SEAS LOTUS Reference 120mm midrange driver

High End automotive midrange.
The manually coated paper cone and the mechanically matching natural rubber surround result in an unusually smooth midrange response.

Heavy copper rings mounted above and below the T-shaped pole piece reduce non linear and modulation distortion and increase overload margin. The large magnet system provides good sensitivity and transient response.

The chrome plated brass phase plug reduces compression due to temperature variations in the voice coil, increases long term power handling capacity and eliminates resonances in the cavity inside the voice coil former.

The extremely stiff and stable injection moulded zinc basket keeps the critical components in perfect alignment. Large windows in the basket both above and below the spider reduce sound reflection, air flow noise and cavity resonance to a minimum.

Gold plated terminals mounted on a glass fi bre reinforced plate reduce contact resistance and improve reliability.

Technical specifications

• Nominal Impedance: 4 ohms
• Recommended Frequency Range: 300 - 5,000Hz
• Sensitivity: 90.5dB
• Free-air resonance: 71Hz
• QMS: 2.95
• QES: 0.40
• QTS: 0.35
• VAS: 4 litres
• Effective Rad. Area: 50 sq cm
• Linear coil travel: 3.4mm (P-P)
• Voice coil diameter: 26mm
• Magnet weight: 0.42Kg
• Total weight: 1.3Kg
• Nominal power handling: 110/400*
• Mounting cut-out: 99mm
• Mounting depth: 67mm
• Rec. enclosure size: 1.1 litres (closed box, flat response)

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