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| Model
Number |
PC102 |
PC104 |
PC122 |
PC124 |
| Thiele/Small
Parameters |
| Fs
(free-air resonance, Hz) |
40.33 |
41.45 |
35.44 |
22.5 |
| Vas
(equivalent compliance, cu. ft.) |
0.576 |
0.634 |
1.51 |
3.56 |
| Vas
(equivalent compliance, liters) |
16.33 |
17.96 |
43.01 |
101.05 |
| Qms
(Q, mechanical) |
6.98 |
6.59 |
6.5 |
5.78 |
| Qes
(Q, electrical) |
0.85 |
0.88 |
0.82 |
0.55 |
| Qts
(total driver Q) |
0.76 |
0.77 |
0.73 |
0.51 |
| Re
(DC resistance, ohms) |
3.5 |
6.75 |
3.75 |
7.8 |
| Z
(nominal impedance, ohms) |
4 |
8 |
4 |
8 |
| Le
(inductance, mh) |
1.81 |
2.77 |
1.95 |
2.91 |
| Efficiency
(1W @ 1M, dB) |
82.89 |
83.47 |
85.57 |
85.03 |
| Xmax
(one way linear excursion, in.) |
0.39 |
0.55 |
0.39 |
0.55 |
| Xmax
(one way linear excursion, mm) |
10 |
14 |
10 |
14 |
| Pe
(continuous power handling, watts) |
250 |
250 |
250 |
250 |
| Peak
power handling (music, watts) |
500 |
500 |
500 |
500 |
| Mms
(total moving mass, grams) |
157.59 |
137.59 |
176.67 |
186.87 |
| Cms
(mechanical compliance, mm/N) |
99 |
109 |
114 |
268 |
| Bl
(motor strength, Tesla-M) |
12.83 |
16.56 |
13.39 |
19.28 |
| Sd
(effective radiating area, sq. m.) |
0.034 |
0.034 |
0.051 |
0.051 |
| Sd
(effective radiating area, sq. in.) |
53.16 |
53.16 |
80.29 |
80.29 |
| Frequency
range (Hz) |
45-2.5k |
45-2.5k |
40-2.5k |
40-2.5k |
| Energy
Bandwidth Product (EBP) |
47.45 |
46.76 |
43.22 |
40.91 |
| Model
Number |
PC102 |
PC104 |
PC122 |
PC124 |
| Driver
Physical Dimension |
| Mounting
hole diameter (inches) |
9.7 |
9.7 |
11.3 |
11.3 |
| Mounting
depth (inches *) |
5.5 |
5.5 |
6.25 |
6.25 |
| Basket
diameter (inches) |
10.65 |
10.65 |
12.5 |
12.5 |
| Model
Number |
PC102 |
PC104 |
PC122 |
PC124 |
| Recommended
Enclosures |
| Typical
sealed enclosure (cu. ft.) |
1 |
1.15 |
1.45 |
1.55 |
| SPL
sealed enclosure (cu. ft.) |
0.42 |
0.5 |
0.95 |
0.81 |
| Low
Qtc sealed enclosure (cu. ft.) |
1.75 |
2 |
2.75 |
3 |
| Vented
enclosure (cu. ft.) |
1 |
1.25 |
1.5 |
1.5 |
| Port
tuning frequency (Hz) |
45 |
45 |
45 |
45 |
| Port
diameter (inside, in.) |
3 |
3 |
4 |
4 |
| Port
length (in.) |
7.17 |
5.13 |
8.06 |
8.06 |
| Enclosure
Details |
1. External dimensions calculated for 3/4" building material
2. Includes port and speaker displacement
3. Volumes given are net tuning volume |
