Helix PR T25-S

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