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 ø 37.7 mm / 1.48″
Installation diameter ø 37.7 mm / 1.48″
Installation depth 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


HELIX PURE transcends beyond mere music. It′s an audiovisual journey, dedicated to uncompromising sound quality and uniqueness, designed for discerning audiophiles and individualists who refuse to make compromises in their daily life. The PURE R-Series represents the pinnacle of our PURE speakers, combining their essential features to perfection: uncompromising sound quality, high-quality materials and unparalleled aesthetics.

Absolute high-frequency brilliance
The HELIX PR T25-S premium tweeter is an example of absolute excellence within the PURE speaker lineup. It distinguishes itself with the lowest possible manufacturing tolerances and exclusive use of top-tier materials, such as the coated silk dome. This component leads to the faithful rendition of even the finest details, ensuring a smooth and natural sound reproduction for an unmatched high-frequency experience. The highly efficient neodymium magnet maintains a consistently optimal, high magnetic flux linearity. Furthermore, its smart and compact design offers diverse mounting options for a universal installation. The anodized aluminum flush mount housing with the solid mounting ring allows a concealed installation, while the included grilles, available in two exclusive designs, provide both protection and aesthetic options. High-grade aluminum flush-mount housings (PR ATP25) are also optionally available to refine your sound setup.

Features
1” / 25 mm premium tweeter with coated silk-dome for precise treble response with finest details and an accurate, natural sound reproduction
Compact design with multiple mounting options for universal installation
Anodized aluminum flush mount housing with solid mounting ring for discreet installation
Cover grille included in two exclusive, swappable designs
Lowest manufacturing tolerances and exclusive use of premium materials
Highly efficient neodymium magnet for an optimal linear magnetic flux
High-grade aluminum tweeter pod (PR ATP25) optionally available