SB Acoustics SB26STAC-C000-4

SB Acoustics SB26STAC-C000-4 1" Tweeter

• Cast aluminium faceplate
• Copper cap for reduced voice coil inductance and minimum phase shift
• Non-reflective rear chamber with optimized damping for improved dynamics
• Flow optimized vented pole piece for optimum coupling to rear chamber
• Fine weave soft fabric dome for smooth frequency response
• Saturation controlled motor system for low distortion
• CCAW voice coil for low moving mass
• Long life silver lead wires 
• Low resonance frequency

Specifications

• power handling (continuous/programme) = 120 W
• frequency range = 500-40000 Hz
• resonance frequency fs = 750 Hz
• impedance R = 4 Ohm
• sound pressure level SPL = 91,5 dB (2,83V; 1m)
• DC resistance Re = 3,2 Ohm
• force factor BL = 1,6 N/A
• voice coil inductance L = 0,04 mH
• effective piston radiating area Sd = 6,2 cm²
• effective mechanical mass incl. air load mms = 0,3 g
• total Q factor Qts = 1,12 (Qms=3, Qes=1,78)
• voice coil diameter = 25,4 mm
• mounting diameter d = 82,8 mm
• overall diameter d = 100 mm
• mounting depth (not countersunk) t = 39,63 mm