vendo Enigma Sopranino, è perfetto. Usato sulle Tannoy. Elettrostatic Super Tweeter Sopranino extends high frequency response to over 40kHz and operates via totally passive connection, with selectable 8k, 10k, or 12kHz crossover points, all of which further contributes to its ease of implementation. Sopranino’s diaphragm is an ultra-thin polyester film membrane which operates by static attraction (as opposed to voice coils and magnets), with a fraction of the mass of conventional drivers. Nominal impedance 4 Ohms; Sensitivity (1m / 2.83V) 90 dB Crossover frequency (user selectable)8/10/12 kHz; Crossover slope-12 dB / octave; Frequency response 8 – 40 kHz ± 3 dB Recommended input power to main system50W. Foto dal web.