GS Audio SQ639

Discover the SQ 639, a 6.5" woofer from GS Audio that sets new standards in terms of sound quality and performance. With its excellent power handling of up to 300 watts and its frequency range of 60Hz to 5000Hz, it ensures an impressive listening experience. The SQ 639 also impresses with a sensitivity of 91.4 dB and a voice coil diameter of 39. Every technical specification, from the nominal impedance to the magnet material, has been carefully selected to ensure optimal performance. The SQ 639 is the ideal solution for demanding audiophiles looking for a woofer that combines technical innovation and acoustic precision.

• 6.5" (16.5 cm) woofer
• nominal diameter 165 mm
• Nominal impedance 4 Ohm / 8 Ohm
• power handling RMS 150 watts
• load capacity MAX 300 watts
• frequency range 60Hz - 5000Hz
• Sensitivity (1w,1 m) 91.4 dB
• Sensitivity (2.83v) 95.2 dB
• voice coil diameter 39
• voice coil wire CCAW
• Height of the voice coil winding 16 mm
• voice coil material composite fiber
• magnetic material ferrite
• magnet dimensions 120x18mm
• gap height 6 mm
• Crossover recommendation Hpf 60 hz-18db
• Crossover recommendation Lpf 4000 hz-12db
• Power rating minimum 30wrms
• connection terminal push terminal

• outer diameter 166 mm
• installation diameter 144 mm
• installation depth 69 mm
• magnet diameter 120 mm
• Weight of the speaker 1.85 kg