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W4-657D
Technical Highlights
- Leistung 40W RMS, Impedanz 8 Ohm, Frequenzgang 65-17000 Hz.
- Empfindlichkeit 89 dB, Resonanzfrequenz 68 Hz, Vas 4,4 Liter.
- Schwingspule 1", AluMg-Membran, Phaseplug Vollaluminium.
- More technical details
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W4-657D by Tang Band
Discover the W4-657D, a 4 "(10cm) midrange, which comes from the house of Tang Band. This skillful sound wall product has been carefully improved by BPA. , Langhub rubber and light metal die-casting basket.
The original chassis of the Tang Band W4-657D was improved by BPA and converted by Tang Band according to these specifications. First-class deep-midrange with aluminum membrane, full aluminum pahseeplug, generously ventilated centering spider, long-stroke rubber thickness, light metal die-cast basket, chapion vibration coil body. Extremely linear frequency response to over 6 kHz, practical TSP parameters for BR volume from 3.5 l net.Highlights Tang Band W4-657D:
- Revised version of the Tang Band W4-657B with new basket, more stable and better ventilated
- Long -term stable, low -loss rubberaecke
- Aluminum membrane
- Captain vibrating coil carrier
- Only 4.71 grams moving mass
- High efficiency of 87dB
- Very low Resonance frequency (FS) 69 Hz
Characteristics Tang band W4-657D:
- 4 "(10cm) midrange
- Performance consumption (RMS) 40 watts
- Resilience (max) 80 watts
- Impedance 8 ohm
- Frequency response 65 to 17000 Hz
- Sensitivity 89 db 1W/1m
- Diameter of the vibration coil 1 "
parameter Tang band W4-657D:
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Nominal impedance/DC resistance: 8/6.4 Ohm
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Resonance frequency: 68 Hz
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Gütefactors (QMS / QES / QTS): 4.0 / 0.47 / 0.42
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Equivalence volume (VAS): 4.4 liters
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Effective membrane surface (SD): 53 cm²
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Drive factor (BL): 5.2 TM
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Schwingen coil surge (Xmax): 3.3 mm
- Vibrilium -pinsing inductance (LE): 0.4 mh
Dimensions Tang band W4-657D:
- Total foot diameter 12.5cm
- Tapping wall cutout in diameter 9.5cm
- Depth 7.6cm
- Montage holes 4
Housing recommendations Tang band W4-657D:
- Bass reflex from 3.5l

