Eighteen Sound ND100 / ND100KT — 1" Compression Driver
The Eighteen Sound ND100 and ND100KT are professional 1" compression drivers with 8 ohm impedance. They are developed for high-quality treble reproduction in PA systems, line array modules and monitors. With a titanium diaphragm, 25 mm voice coil and neodymium magnet, they offer high sensitivity, low distortion and long life even under continuous load. The ND100KT is the variant with integrated horn loading for a compact design.
Technical data
- Throat diameter: 1" (25.4 mm)
- Impedance: 8 ohms
- Sensitivity: ≈107 dB (1 W / 1 m)
- Rated power: 25 W AES
- Program power: 50 W
- Frequency range: 1.8–20 kHz
- Voice coil: 25 mm (1") aluminum
- Diaphragm: Titanium
- Magnet: Neodymium
- Weight: ≈0.6 kg (ND100), ≈0.8 kg (ND100KT)
Thiele/Small parameters
Fs: ≈1.8 kHz
Re: 5.3 Ω
Bolt Circle Diameter: 76mm (3")
Total depth: ≈60mm (ND100), ≈75mm (ND100KT)
Recommended use
- Tweeter in professional PA systems
- Cabinet: Line array, two-way and three-way systems
- Crossover guidelines: HP ≥1.8 kHz (12 dB/octave or steeper)
- ND100KT: integrated horn charging for compact design
Item no.
- Manufacturer: Eighteen Sound
- Model: ND100 / ND100KT
- Category: Compression driver / HF driver
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