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Hi-Vi 7" Kevlar/Paper cone woofer with phase plug. Cast frame, shielded magnet, rubber surround. Frequency range 50Hz to 5kHz. 8 ohm, 88dB, fs 45Hz, Qts 0.35
Recommended box 11 liters with 1.5" Ø vent by 3.75" long for F3 of 51Hz.
28.3 liters = 1 cubic foot = 1728 cubic inches
The larger terminal is positve (near the red Swan on the label).
| F6 Bass-Midrange |
| Nominal Impedance (Z)(Ω) : |
8 |
| Resonance Frequency (Fs)(Hz) : |
45 |
| Nominal Power Handling (Pnom)(W) : |
45 |
| Max Power Handling (Pmax)(W) : |
90 |
| Sensitivity (2.83v/1m)(dB) : |
88 |
| Weight (M)(Kg) : |
2.1 |
| VC Diameter (mm) : |
25 |
| DC (Re)(Ω) : |
6.5 |
| VC Length (H)(mm) : |
14.5 |
| VC Former : |
SV |
| VC Frame : |
Kapton |
| Magnet System : |
Shielded |
| Magnet Former : |
Ferrite |
| Force Factor (BL)(N/A) : |
9.0 |
| Gap Height (He)(mm) : |
6.0 |
| Linear Excursion (Xmax)(mm) : |
4.3 |
| Suspension Compliance (Cms)(uM/N) : |
658 |
| Mechanical Q (Qms) : |
3.91 |
| Electrical Q (Qes) : |
0.38 |
| Total Q (Qts) : |
0.35 |
| Moving Mass (Mms)(g) : |
18.3 |
| Effective Piston Area (Sd)(m2) : |
0.0139 |
| Equivalent Air Volume (Vas)(L) : |
16.4 |
| Cabinet Type : |
Vented |
| Recommended Box Volume(Vb)(L) : |
15 |
| Tuning Frequency(Fb)(Hz) : |
45 |
| -3dB Cut-Off Frequency(F3)(Hz) : |
42 |
Diagram
Frequency
Impedance
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