La connessione  posteriore e in biwiring e il condotto reflex  anteriore . Ottima la costruzione i componenti sono veramente di qualità. Description 2-way vented-box system Dimensions Height: 365mm (14.4in) Width: 204mm (8in) Depth: 228mm (9in) Net Weight 6.1kg / 13.4lb Freq. Response 60Hz - 22kHz ± 3dB on reference axis Freq. Range 6dB at 48Hz and 42kHz Sensitivity 88dB spl (2.83V, 1m) Normal Impedance 8 ohms (minimum 3.0 ohms) Power Handling 25W - 100W into 8 ohms on unclipped programme Drive Units Unit 1: 1x 25mm (1in) metal dome high-frequency Unit 2: 1x 165mm (6.5in) woven Kevlar® cone bass/midrang Unit 3: Finish Cabinet: Black Ash or Sorrento (light oak) vinyl Grille: Black Cloth Dispersion Description: Within 2dB of response on reference axis Horizontal: over 40° arc Vertical: over 10° arc Harmonic Distortion 2nd & 3rd harmonics <1% 88Hz - 20kHz (90dB spl, 1m) Crossover Frequency 4kHz Max. Recommended Cable Impedance 0.1 ohms