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I3PR Car stereo manufacture

3PR is an ultra-compact passive speaker. It consists of a single 3 cone driver and a passive radiator on the back wall. The proprietary acoustic wave guide design improves the efficiency and directivity of the medium and high frequencies, and the passive radiator extends the low frequency response to 65 Hz.

Project Details

3PR is an ultra-compact passive speaker. It consists of a single 3 " cone driver and a passive radiator on the back wall. The proprietary acoustic wave guide design improves the efficiency and directivity of the medium and high frequencies, and the passive radiator extends the low frequency response to 65 Hz. 

The design and modeling concept of the shell was completed by the designer Mr. Stefan Lindfors, who has a wide variety of works all over the world. The injection-molded shell also uses UPM Formi's next-generation bio-based materials. This gives 3PR not only a unique and timeless appearance, but also strong, light and resonance-free characteristics.  

3PR does not have a frequency division function, which results in a completely flat phase response and the most accurate transient response.

 

Features :

  100 × 60 degree coverage mode  

  Unique high-sensitivity 3" driver

  Extended low frequency response due to the use of passive radiators

  Dedicated rigging system options

  Ultra-light but strong injection molding UPM Formi 

Shell black, white or custom color options

 

 

Application :

  Small and medium installation

  Nightclubs and music bars

  Voice enhancement

  Use XD10 subwoofer to enhance music

Specification :

  Frequency response ( -10 dB : 65 Hz-20 kHz   

  Horizontal coverage ( -6 dB : 100 degrees 

  Vertical coverage ( -6 dB : 60 degrees 

  Maximum sound pressure ( cont/ peak ): 105/112 dB (free space) 

  Sensitivity 1w/1m: 92 dB (free space) 

  Impedance: 16 ohms

  Power handling: 20 cont, 100  peak   

  Recommended HP filter: 120 Hz, 12 dB/octave  

Unit composition :

  LF/HF : ( 1 ) × 3" neodymium magnetic cone driver, horn loading 

  Passive radiator

Cabinet :

  Cabinet: UPM Formi and steel plate 

  Grille: cold rolled steel grille, black foam

  Connector: spring type

  Dimensions: 185 mm × 126 mm × 150 mm       

  Weight: 1 kg 


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