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Sennheiser DDA 430 portable infrared system

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The Sennheiser DDA 430 is a portable infrared hearing system to assist hearing impaired people. The system is supplied with everything needed to provide basic ir hearing support (up to 400 sq/m), and is stored in a heavy duty transport case. A sign is also provided to advise customers that the system is available.

The system is very easy to use without any prior experience of the equipment. Each system is supplied with laminated user instructions.

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01686 628012

General Description

The Sennheiser DDA 430 is a portable infrared hearing system to assist hearing impaired people. The system is supplied with everything needed to provide basic ir hearing support (up to 400 sq/m), and is stored in a heavy duty transport case.

The system comprises of an ir radiator mounted on a telescopic table stand, a sensitive condenser microphone with desktop microphone base, three induction neck loop ir receivers (for use with hearing aids), three stethoset ir receivers, a ten way charger, connection leads and a transport/storage case.

The system is very easy to use without any prior experience of the equipment. Each system is supplied with laminated user instructions.

Features

Quick to setup
Easy to use
Coverage up to 400 sq/m
Suitable for confidential meetings
Equality Act compliant
Mic and line inputs

Delivery Includes

1 SZI 1015-T DDA radiator
1 ME 34 cardioid mic capsule
1 MZH 3015 gooseneck microphone
3 HDI 830 stethoset receiver
3 RI 830S with EZT 3011 neck loop
1 L 300 10-10
1 NT 6
1 KM 233 table stand
1 protective storage case
1 line input cable
1 mic input cable

Technical Data

SZI 1015-T DDA radiator
IR diodes 72
Average radiating power 2 W
Max. Coverage area 400 m2
Carrier frequency range 30 kHz – 6 MHz
RF input 50 mV – 3 V, approx. 5 kΩ
Inputs/outputs BNC sockets/barrier strip
Operating voltage 25 – 30 V DC (via NT 1015 or SI 1015)
Current consumption – operation 0.7 A at 25 V – stand-by  max. 60 mA
Dimensions 250 x 100 x 80mm
Weight approx. 1.3kg
ME 34 microphone capsule
Transducer principle (Microphone) pre-polarised condenser microphone
Pick-up pattern cardioid
Acoustics pressure gradient transducer
Frequency response (microphone) 40 Hz - 20 kHz
Impedance 50 Ohm
Min. terminating impedance 1 kOhm
Maximum sound pressure level (passive) 130 dB SPL
Equivalent noise level 26 dB (A)
Equivalent noise level weighted as per CCIR 468-3 37 dB
Phantom powering P12 - P48
Current consumption 250 μA
Weight approx. 3 oz
Dimensions ø12 x L18 mm
MZH 3015 gooseneck microphone
Dimensions 150 mm
Diameter 6 mm
Weight 73 g
HDI 830 stethoset receiver
Modulation FM, stereo
Receiving frequency 2.3/2.8 MHz
Frequency response (headphones) 50 - 16,000 Hz
Max. Sound pressure level (active) 125 dB (1 kHz)
THD, total harmonic distortion < 1 %
Signal-to-noise ratio typ. 75 dB (A)
Operating time (Accupack) up to 12 hrs
Charging time approx 3 hrs
Weight incl. Accu approx. 68 g
RI 830S with EZT 3011 neck loop
Modulation FM, stereo
Receiving frequency 2.3/2.8 MHz
THD, total harmonic distortion < 1 %
Signal-to-noise ratio typ. 75 dB(A)
Operating time (Accupack) up to 12 hrs
Charging time approx 3 hrs
Weight incl. Accu approx. 50 g
Dimensions 70 x 60 x 26 mm
L 300 10-10 charger
Charging time approx. 3 hrs
Charging current per charging compartment  approx. 70 mA
Current consumption Max. 2 A
Voltage  6 V
Weight approx. 530g
Dimensions 400 x 130 x 50mm
Ambient temperature  0 – 40° C
NT 6 mains unit
Nominal input voltage 100 to 240 V~
Nominal input current max. 0.5 A
Mains frequency 50 – 60 Hz
Nominal output voltage 6 V
Nominal output current  max. 2.5 A
Operating temperature range  0° C to +45° C
Storage temperature range –25° C to +75° C
Weight145 g
Dimensions 71.7 x 50 x 33.2 mm

More Information
ManufacturerSennheiser

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