BMS 12N610 12" 400 Watt Neodymium Low Midrange Speaker
8 Ohm

Features:
•99 dB Sensitivity 1 W / 1 m
•400 W Power Handling
•Extremely light weight of 3.2 kg
•3" Copper Sandwich Voice Coil for low Power Compression
•Double treated Cone for Water Protection
•Neodymium Magnet System
•Triple Aluminum demodulating Rings for ultra low Distortion
•Optimal for compact 2- or 3-way Systems

Specifications:
•Application Low-Middle
•Nominal impedance Ohm 8
•Power handling AES noise W 400
•Sensitivity ( 1W/1m ) dB 99
•Frequency response Hz 60 - 2500
•Voive coil diameter mm 77 (3")
•Voice coil material Cu
•Voice coil winding depth mm 15
•Magnet gap depth mm 8
•Basket Cast Aluminium
•Effect. diaphragm diameter D mm 260

Thiele – Small Parameters
•Resonance frequency Fs Hz 44.7
•DC resistance Re Ohm 5.70
•Mechanical Q factor Qms 4.25
•Electrical Q factor Qes 0.24
•Total Quality factor Qts 0.23
•Equivalent volume Vas L 67.60
•Moving mass Mms kg 0.074
•Mechanical compl. Cms mm/N 0.171
•BL factor BL Tesla m 22.22
•Effective piston area Sd m2 0.0531
•Max. linear excursion Xmax mm 3.5
•Voice coil inductance Le1k mH 1.08
•Le10k mH 0.38

Mounting Information
•Overall diameter mm 318
•Mounting holes diameter mm 8 x (7 x 8)
•Bolt circle diameter mm 300
•Baffle cut-out diameter mm 283
•Overall depth mm 145
•Net weight kg 3.2