NS12 mid-bass speaker driver

Product Description

This is a mid-bass driver with a nominal diameter of 300 mm (12 in), engineered for powerful low-to-mid frequency performance in professional audio systems. It features a 75 mm (3 in) copper voice coil (wound both outside and inside) for excellent thermal management and high power handling.

The driver has a rated impedance of 8 ohms and a nominal AES power rating of 400 W (800 W continuous program), delivering a sensitivity of 97.5 dB (1 W/1 m). Its frequency response ranges from 49 Hz to 3,500 Hz, making it ideal for mid-bass applications in full-range or sub-enclosure systems.

Thiele-Small parameters include:

• Fs: 49 Hz
• Re: 5.3 ohms
• Qms: 9.99
• Qes: 0.26
• Qts: 0.256
• Vas: 66.3 L
• Sd: 0.056 m
• Mms: 68.6 g
• BL: 22 TM

Mechanical & Mounting Details

• Overall diameter: 315 mm (12.4 in)
• Depth: 140 mm (5.51 in)
• Mounting bolt circle: 299 mm (11.8 in)
• Baffle cut-out: 285 mm (11.2 in)
• Bolt holes: 8 7 mm (0.28 in)

Shipping Information

• Net weight per unit: 4.1 kg
• Shipping weight per unit: 5.3 kg
• Package dimensions per unit: 34 34 18 cm