VAS 18-1700NC Speaker Driver

• 3400 W continuous program power capacity
• 97 dB sensitivity 1W/1m
• 30 Hz ~ 1000 Hz frequency response range
• 125 mm (5") high temperature inside/outside copper voice coil
• High temperature SH grade neodymium magnet
• Aluminium demodulating ring for lower distortion
• Ultra-strong carbon cone and dust cap
• Silicone double Conex damper
• BL/Re optimized for loaded applications
• Suitable for reflex, bandpass, or horn-loaded high SPL subwoofer systems
• Engineered in Germany

Power Handling:
1700W Nominal / 3400W Program

Nominal Diameter:
460 mm / 18 inch

Frequency Range:
30 ~ 1000 Hz

Voice Coil Diameter:
125 mm / 5 inch

Rated Impedance:
8 ohm

Colour:
Black

Design:
Surround shape: Dodecagon
Cone shape: Straight
Magnet material: Neodymium
Former material: Glass fiber
Basket: Cast aluminium
Voice coil material: Copper
Woofer cone treatment: Carbon fibre with resin treatment

Recommended enclosure:
Reflex, Horn, Bandpass

Mounting Info:
Overall Diameter: 486 mm
Width Across Flats: 471 mm
Outer Bolt Circle: x6 M6 on 470 mm PCD
Baffle Cutout Diameter: 424 mm
Depth: 210 mm
Air volume occupied by driver: 9.6 l
Number of bolt holes: 12

Weight:
15.4 kg

Resonance Frequency: 32 Hz
Re: 5.4 ohm
Qes: 0.29
Qms: 13.6
Qts: 0.28
Vas: 178 liters
Sd: 0.1225 cm²
Xmax: ±13.5 mm
Bl: 34.4 T.m
Le: 1.34 mH
EBP: 112

Thiele-Small parameters are measured with the Klippel DA LPM module after a high-level 20 Hz sine wave preconditioning test and represent the expected long-term parameters after a short term of use.

• VAS 18-1700NC Specification Sheet
• VAS 18-1700NC Technical Drawing