AudioTechnology 6 A 77 20 06 SD - Woofer FLEXUNITS 16 cm - 8 Ohm

With a 3” voice coil, this driver is able to absorb large amounts of power.

And in a vented box of 22 – 25 liters, it plays with great authority and gives the impression of a much bigger loudspeaker. Sound pressure levels above 110dB are possible.

6 A 77 20 06 SD was used in the legendary Extrema by Sonus Faber and the first driver developed by Audiotechnology.

• Fs 34 Hz
• Vas 44 Liter
• Qms 2
• Qes 0,38
• Qts 0,32
• Re 5,5 Ω
• Nominal Impedance 8 Ω
• BxL 8 N/A
• Cms 1,04 mm/N
• SD 172 cm²
• Mmd 19,7 g
• Mms 21 g
• Rms 2,24 Kg/s
• Power handling 180 W
• Acceleration factor 380
• Efficiency SPL 88,5 dB
•  Sensitivity USPL 90 dB
• Efficiency Bandwidth Product 89 Hz
• X-Max 8 mm
• Max Excursion 35 mm
• Inductance @ 1,6KHz 0,18 mH