File: Beta8SmallVented Midrange150Watts.bb6
Beta8 Small Vented Mid Range Enclosure
By McJerry, Eminence Speaker LLC
Displacement Limited to 150 Watts; use a steep High Pass filter set to 130 Hz or higher.
Box Properties
--Description--
Name:
Type: Vented Box
Shape: Prism, square (optimum)
--Box Parameters--
Vb = 0.28 cu.ft
V(total) = 0.317 cu.ft
Fb = 95 Hz
QL = 7
F3 = 103.3 Hz
Fill = minimal
--Vents--
No. of Vents = 1
Vent shape = round
Vent ends = one flush
Dv = 2.5 in
Lv = 2.945 in
Driver Properties
--Description--
Name: Beta-8
Type: Standard one-way driver
Company: Eminence Speaker LLC
Comment: Revised OCT 2005
Piston: Paper cone.
Suspension: Cloth surround.
Dust Cap: Solid composition paper dust cap.
Frame: Pressed steel basket.
Voice Coil: 2 inch (50.8 mm) AL Wire. Kapton former.
Magnet: 34 oz ferrite magnet.
--Configuration--
No. of Drivers = 1
--Mechanical Parameters--
Fs = 65.1 Hz
Qms = 5
Vas = 24.29 liters
Cms = 0.379 mm/N
Mms = 15.45 g
Rms = 1.29 kg/s
Xmax = 3 mm
Xmech = 7.37 mm
P-Dia = 164.5 mm
Sd = 210 sq.cm
P-Vd = 0.0637 liters
--Electrical Parameters--
Qes = 0.42
Re = 6 ohms
Le = 0.49 mH
Z = 8 ohms
BL = 9.55 Tm
Pe = 225 watts
--Electromech. Parameters--
Qts = 0.38
no = 1.538 %
1-W SPL = 94.02 dB
2.83-V SPL = 95.27 dB
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