Bonjour,
 
Tout est dit dans le titre.
 
VENTURE AUDIO: http://www.venture-audio.com/defau [...] &CatID=103
 
VT-7 SD

 
SPECIFICATIONS:  
Power Handling capacity:  Max 100W 8 Ohm, speaker shall withstand 10 cycles of 1 minute-on & 2 minutes-off operation per IEC 268-5  
Power Test Condition:  Rated 50 W 8 Ohm, speaker withstands 100 hours of operation per RS 426 A program noise  
Rdc:   2 x 6 Ohm  
Sd:  132 cm2  
Qms:  5.9  
Qes:  0.37  
 
Qts:  0.34  
Fs:  25 Hz  
Vas:  70 lt  
Mms:  14.5 g  
BL:  8.3    
SPL W/m:  86.41 dB  
Net weight:    2010 gr  
Frequency bandwidth:  25 - 5,000 Hz  
 
 
VT-2 SR (Fullrange)

 
SPECIFICATIONS:
Power Handling Capacity:  Max 24 6 Ohm, speaker shall withstand 10 cycle of 1 minute-on & 2 minutes-off operation per IEC 268-5  
Power Test Condition:  Rated 12 Watt 6 Ohm, Speaker shall withstand 100 hours of operation per RS 426 A program noise  
Rdc:  4.63 Ohm  
Sd:  32 cm2  
Qms:  1.8 ~ 2.2  
Qes:  0.71  
 
Qts:  0.5 ~ 0.65  
Fs :  85 Hz  
Vas:  2.95 lt  
Mms:  1.85 g  
BL:  2.39  
SPL W/m:  85.4  
Net Weight:  560 gr  
Frequency bandwidth:  85 - 40,000 Hz

Bon personne connait venture audio alors?
 
Frequence de resonance 25Hz pour un 18cm c'est enorme.

non c'est juste possible.
Mais balance du 25 hz soutenu sur une membrane de 14 grammes et tu va comprendre sa douleur...