Peerless

Peerless XT25SC90-04 Ring Radiator Tweeter

Ring Radiator Tweeter 100W 4 ohm AKA Vifa XT25SC90-04
Product Code: PRLXT25SC9004 Brand: Peerless Model: XT25SC90-04
Peerless  XT25SC90-04 Ring Radiator Tweeter
£17.80
£17.80 ex VAT
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Peerless XT25SC90-04 Ring Radiator Tweeter

The Tymphany XT25SC90-04 features a patented dual concentric diaphragm and a unique waveguide center plug that provide an excellent on- and off-axis response.

Patented dual ring radiator diaphragm with waveguide center plug
Neodymium magnet, low distortion motor
Flat response to 40 kHz
SPL at 1m / 2.83V: 93.14 dB
Resonant Frequency (Fs): 824 Hz

This member of the XT tweeter family utilizes two Tymphany technologies to deliver exceptional sound quality: the ring radiator patent, and the central waveguide patent. This model features a 4 ohm 25 mm voice coil, mounted in a neodymium magnet motor. The tweeter also features a rear chamber to create extended low frequency response. The faceplate features recessed mounting holes which minimizes reflections off of mounting screws.

The Ring Radiator Tweeter, like the Peerless XT25SC90-04, is designed with an annular diaphragm instead of a traditional dome. This design offers a wider dispersion of high frequencies and reduces distortion, resulting in more accurate treble reproduction. The XT series is well-suited for Hi-Fi applications.

Technical specifications


  • Impedance: 4 ohm
  • Minimum Impedance: 3.6 ohm
  • Power: 100 W
  • Sensitivity: 90.2 dB
  • Frequency Range: 2000 - 20000 Hz
  • Voice Coil Diameter: 25.8 mm
  • Magnetic Gap Depth: 2 mm

Thiele and Small parameters:  Need some help? Read our quick guide to TS Params.


  • Resonance (Fs) - 830 Hz
  • DC Resistance (Re) - 3.2 Ohm
  • Diaphragm Area (Sd) - 7.07 cm2
  • Moving Mass - System (Mms) - 0.359 g
  • Force Factor (BL) - 2.27 Tm
  • Maximum Linear Excursion (Xmax) - 0.867 mm
  • Voice Coil Inductance (Le) - 0.021 mH
  • Mechanical Q (Qms) - 7.36
  • Electrical Q (Qes) - 1.17
  • Total Q (Qts) - 1
  • Compliance (Cms) - 0.1 mm/N
  • Compliance Equivalent Volume (Vas) - 0.007 L

Shipping Information


  • Net Weight: 0.074 kg
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