Datasheet

File: Beta8MedVentedMultiPurposeBox.bb6
Beta8 Multi Purpose Med Vented Enclosure
By McJerry, Eminence Speaker LLC
Med Power Sat. use, 145 Watts Displacement Limit, use 150 Hz and up.
Low Power Semi-Full Range use, 75 Watt Displacement Limit, use 70 Hz and up.
Box Properties
--Description--
Name:
Type: Vented Box
Shape: Prism, square (optimum)
--Box Parameters--
Vb = 0.573 cu.ft
V(total) = 0.625 cu.ft
Fb = 64.8 Hz
QL = 7
F3 = 77.6 Hz
Fill = minimal
--Vents--
No. of Vents = 1
Vent shape = round
Vent ends = one flush
Dv = 3 in
Lv = 5.231 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 paper dust cap.
Frame: Pressed steel basket.
Voice Coil: 2 inch (50.8 mm) coated copper.
Magnet: 34 oz ferrite magnet.
--Configuration--
No. of Drivers = 1
--Driver Parameters--
Fs = 65.1 Hz
Qms = 5
Vas = 24.29 liters
Xmax = 3 mm
Sd = 210 sq.cm
Qes = 0.42
Re = 6 ohms
Le = 0.49 mH
Z = 8 ohms
Pe = 225 watts
Normalized Amplitude Response (dB-SPL/Hz)
Eminence Designer
dB
6
0
-6
-12
-18
-24
-30
-36
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K
Custom Amplitude Response (dB-SPL/Hz at 1 m) with 145 watts
Eminence Designer
dB
123
117
111
105
99
93
87
81
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K
Maximum Acoustic Power (dB-SPL/Hz at 1 m)
Eminence Designer
dB
124
118
112
106
100
94
88
82
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K