Specifications
Performance
Model: | ES104 | ES124 | ES154 | |||
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Woofer Size, in (cm) | 10 (25.4) | 12 (30.5) | 15 (38.1) | |||
Nominal Impedance [Zn], ohm | 4 |
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| 4 |
| 4 |
Resonance Frequency [fs], Hz | 34.8 |
| 30.4 |
| 20.0 | |
Sensitivity [SPLo], dB @ 1W, 1m | 86.3 |
| 88.7 |
| 89.6 | |
Effective Piston Area [Sd], in2 (m2) | 56.7 | (.0366) | 80.4 | (.0519) | 130 (.0840) | |
Power Handling Watts, Peak (RMS) | 300 (100) | 375 (125) | 450 (150) | |||
Effective Frequency Range, Hz | ||||||
Effective Excursion [EXmax™], in (mm) | .29 (7.5) | .29 (7.5) | .41 (10.5) | |||
DC Resistance [Re], ohm | 3.71 |
| 3.65 |
| 3.24 | |
Voice Coil Inductance [Le], mH | 2.65 |
| 2.70 |
| 3.17 | |
Voice Coil Diameter [d], in (mm) | 1 | 1/2 (38.5) | 1 1/2 (38.5) | 2 (49.5) | ||
Voice Coil Length [h], in (mm) | 1 | (25.4) | 1 (25.4) | 1.22 (31) | ||
Mechanical | 12.27 | 11.99 | 12.08 | |||
Electrical | .703 |
| .575 |
| .422 | |
Total | .666 |
| .547 |
| .407 | |
Force Factor [BL], Tm | 9.92 |
| 11.44 | 13.96 | ||
Equivalent Volume [Vas], ft3 (L) | 1.65 | (46.7) | 3.45 | (97.7) | 11.15 (315.7) | |
Moving Mass [Mms], oz (g) | 3.01 | (85.3) | 3.80 | (107.7) | 7.14 (202.4) | |
Outer Frame Diameter, in (cm) | 10 11/16 (27.1) | 12 1/2 (31.8) | 15 7/16 (39.1) | |||
Hole | 9 | 1/4 (23.5) | 11 (27.9) | 13 7/8 (35.2) | ||
Mounting Depth, in (cm) | 4 | 11/16 (11.9) | 5 13/16 (14.8) | 6 15/16 (17.6) | ||
4 | ES Subwoofers |