via 2.2K load resistor
Speaker Output Power:
RMS: 2.5W / 8 Ω 4.4W / 4 Ω
Loop Drive Compliance:
Constant current, bounded by 4V RMS & 3A RMS
Total Harmonic Distortion:
<5% (loop and speakers)
STS-SU1 Staff Unit Speaker and Microphone

PHYSICAL DATA

Height:
4.63”
Width:
4.50”
Depth:
1.58”
Weight:
0.32 lbs
Construction:
ABS Plastic Housing
Finish:
Matt Black, Fine Texture

TECHNICAL DATA

Speaker

RMS:
5W
Impedance:
4 Ω
Output:
SPL 1W @ 1M 85dB
Frequency Resonse:
150Hz – 10300Hz

Microphone

Directional Response :
Cardioid
Sensitivity:
49.5dB+ 2dB @ 1kHz (0dB=1V/pa)
Impedance:
1.6K Ohms+ 3-% @ 1kHz
Frequency Response :
150Hz – 10500Hz
STS-S61 Surface Mounted Speaker, STS-M56 Surface Mounted Microphone

PHYSICAL DATA
Dimensions for both STS-S61 and STS-M56

Height:
4.26”
Width:
2.37”
Depth:
2.93”
STS-S60 Weight:
1.23 lbs
STS-M54 Weight:
1.04 lbs
Construction:
Mild Steel
Finish:
Powder Coated
Grey Leatherette
or Black Textured

TECHNICAL DATA

Speaker (STS-S61)

RMS:
5W
Impedance:
4 Ω
Output:
SPL 1W @ 1M 85dB
Frequency Resonse:
150Hz – 10300Hz

Microphone (STS-M56)

Directional Response :
Omni Directional
Sensitivity:
-42.5 ± 2.0dB @ 1kHz (0dB=1V/pa)
Impedance:
2K Ohms =/- @ 1kHz
Frequency Response :
100Hz – 5000Hz
PS-55 Power Supply
PHYSICAL DATA

Height:
1.38”
Width:
2.08”
Depth:
3.92”
Cable Length:
70.87”
Weight:
0.50 lbs
Construction:
ABS Case
Finish:
Black
 TECHNICAL DATA

Input:
100-240V 50-60Hz 1A max
Output:
14V 2.14A 30W max
IL-AE99 Loop Aerial
Dimensions:
To be moulded on site to required size by installer
Weight:
0.19 lbs
Construction:
Copper wire with PVC casing
Finish:
Black

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