High-quality Preowned / Acapella Tw 1s // Ion Tweeter / Holy Grail 65% Off - Today Only [WYutbrl6]

The Acapella Ion Tweeter is one of the most innovative and exotic drivers in the high-end audio world, known for delivering a level of high-frequency performance that few traditional tweeters can match. Acapella’s ion-plasma technology represents a significant departure from conventional tweeter designs that use diaphragms, such as domes or ribbons, to produce sound. Instead, the ion tweeter ionizes air to create sound waves directly, resulting in incredibly clean, precise, and distortion-free treble.

At its core, the Acapella Ion Tweeter uses an ionized gas (plasma) to generate sound. The tweeter creates a small, electrically charged plasma field, which is modulated by an audio signal. This modulated plasma directly moves the surrounding air, producing sound waves without the need for any physical diaphragm or moving parts.

This design offers a key advantage: there’s no mass to move. In a traditional tweeter, even lightweight materials like aluminum or beryllium still introduce some mechanical inertia, which can limit high-frequency extension and introduce distortion. The ion tweeter, however, bypasses these limitations, resulting in ultra-fast transient response and incredibly transparent highs.

The ion-plasma tweeter is famous for its unbelievably clean and detailed high frequencies. The highs produced by this tweeter are smooth, airy, and incredibly detailed without a hint of harshness. Whether it’s delicate cymbal work in jazz or the upper harmonics of a violin in a classical piece, the ion tweeter delivers with a level of transparency and refinement that’s rarely achieved by more conventional tweeters.

The result is a treble that feels effortless and natural, allowing instruments to breathe with incredible realism. You’ll hear more of the subtle textures and space in your music, giving you a heightened sense of presence and air. For audiophiles who crave hyper-realistic high frequencies, the Acapella Ion Tweeter is in a class of its own.

• Sensitivity: 1.5 V / 0 dB
• Frequency response: 5 kHz–50 kHz
• Impedance: 600 ohm
• Max sound pressure level: 110 dB, 1 m / 1 ms
• Slope input filter: Approx. 12 dB / Octave
• Mains voltage: 110–120 V / 60 Hz
• Dimensions: 150 x 300 x 260 mm / 5.91 x 11.81 x 10.24" (H xWxD)
• Weight: 15 kg / 33 lbs