subwoofer
HP10D2
HP10D4
HP12D2
HP12D4
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SPECIFICATIONS
Directed Part Number
27202
27207
27212
27217
Model Number
HP10D2
HP10D4
HP12D2
HP12D4
Fs (free-air resonance)
31.42
33.14
29.46
27.75
Vas (equivalent compliance, cu. ft.)
Vas (equivalent compliance, liters)
Qms (Q, mechanical)
0.62
17.42
5.57
0.56
18
1.79
50.72
5.24
1.78
50.44
4.99
5.31
Qes (Q, electrical)
0.59
0.63
0.58
0.63
Qts (total driver Q)
0.53
0.57
0.52
0.56
Re (DC resistance, ohms)
3.8
6.85
3.8
6.8
Z (nominal impedance, ohms)
Le (inductance, mh)
4
8
4
8
2.01
2.79
2.01
2.85
Efficiency (2.83v/1M, dB)
84.79
0.55
82.72
0.55
87.25
0.55
84.94
0.55
Xmax (one-way linear excursion, in.)
Xmax (one-way linear excursion, mm)
Power (continuous power handling)*
Peak power handling (music,)**
Mms (total moving mass, grams)
Cms (mechanical compliance, µM/N)
BI (motor strength, Tesla-M)
Sd (effective radiating area, sq. m.)
Sd (effective radiating area, sq. in.)
Frequency range (Hz)
14
14
14
14
500 watts
1000 watts
205
500 watts
1000 watts
182
500 watts
1000 watts
247
500 watts
1000 watts
226
125
127
147
146
16.22
0.033
51.15
40-2.5k
53
20.1
16.43
0.050
77.5
20.59
0.050
77.5
0.033
51.15
40-2.5k
53
30-2.5k
46
30-2.5k
44
Energy Bandwidth Product (EBP)
Driver Physical Dimension
Speaker Displacement (cu. ft.)
Mounting hole diameter (in.)
Mounting depth (in.)
0.077
0.077
9
0.096
11
0.096
11
9
6.5
6.5
7
7
Basket diameter (in.)
10.25
10.25
12.35
12.35
Recommended Enclosures
Typical Sealed Enclosure (cu. ft.)
SPL Sealed Enclosure (cu. ft.)**
Low Qtc Sealed Enclosure (cu. ft)*
0.55
0.65
1.25
1.35
0.35
0.65
0.95
0.35
0.65
0.95
44
0.65
2.05
1.35
40
0.55
2.15
1.45
40
Vented Enclosure (cu. ft.)
***
Port Tuning Frequency (Hz)
44
Port Diameter (inside in.)
Equivalent Square Port (in.)
3
3
4
4
2.65 x 2.65
2.65 x 2.65
3.54 x 3.54
3.54 x 3.54
Port Length (in.)
8
8
12.5
11.5
1. Parameters listed are for conventional applications only, for further help please call Tech Audio Support
2. Recommend enclosure are NET Box Volumes, speaker and port displacement are NOT calculated into the
volume of the enclosure, you will need to add these volumes to calculate GROSS volume for the enclosure.
3. The approximate volume of air displaced by the port can be calculated by using the square port area (H x W)
times the port length and then divide by 1728 to get cubic feet.
* For SQ (sound quality applications) amps should be between
Pe and Peak power ratings.
** SPL usage only! Not rated for continuous use at this level.
*** Sub-sonic filters should always be used and adjusted specifically
for vented box designs.
4. Please call Technical Audio support for further specifications and information: 1-800-876-0800 ext. 2032
Specifications subject to change without notice © 2005 Directed Electronics, Vista, CA.—all rights reserved
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