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B&C DE990TN 100W 8 Ohm 1.4" Bolt On Neodymium Compression Driver
The DE990TN is a uniquely compact 86mm (3.4 in) voice coil, neodymium high frequency driver. The compact 118mm diameter was achieved using a specially milled inside ring neodymium magnet. The diaphragm used in the DE990TN has been completely redesigned to incorporate a bent edge voice coil former, new dome and surround geometry and an optimized phase plug. These modifications combine to better control diaphragm displacement and deformations, resulting in lower distortion and a smoother higher frequency response above 10kHz.
- 200 W continuous program power capacity
- 1.4" horn throat diameter
- 86 mm (3.4 in) aluminium voice coil
- Titanium diaphragm
- 500 - 18000 Hz response
- 107.5 dB sensitivity
- Neodymium magnet assembly with shorting copper cap
Specifications:
- Throat diameter 36 mm (1.4 in)
- Nominal impedance 8 ohms
- Minimum impedance 7.6 ohms
- Nominal power handling 100 W
- Continuous power handling 200 W
- Sensitivity (1W/1m) 107.5 dB
- Frequency range 500 - 18 kHz
- Recommended crossover 1.0 kHz
- Voice coil diameter 86 mm (3.4 in)
- Winding material CCAW
- Inductance 0.1 mH
- Diaphragm material Titanium
- Flux density 1.9 T
- Magnet material Neo Inside Ring
- Four M6 holes 90 degrees apart on 102 mm (4 in) diameter
- Overall diameter 118 mm (4.65 in)
- Depth 63 mm (2.48 in)
- Net weight 1.85 kg (4.08 lb)
- Replacement Diaphragm MMD990TN8
Mounting And Shipping Info:
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