Eton 4-512/C8/25 RP

4“ bass-midrange driver for multiple usage, serrated paper membrane geometry, noncommitted sound character with harmonic, warm midrange and a solid bassrange, open reproduction with phase plug.

Specifications

• power handling (continuous/programme) = 40 W
• frequency range = 80-5000 Hz
• resonance frequency fs = 78 Hz
• sound pressure level SPL = 88 dB (2,83V; 1m)
• impedance R = 8 Ohm
• DC resistance Re = 5,8 Ohm
• force factor BL = 6,0 N/A
• voice coil inductance L = 0,35 mH
• effective piston radiating area Sd = 55 cm²
• effective mechanical mass incl. air load mms = 4,5 g
• equivalent volume of compliance Vas = 3,7 l
• total Q factor Qts = 0,32 (Qms=6,65, Qes=0,34)
• voice coil diameter = 25 mm
• maximum peak linear excursion vibration x_lin = +/- 2 mm
• mounting diameter d = 96 mm
• overall diameter d = 122 mm
• mounting depth (not countersunk) t = 60 mm