User Guide

File: Alph6ASealedMidRangeBox.bb6
Alpha6A Small Sealed MidRange Enclosure
By Jerry McNutt, Eminence Speaker LLC
100 Watt Thermal Limit; Must use a steep high pass filter set to 200 Hz or higher.
Box Properties
--Description--
Name:
Type: Closed Box
Shape: Prism, square
--Box Parameters--
Vb = 0.0954 cu.ft
V(total) = 0.11 cu.ft
Qtc = 0.736
QL = 20
F3 = 193.3 Hz
Fill = heavy
Driver Properties
--Description--
Name: Alpha-6
Type: Standard one-way driver
Company: Eminence Speaker LLC
Comment: Revised October 2005
Piston: Paper cone.
Suspension: Cloth surround.
Dust Cap: Solid paper dustcap.
Frame: Pressed steel basket.
Voice Coil: 1.5 inch (38.1 mm) copper.
Magnet: 20 oz ferrite magnet.
--Configuration--
No. of Drivers = 1
--Driver Parameters--
Fs = 118 Hz
Qms = 5.68
Vas = 5.8 liters
Xmax = 3.5 mm
Sd = 126.7 sq.cm
Qes = 0.6
Re = 7.2 ohms
Le = 0.19 mH
Z = 8 ohms
Pe = 100 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 100 watts
Eminence Designer
dB
121
115
109
103
97
91
85
79
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
120
114
108
102
96
90
84
78
5 Hz 10 50 100 500 1 K 5 K 10 K 20 K