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DL 303 Dodecahedron Kit

DL 303 Dodecahedron Kit

Description

The DL303 is a dodecahedral sound source, which provides omnidirectional excitation according to all the latest standards. The source can be driven from a sound level meter, or an internal noise source that has been equalised for a flat response over the complete frequency range.

Key Features

• Amplifier Installed in the speaker
• Specification complying with International Standards ISO 140 ISO 354 ISO 3382 DIN 52210
• Measurement in room of the apparent sound insulation of dividing elements between rooms
• Measurement of reverberation time using interrupted noise according to ISO 354.
• Measurement of impulse response according to ISO 3382.
• Omnidirectionality according to ISO 140
• Frequency response 50 to 20.000 Hz (equalised)
• LW max (not equalised) 122 dB
• Weight 9.5kg

Kit includes:

DL 303 Amplified Spherical Loudspeaker with base and carrying handle
FC  300 Flight case for dodecahedron with pocket for remote control and cables
RC 303 Multi-function Remote Control

Connecting cables
TR 300 Aluminium Tripod
BP 300 Battery Pack AC current 230V, (under request AC115V)

Installed inside the Dodecaherdron:

• 12 x 130 mm loudspeakers with neodimium magnets
• Class D amplifier 300 W RMS (600 watts peak); very low heat dissipation. (94% efficiency)
• Generator with 2 x Pink Noise, 2 x White Noise, 2 x Swept sine
• Remote control receiver
• Intelligent battery charger
• Micro controller to linearise and extend the frequency response from 50 Hz – 20 kHz
• Auxiliary input for external generator

Download the datasheet here