BlieSMa T25S-6

Compact tweeter with 25‑mm silk dome.

The Bliesma T25S‑6 features an exceptionally low moving mass of just 0.16 g, providing high sensitivity, fast transient response, and clean high‑frequency reproduction. The silk dome and its matching silk surround are made from separate fabric types, each optimized for its function.

The flush‑mounted surround and rear‑mounted magnet system contribute to a smooth frequency response and wide off‑axis dispersion. The fully saturated neodymium motor includes a copper sleeve to reduce nonlinear and modulation distortion. No ferrofluid is used, and the underhung CCAW voice coil is wound on a titanium former.

The aluminium front flange and aluminium rear chamber are powder‑coated for durability. The rear chamber is filled with natural wool damping to suppress internal reflections and improve clarity.

For dome protection, the T25S‑6 is supplied with robust metal grilles. The grilles are removable and attach magnetically to the tweeter flange.

• Nominal impedance [Zn]: 6 Ω
• Recommended frequency range: 2.2…22 kHz
• Sensitivity [2.83 V⁄1m]: 91 dB
• Resonance frequency [fs]: 940 Hz
• Power [P]: 100 W (IEC 268-5)

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

See also:

Bliesma T25S-6 - information in PDF format (174 Kb)

HiFiCompass - BlieSMa T25A-6, T25B-6, T25D-6, T25S-6

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