The ESB Audio 8.165 Mid-Woofer delivers reference-level accuracy and musical warmth, engineered for seamless integration in high-fidelity 2-way and 3-way component systems. With a rigid pulp-cone structure, optimized ferrite motor, and symmetrical suspension design, it achieves exceptionally low distortion and tight, controlled midbass response. Built for both clarity and power handling, the 8.165 represents ESB’s commitment to audiophile-grade craftsmanship and Italian acoustic excellence.
• Model: 8.165
• Type: 6.5-inch (165 mm) Mid-Woofer
• Application: Designed for use in ESB 8000 Series high-end component speaker systems
• Magnet System: Y35 ferrite magnet motor optimized via FEA for low distortion and uniform flux
• Voice Coil: 32.4 mm aluminum former, double-layer winding for improved power handling and sensitivity
• Cone Material: Non-pressed cellulose pulp cone with vinylester resin coating — optimized for rigidity and damping balance
• Surround: TWS (Twin Symmetrical Wave) rubber surround for linear excursion and reduced distortion
• Spider: Conex™ progressive spider for improved suspension control and durability
• Basket / Frame: Rigid aluminum basket (machined for resonance control and open airflow)
• Venting: Axial venting system for efficient heat dissipation and coil cooling
Technical Specifications:
• Nominal Impedance: 3 Ω
• Power Handling (RMS): 160 W
• Peak Power: 320 W
• Frequency Response: 45 Hz – 4,000 Hz
• Sensitivity: 92 dB (1 W / 1 m)
• Mounting Depth: 2.95″ (75 mm)
• Cutout Diameter: 5.6″ (142 mm)
• Overall Diameter: 6.5″ (165 mm)
• Weight: Approx. 2.6 lb (1.18 kg)
• Recommended Crossover Point: 3.5 kHz (when used with ESB 8.6K2 or 8.6K3 CX crossover)