Dynamic Exciter:DAB390RA0 pages

Dynamic Exciter

PROTOTYPE

DAB390RA

Attaches to solid object and vibrates it to make sound.
Excites multiple oscillation modes for wide directivity.
Easily becomes watertight as it needs no opening as sound outlet.
Rigid structure for robust circuitry.
Light and compact, yet gives high output.

Specifications

Characteristics

Sound Pressure (

*)

Minimum Resonant Frequency ( )
*
Rated Input
Operating Temperature
Storage Temperature
Dimensions
Weight

( )Sound pressure changes depending on the mount surface.
( ) Measured with 1W input, microphone at 10cm distance, Open air on rear side.
Attached to acrylic panel (PMMA) 10cm(H)x20cm(W)x2mm(D)

*
*

Appearance and Dimensions
φ39

100

8

95
90

6

85
80

4

THD [%]

Model Name
Impedance

10

105

SPL [dB]

Description
DAB390RA
8 ±1.2Ω
Typ. 98dB at 500Hz
Typ. 92dB at 1kHz
Typ. 89dB at 2kHz
Typ. 91dB at 5kHz
570Hz
1W
-20 ~ +70 °C
-40 ~ +85 °C
φ39 - h11.5mm
25g

110

75
2

70
65
60

0
100

1,000

10,000

100,000

Frequency [Hz]

Application Examples
11.5

-Automobiles, Motorcycles
EV proximity announcement,
Voice guidance, Alarms, Music

-Marine Motor Sports
Voice guidance, Alarms, Music

-Store Displays
BGM, Product information

-Signs, Display Screens
Voice guidance, Product information, BGM

-Desks, Tables, Walls, Whiteboards
Presentation audio, Conference calls,
Video conferences

Attach on this side

-Kitchen, Bath
Music, TV audio

This is a product under development. It may or may not be commercially available with the above specifications. Appearance and specification are subject to change without
notice. The data shown here are typical values obtained in Star Micronics’ laboratory tests, and provided here for general information purposes only. Star Micronics disclaims any
warranties, expressed or implied, as to this information and assumes no obligation or liability therefore. Please refer to our official specification documents. Customization may be
available to suit particular application needs. For more information, inquire here.

R&D Center

e-mail: rdtech@star-m.jp

2012.09