ESB Audio - 3.6K3U 3-Way Speaker System with UMA, 6.5", 3.5'', and tweeter in UMA

System Composition / Drivers
• Woofer / Mid-Woofer: 3.165 — 6.5″ / 165 mm Mid-Woofer
 – Cone: Treated paper cone
 – Suspension: Perbunan rubber surround
 – Magnet: Y-35 ferrite magnet motor
 – Basket: Fiberglass-reinforced ABS
 – Spider: Balanced cotton spider
 – Voice Coil: Double-layer winding
 – Impedance: 4 Ω
 – Power Handling: 120 W RMS / 240 W peak
 – Frequency Range: 65 Hz – 9 kHz
 – Sensitivity: 88.5 dB @ 1 W / 1 m

• Mid–High UMA Unit: 3.UMA (mid + tweeter in same module)
 – Midrange Unit: 2.5″ / 65 mm paper cone, N42 neodymium magnet
  • Impedance: 4 Ω
  • Power: 60 W RMS / 120 W peak
  • Sensitivity: 83 dB @ 1 W / 1 m
  • Frequency Range (mid): ~100 Hz – 25 kHz (shared with tweeter region)
 – Tweeter: 1″ / 25 mm silk dome, N42 neodymium magnet
  • Impedance: 4 Ω
  • Power: 80 W RMS / 160 W peak
  • Sensitivity: 89 dB @ 1 W / 1 m
  • Frequency Range (tweeter): 100 Hz – 25 kHz (shared)

Crossover & Network
• Model: 3.6K3HECX (optional)
• Crossover Points: 350 Hz / 3,000 Hz
• Slopes: 12 dB/octave LP, 6–6 dB/oct BP, 12 dB/oct HP
• Tweeter / Mid Level Adjust: 4-step adjustment for matching distance / balance
• Crossover Handling: Total system power handling up to 300 W peak