Helix PR T25-S

Technical data Impedance Z 4 Ω DC resistance Re 3.4 Ω Frequency response 2,500 Hz - 25,000 Hz Resonance frequency Fs 1,400 Hz Sensitivity SPL 92 dB @ 2,83V / 1m 89 dB @ 1W / 1m Voice coil diameter ø 25 mm Cone area Sd 4.9 cm² Moving mass Mms 0.3 g Cone material Coated silk dome Outer diameter (more data see data sheet) ø 37.7 mm / 1.48″ Installation diameter (more data see data sheet) ø 37.7 mm / 1.48″ Installation depth (more data see data sheet) 10.6 mm / 0.42″ Recommended crossover frequencies for the highpass Slope Minimum crossover frequency 6 dB/Octave 4,000 Hz 12 dB/Octave 3,000 Hz 24 dB/Octave 2,500 Hz Scope of delivery 2 x Hochtöner PR T25-S 2 x Aluminum flush mount housing 2 x OEM spacer 2 x Standard grille 2 x Exclusive HELIX grille 1 x Mounting material