Merry Christmas & a Happy New Year ! We reopen on the 6th January 2025.
Merry Christmas & a Happy New Year ! We reopen on the 6th January 2025.
DRIVE UNITS BY MANUFACTURER:
SB65WBAC25-4
UK STOCK ITEM
The SB Acoustics SB65WBAC25-4 is a 2.5 inch 4 ohm full range loudspeaker drive unit featuring a profiled aluminium cone and a neodymium magnet assembly. The geometrically furoughed cone and copper capped pole piece help control breakup and improve the high frequency response.
Resonant frequency (fs) | 115 Hz | Nominal impedance (Zn) | 4 Ω |
Mechanical Q factor (Qms) | 6.0 | DC resistance (Re) | 3.6 Ω |
Electrical Q factor (Qes) | 0.77 |
Max power handling | 20 W |
Total Q factor (Qts) | 0.68 |
Sensitivity (2.83V/1m) |
83.5dB |
Equivalent volume (Vas) | 0.43L | Chassis (square) |
64mm |
Friendly technical support
40+ years in the trade
UK family run business
Excellent customer service
Quick dispatch