Orion Cobalt CO 10 SVC - comes with original box and paperwork; serial # matches on box and sub (as pictured)
Nominal impedance 4 ohms
Re (DC resistance) 3.76 ohms
Levc (coil inductance) .77 mH
SPLo (reference efficiency) @2.83v 88.72 dB
Fo (free air resonance) 35.43 Hz
Qms (mechanical Q) 2.51
Qes (electrical Q) .70
Qts (total Q) .55
BL (force factor) 9.60 TM
Sd (cone area) .0324 sq M
Vas (volume acoustic suspension) 38.94 Liters (1.37 cu Ft)
Xmax (excursion) 9.78 mm
Pmax (thermal power handling) 400 watts
Mounting diameter 9.187 in
Basket displacement 114.5 cu in
Voice coil diameter 2.0 in
Absolutely perfect - not a single scratch/ding/dent. Never seen power, I actually found it in my garage and forgot I had it!
:$50 plus actual shipping
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SQL?? One or the other folks, make up your mind already!
Don: Surfer, you are a really well known SPL box builder - how do you make a box sound REALLY loud?
Surfer: You taketh the cardboard paper towel roll, you cutteth said roll longways, you tapeth said cardboard to the boxeth.