Specifications
Type: 3-Way Passive Crossover Network
Series: ESB K3 Reference Series
Designed For: ESB 3.6K3 3-Way Component Speaker System
Configuration: Midbass + Midrange + Tweeter Output
Inputs: 1 × Full-Range Speaker Input (Stereo Pair in System)
Outputs:
• Low Output → 6.5" Midbass
• Mid Output → 3" Midrange
• High Output → 1" Tweeter
Crossover Slopes: 12 dB/Octave (High-Pass / Low-Pass)
Crossover Points (Nominal):
• Midbass → Midrange: ~450 Hz
• Midrange → Tweeter: ~3.5 kHz
Tweeter Level Adjustment: +2 dB / 0 dB / –2 dB Switchable
Components Used:
• Precision Air-Core Inductors
• High-Voltage Poly Film Capacitors
• Low-ESR Resistors (Thermally Stable)
Internal Wiring: OFC (Oxygen-Free Copper) Signal Paths
PCB Type: Multi-Layer Gold-Plated Circuit Board
Housing: Sealed ABS Composite Crossover Housing
Terminals: Nickel-Plated, Screw Down Barrier Terminals
Cooling & Damping: Acoustic Dampened Internal Resin Bed
Weather Protection: Indoor Automotive Rated (Not Marine)
Dimensions (L×W×H): 6.2" × 3.5" × 1.6" (158 × 89 × 41 mm)
Weight: 1.1 lbs (Per Crossover)
Warranty: 1-Year Manufacturer Warranty
Performance Specs
• Precisely matched acoustic crossover points ensure natural tonal flow between midbass, midrange, and tweeter.
• Hand-matched components maintain consistent left/right imaging and stereo balance.
• Time-phase alignment built in for smooth driver transitions and staging depth.
• Optimized to preserve the natural timbre and detail ESB K-Series is known for.
Key Features
• True 3-Way Crossover Network – Designed specifically for the 3.6K3 driver set.
• Tweeter Level Control – Allows tuning for vehicle cabin brightness or reflective surfaces.
• High-Grade Film Capacitors – Ensure clarity and stable harmonic behavior.
• Air-Core Inductors – Prevent magnetic saturation, preserving spatial detail.
• Heavy-Duty PCB + OFC Internal Wiring – Maintains signal integrity.
• ESB Sound Signature – Focused on realism, imaging, and musical depth.
Integration Notes
• Use with 3.6K3 drivers only for proper tonal and phase alignment.
• Amplifier Power: 75–200 W RMS recommended for ideal dynamic performance.
• System Placement: Mount crossovers away from heat sources and vibration.
• Installation Time: Approx. 30–45 minutes per crossover.
Pro Tip:
Keep crossover mounting accessible—level adjustments may need fine-tuning after system time alignment and seating position evaluation.
