Wavecor TW022WA02
Best box: 0.004 L sealed · Fc 1626.3 Hz · F3 1351.5 Hz
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Comparable 1.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Wavecor TW022WA02 does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
⚠️ Engineering Notice for Builders
- Straight vent would be -7.7 cm long: not physically buildable as a simple tube. Use a passive radiator, a folded slot port or model a 3D folded duct in Load Forge Studio.
- Limited linear excursion (Xmax: 0.45 mm); set a high-pass subsonic filter at 25–30 Hz when driven with high power.
Textbook Bass Reflex — not recommended
PORT NOT BUILDABLE| Net Box Volume (Vb) | 1.5 Liters |
| Tuning Frequency (Fb) | 977.5 Hz |
| F3 (-3 dB Cutoff) | 931.5 Hz |
| F6 / F10 Extension | 900.1 Hz / 858.3 Hz |
| Port Inner Diameter | Ø 20.0 cm |
| Port Physical Length | No real tube length at this tuning — use a passive radiator |
| First Pipe Resonance | 0.0 Hz |
| Estimated MOL @ F3 | 79.1 dB SPL |
Sealed (Acoustic Suspension) — compromise
SUITS INFINITE / OPEN BAFFLEWith Qts 1.11 a Butterworth (Qtc 0.707) box would be many times Vas. A box equal to Vas reaches Qtc 1.57; for a flat response this driver is better used on an infinite (IB) or open baffle.
| Net Box Volume (Vb) | 0.004 Liters |
| System Q (Qtc) | 1.57 (above Butterworth: Qtc cannot fall below Qts (1.11)) |
| System Resonance (Fc) | 1626.3 Hz |
| F3 (-3 dB Cutoff) | 1351.5 Hz |
| F6 / F10 Extension | 1173.3 Hz / 981.1 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 1150.0 Hz |
| Total Q (Qts) | 1.11 |
| Electrical Q (Qes) | 4.044 |
| Mechanical Q (Qms) | 1.53 |
| Equivalent Volume (Vas) | 0.0 Liters |
| Diaphragm Area (Sd) | 6.1 cm² |
| DC Resistance (Re) | 3.6 Ω |
| Efficiency Bandwidth Product (EBP) | 284.4 |
| Linear Excursion (Xmax) | 0.5 mm |
| Thermal Power (Pe) | N/A W |
| Nominal Diameter | 1.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Wavecor TW022WA02?
A simple ported box is not recommended for Wavecor TW022WA02: the textbook alignment (1.5 liters tuned to 977.5 Hz) needs a -7.7 cm port, and no nearby retune stays buildable without a bass hump. A sealed box, a passive radiator or a folded duct is the practical choice.
Can Wavecor TW022WA02 be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 0.004 liters with a Qtc of 1.57 (above Butterworth: Qtc cannot fall below Qts (1.11)), the system exhibits an F3 of 1351.5 Hz.
What port dimensions should be used for Wavecor TW022WA02 to avoid port chuffing?
A straight 20.0 cm port would need -7.7 cm of length, which does not fit a practical cabinet. Use a passive radiator or a folded/3D duct instead of a straight tube.
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