Specifications
Type: 2-Way Coaxial Speaker
Series: ESB 1 Series Classic
Speaker Size: 6.5" (165 mm)
Configuration: Midbass + Coaxial Tweeter
Power Handling (RMS): 60 W
Power Handling (Peak): 120 W
Nominal Impedance: 4 Ω
Sensitivity (1W/1m): 90 dB
Frequency Response: 60 Hz – 20 kHz
Midbass Driver
• Cone Material: Treated Paper Cone (Warm, natural tone)
• Surround: Rubber Surround (Improved cone control)
• Voice Coil: 1" (25 mm) Copper Wound
• Basket: Stamped Steel Anti-Resonant Frame
Tweeter
• Type: 1" (25 mm) Soft Dome Tweeter
• Mounting: Coaxially Aligned (Centered over midbass cone)
• Cooling: Ferrofluid Voice Coil Cooling
Crossover
• Type: Integrated High-Pass Filter (Tweeter Protection Network)
• Crossover Frequency: ~3.5 kHz
Physical Specs
Mounting Depth: 2.6" (66 mm)
Cutout Diameter: 5.6" (142 mm)
Overall Diameter: 6.7" (170 mm)
Weight (Pair): 3.4 lbs
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• Warm, clear midrange and smooth high-frequency detail.
• Designed for balanced daily listening rather than harsh “bright” tone.
• Works well on either factory head unit power or small aftermarket amplifiers.
• Coaxial alignment maintains consistent imaging in doors, fairings, or pods.
Key Features
• Soft-Dome Tweeter – Smooth and non-fatiguing at higher listening levels.
• Damped Paper Cone – Natural midrange character and vocal definition.
• OEM-Friendly Fit – Standard 6.5" frame with low mounting depth.
• Integrated Crossover – Simplifies installation and tuning.
• ESB Classic Tuning – Musical, warm, and realistic sound signature.
Performance Integration Notes
• Ideal Amplifier Power: 45–75 W RMS per channel.
• Recommended High-Pass Filter: 65–75 Hz for clarity and reliability.
• Best Use: Factory speaker replacement upgrade or clean SQ daily listening build.
• Installation Time: ~30–45 minutes.
Pro Tip:
Add sound deadening behind the midbass to tighten up impact and increase vocal presence—especially in motorcycle fairings or thin vehicle doors.