OBERTON D2525

Throat diameter
Nominal impedance
Minimum impedance
D.C. resistance
Power capacity (1-20 kHz)
Program Power Capacity (1-20 kHz)
Sensitivity (2-15 kHz)
Frequency range
Recommended crossover
Voice coil diameter
Flux density  

25.4 mm (1 in.)
8 Ohms
6.74 Ohms
5.65 Ohms
20 W
40 W

105 dB
1.5 - 20 kHz
2.5 kHz or higher 12 dB/oct.min
25 mm (1 in.)
1.75 T  

Diaphragm 
Voice coil material 
Voice coil former 

sandwich polyester 
Aluminium  
Kapton™ 

Overall diameter 
Depth 
Mounting 

Net weight

86 mm
58 mm
2 x M5 on 76.2 mm (3 in.) diameter

0.86 kg