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| Wavecor WF138WA02-01 (ea.) | |
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5½", stamped steel, Ø90 mm ferrite, 1¼" VC, 4 Ohm
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 | Wavecor WF138WA02-01 (ea.) midbass driver's product information |  |
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WF138WA02 is a mid/woofer designed for demanding bass and midrange applications. It works equally well for high-end hi-fi, high quality home theater systems, and top multimedia setups.
It is powered by a large 90mm magnet structure that ensures good efficiency and optimal T/S parameters.
The large 32mm voice coil ensures high power handling - thermally and mechanically
The optimized paper cone ensures wide bandwidth and low distortion. Distortion is further reduced by efficient venting and an alu stabilizing ring.
WF138WA02 is a good choice for compact 2-way speaker systems.
Features
- Built-in alu field stabilizing ring for reduced high-level distortion
- Vented voice coil former for reduced distortion and compression
- Vented chassis for lower air flow speed reducing audible distortion
- Heavy-duty black fiber glass voice coil bobbin to increase power handling and reduce mechanical losses resulting in better dynamic performance and low-level details
- Large motor system with 1¼" voice coil diameter and 90mm magnet for better control and efficiency
- Long linear stroke motor for reduced distortion at high levels
- Linear suspension with specially designed CONEX damper (spider) for long durability under extreme operating conditions
- Gold plated terminals to prevent oxidation for long-term reliable connection
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| Wavecor WF138WA02-01 (ea.) midbass driver's specifications | |
| Nominal size | 5½ inch. |
| Nominal impedance | 4 ohm |
| Recommended upper frequency limit | 3.5 kHz |
| Recommended cabinet volume | 6½ - 8 lit. |
| Sensitivity, 2.83V/1m, (average 500-5,000Hz) | 89 dB |
| Voice coil diameter | 32.5 mm |
| Voice coil height | 11 mm |
| Air gap height | 5 mm |
| Voice coil resistance, RDC | 3.2 ohm |
| Voice coil inductance | 0.20 mH |
| Magnet weight | 400 g |
| Effective radiating area, Sd | 95 sq.cm |
| Power handling, continuous, IEC 268-5 | 55 W |
| Resonance freq., Fs | 64 Hz |
| Moving mass, incl. air, free air | 10.4 g |
| Force factor, Bxl | 5.2 Tm |
| Mechanical Q, Qm | 8.5 |
| Electrical Q, Qe | 0.49 |
| Total Q, Qt | 0.46 |
| Suspension compliance, Cms | 0.60 mm/N |
| Equiv. air volume, Vas | 7.6 lit. |
| Total unit net weight | 1.03 kg |
See a collection of driver data and measurements in electronic formats. |
| Wavecor WF138WA02-01 (ea.) Midbass Driver additional photos | |
| More information about Wavecor WF138WA02-01 (ea.) Midbass | |
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