R90

Reference Series 3 inch IST Midrange

Nominal Impedance: 4 Ohms

DC Resistance (Rdc) (Zmin): 3.0 Ohms

Sensitivity (2,83 V / 1m) : 88.5 dB

Resonance Frequency (Fs) : 146 Hz

Frequency Response ( -6dB) : 150Hz - 15 kHz

Voice Coil Diameter: 25mm

Qts : 109 / Vas : 0.3 Liters

Effective Piston Area: 3.510 cm²

Recommended Frequency Response : 250Hz - 4 kHz

Power Handling, long term: 40 W

Power Handling, short term: 75 W

Total Weight : 565 g


The Larkmax Audio Reference 90 is the ideal multi-purpose super high-end speaker driver. Mechanical and electrical parameters are amenable to a variety of different installations and speaker locations. This driver is intended to be used in an infinite baffle configuration. Available with Pressed paper cone, as well as the inclusion of a dust cap.Hand-matched close tolerance sets with certificate of authenticity and a print-out of individual speaker parameters; More authoritative upper-range frequency response ability (wider bandwidth operation), especially off-axis: six full octaves of information; Slightly higher resonance frequencies across all models for more transparent and tonally accurate low to middle mid-range playback ability.

- Hi-end Car Audio Mid-range speaker

- Pressed paper pulp based graphite composite diaphragm

- IST inverted suspension transducer design

- 25mm Kapton voice coil for high power handling capacity

- Ventilation magnetic structure design

- Handcrafted Assembling CNC Aluminium Basket

- Lowest manufacturing tolerances and pairing production

 

Specifications

Nominal Impedance: 4 Ohms

DC Resistance (Rdc) (Zmin): 3.0 Ohms

Sensitivity (2,83 V / 1m) : 88.5 dB

Resonance Frequency (Fs) : 146 Hz

Frequency Response ( -6dB) : 150Hz - 15 kHz

Voice Coil Diameter: 25mm

Qts : 1.09 / Vas : 0.3 Liters

Effective Piston Area: 3.510 cm²

Recommended Frequency Response : 250Hz - 4 kHz

Power Handling, long term: 40 W

Power Handling, short term: 75 W

Total Weight : 565 g