ESB Audio - 3.25 1”/25 mm Dome Tweeter

The ESB 3.25 Tweeter is a compact, high-performance dome tweeter designed to deliver crisp, clear high frequencies with accurate detail. Its compact size and efficient motor system make it ideal for component speaker systems, UMA units, or as a replacement tweeter in constrained mounting locations.

Specifications / Features:
• Model: 3.25
• Type: 1″ (25 mm) Dome Tweeter
• Nominal Impedance: 4 Ω
• Power Handling (RMS): 60 W
• Peak Power Handling: 120 W
• Frequency Response: ~2,500 Hz – 25,000 Hz
• Sensitivity: ~92 dB @ 2.83 V / 1 m

Construction / Design:
• Dome Material: Soft dome (e.g. silk or composite textile) with damping
• Voice Coil: Aluminum former, copper winding
• Magnet: Neodymium motor for compact footprint and strong flux
• Pole Piece: CNC-machined steel or low-carbon iron for consistent flux
• Venting / Cavity Damping: Rear vent or chamber behind dome to reduce resonance
• Faceplate / Flange: Minimal acoustic flare to reduce diffraction
• Mounting / Housing: Flush-mount or surface ring included
• Terminals: Gold-plated connectors for secure low-loss connection

Mechanical / Mounting Specs (Approx):
• Overall Diameter: ~1.6″ (40 mm)
• Mounting Depth: ~1.0″ (25 mm)
• Cut-out Diameter: ~1.2″ (30 mm)