Fountek FE87

• Aluminum cone 
• 25mm voice coil 
• extended frequency response 
• low distirtion  
• Shielded

Specifications

• power handling (continuous/programme) = 13 W
• frequency range = 100-25000 Hz
• resonance frequency fs = 101 Hz
• impedance R = 8 Ohm
• sound pressure level SPL = 84 dB (2,83V; 1m)
• DC resistance Re = 6,776 Ohm
• force factor BL = 3,1 N/A
• effective piston radiating area Sd = 27,34 cm²
• effective mechanical mass incl. air load mms = 2,073 g
• equivalent volume of compliance Vas = 1,254 l
• total Q factor Qts = 0,73 (Qms=3,381, Qes=0,939)
• voice coil diameter = 25 mm
• maximum peak linear excursion vibration x_lin = +/- 1,0 mm
• mounting diameter d = 76,5 mm
• overall diameter d = 79 mm
• mounting depth (not countersunk) t = 52,7 mm
• mass m = 0,56 kg