Directed Electronics 2002 Studio Parameter Sheet
Text of the manual
Directed Studio Subwoofers
Directed Electronics, Inc. Woofer Parameter Sheet
11/26/2001
23104
23108
23124
23128
MODEL
3104
3108
3124
3128
Fs (Hz)
32.88
30.19
24.25
22.44
Vas (cu.ft.)
0.91
1.06
2.75
3.25
Vas (L)
25.90
30.07
78.02
91.99
Qms
4.12
3.66
4.71
3.55
Qes
0.52
0.49
0.41
0.38
Qts
0.46
0.43
0.38
0.35
Re (ohms)
3.79
6.80
3.79
6.8
Nominal Z (ohms)
4.00
8.00
4.00
8.00
Le (mh)
SPL (dB 1w@1m)
84.41
84.22
86.20
86.23
SPL (dB 2.83V@1m)
87.66
84.93
89.45
86.95
XMAX (inches)
0.60
0.55
0.50
0.55
XMAX (mm)
15.18
13.89
12.71
13.95
PE (watts) RMS
400
400
450
450
Peak power (watts)
500
500
600
600
Mmd (grams)
146.00
149.00
176.00
174.00
Mms (grams)
153.00
156.00
188.00
186.00
Cms (mm/N)
0.161
0.178
0.280
0.277
Bl (Tesla-M)
15.23
20.30
14.46
21.30
EBP
64
62
59
59
Sd (sq. m.)
0.0346
0.0346
0.0491
0.0491
Sd (sq. ft.)
0.3724
0.3724
0.5285
0.5285
Speaker displacement (cu. Ft.)
0.08
0.08
0.11
0.11
Sealed box (cu. ft.) low freq.
0.7
0.64
1.15
1.08
Avg. sealed box (cu. ft.)
0.45
0.43
0.80
0.77
Avg. sealed box H x W x D (in.) *
15.75x9.75x6
15.5x9.6x6
19x11.75x7
18.75x11.6x7
Avg. box F3 (Hz)
51
50
45
46.00
Avg. box Fb (Hz)
57
56
51
51
Avg. box Q
0.8
1
0.8
0.08
Sealed box (cu. ft.)SPL
0.32
0.31
0.47
0.45
Vented box (cu.ft.)
1.00
1.00
1.00
1.00
Vented box H x W x D (in.) *
20.25x12.75x7.75
20.5x12.75x7.75
21.25x13.25x8.25
21.5x13.25x8
Port tuning freq. (Hz)
32
30
33
32
Port diameter round (inches)
3
3
4.0
4.0
Port opening square (inches)
7.07
7.07
12.57
12.57
Port length (inches)
16.3
17.7
26.9
28.4
Other parameters
10"
10"
12"
12"
Magnet size (oz.)
100
100
100
100
Magnet housing dia.
6.30
6.30
6.30
6.30
Voice coil dia. (in)
2.50
2.50
2.50
2.50
Back-plate vent dia. (in.)
0.75
0.75
0.75
0.75
Mounting depth (in.)
5.5
5.5
6.2
6.2
Mounting hole dia. (in.)
9.1
9.1
11.0
11.0
Frame dia. (in.)
10.7
10.7
12.6
12.6
Frequency range (Hz)
25-2500
25-2500
20-2500
20-2500
Specifications are subject to change without notice
* Box dementions include speaker and port displacement area and represent total internal volume and material is 3/4"
© Copyright 2001 by Directed Electronics, Inc. All rights reserved
