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rcf neo-magnet 1850 replacement

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psytron View Drop Down
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Joined: 13 July 2007
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    Posted: 17 July 2007 at 10:42pm
just browsing the rcf site and Found the LF18N402

here are its ts
Resonance frequency Fs 36 Hz
DC resistance Re 5.6 Ohm
Mechanical factor Qms 7.1    
Electrical factor Qes 0.25    
Total factor Qts 0.24    
BL factor BL 29 T - m
Effective Moving Mass Mms 165 gr
Equivalent Cas air load Vas 247 liters
Effective piston area Sd 0.122 m2
Max. linear excursion (mathematical) Xmax 7.3 mm
Voice - coil inductance @ 1kHz Le1k 2.6 mH
Half-space efficiency Eff 4.4 %

with a Fs/Qes = 144

is this an worthy replacemnt for the 1850 horn???

obv lighter (neo magnet).

????
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