Model
Massive BOA 121
Rating
DIAM
12"
FS(Hz)
39
VAS(l)
11.8
QTS
0.57
PWR(W)
12000
SPL(dB)
88.5
IMP(Ohm)
1x2
avb
PROD
Some parameters have a deviation from parameters associated with them. Please, look at the exclamation marks to get advice.
Thiele-Small Parameters
Fs(Hz)
39
Vas(l)
11.8
Qts
0.57
Qms
7.1
Qes
0.62
Bl(Tm)
8.9
Mms(gr)
401
Cms(mm/N)
0.042
Rms(kg/s)
13.85
Le(mH)
0.58
Re(Ohm)
0.5
Sd(sq.mm)
45000
Vd(l)
1.125
X-max(mm)
25
X-mech(mm)
62
General Parameters
Diameter (inch)
12
Max Power(W.)
12000
RMS Power(W.)
6000
Number of Coils
2
Impedance Z-Nom(Ohm)
1
Reference efficiency η0(%)
0.11
Sensitivity(dB) 1-W
88.5
Sensitivity(dB) 2.8-V
88.5
Mounting Information
Speaker Displacement (l)
6.57
Total Diameter (mm)
317
Cutout Diameter (mm)
280
Mounting Depth (mm)
254
Magnet Diameter (mm)
0
Optimum Enclosures
Enclosures
Closed, Vented, BP4, BP6