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The Bliesma T34B‑4 features a 34‑mm beryllium dome with a first breakup mode at 32 kHz. The extremely low moving mass of the diaphragm ensures high sensitivity, fast transient response, and accurate reproduction across the upper midrange and high‑frequency range.

The fully saturated neodymium motor incorporates a copper sleeve to reduce nonlinear and intermodulation distortion. The two‑layer CCAW voice coil is wound on a titanium former with reduced height, which minimizes thermal compression and maintains stable performance under dynamic load. A 3 mm linear excursion and a large vent channel allow clean operation at lower crossover points.

The tweeter uses a rear‑mounted magnet system and a flush‑mounted surround, resulting in a smooth frequency response and wide off‑axis dispersion. The aluminium front flange is powder‑coated, and the aluminium rear chamber is filled with natural wool damping to suppress internal reflections. Gold‑plated terminals and flexible lightweight lead wires ensure long‑term reliability.

To protect the large beryllium dome, the T34B‑4 is equipped with a non‑removable metal grille. The recommended operating range extends from 1.3 kHz to 40 kHz.

Nominal impedance [Zn]: 4 Ω
Sensitivity [2.83 V⁄1m]: 97.5 dB
Recommended frequency range: 1300…40000 Hz
Resonance frequency [fs]: 790 Hz
Power [P]: 80 W (IEC 268-5)

Note: Tweeters are supplied matched pairwise (±0,5 dB in 2.5…17.5 kHz range), if ordered in pairs.