LAP-12A Dual 18-inch line array subwoofer – Valtec-Tubesound Skip to content
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LAP-12A Dual 18-inch line array subwoofer

Description

Frequency Response: 28 Hz ~ 180 Hz (±3 dB) 26 Hz ~ 250 Hz (-10 dB)
Characteristic Sensitivity Level: 102 dB SPL
Maximum SPL: 138 dB±2 dB
Speaker Power: 1600 W
Peak Power: 3200 W
Impedance: 4Ω
Speaker Drivers: 2 x 18" (100mm voice coil) woofers
Cabinet Dimensions: 846 mm (W) x 575 mm (H) x 801 mm (D)
Weight: 90 kg

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The subwoofer features a high-power subwoofer driver and a high-Q resonance chamber designed as a front-to-back ported enclosure, which controls the amplitude of the driver at its resonant frequency and effectively suppresses higher-order harmonic distortion.

It delivers deep bass extension and high sound pressure levels, resulting in a clean sound and reduced system distortion during high-dynamic-range playback. Additionally, the use of dual-voice-coil differential drive technology and a high-peak-to-peak offset design enables the reproduction of true, flawless sub-bass sound. A large ring-shaped heat dissipation design significantly enhances cooling efficiency, ensuring the driver unit operates at a low temperature, which greatly improves power handling and reduces harmonic distortion, delivering a clean, deep, and powerful low-frequency sound.

System Data
Frequency Response: 28 Hz – 180 Hz (±3 dB), 26 Hz – 250 Hz (-10 dB)
Nominal Directivity: Omnidirectional
Sensitivity: 102 dB SPL
Maximum Sound Pressure Level: 138 dB ±2 dB
Speaker Power: 1600 W
Peak Power: 3200 W
Impedance: 4 ohms
Speaker Drivers: 2 x 18" (100mm voice coil) woofers
Angle: Adjustable to 5°, 0°, -5°, -10°
Connection: NL4: 1+1-
Connectors: 2×4-pin WP4 speaker terminals
Material: 18 mm, 21 mm birch plywood
Grille: Front grille covered with acoustic mesh
Cabinet Dimensions: W 846 x H 575 x D 801 mm
Weight: 90 kg