The 3 x 7 Piezo Tweeter (Model SB-307M) is a high-performance audio component designed to deliver crisp, clear high-frequency sounds for your speaker system. Unlike traditional voice-coil tweeters, this piezo-electric driver is exceptionally efficient and robust, making it an ideal choice for DIY speaker builds, PA systems, and instrument amplifiers.
Engineered for durability and clarity, this tweeter provides a significant upgrade to any audio setup needing sharp treble reproduction.
Exceptional Treble Clarity: Specifically tuned to reproduce high frequencies with precision, adding "air" and detail to your music or public address announcements.
Piezoelectric Technology: Operates without a magnet or voice coil, making it lightweight, highly efficient, and naturally resistant to burnout compared to standard drivers.
High Power Handling: Rated at 300W, allowing it to integrate seamlessly into powerful professional audio setups.
Wide Dispersion Design: The rectangular 3" x 7" horn shape is optimized for wide horizontal sound dispersion, ensuring clear high-end audio throughout the room.
Motorola Quality Standard: Manufactured to rigorous quality standards to ensure reliable performance even under heavy use.
Easy Installation: Features a pre-drilled rectangular flange for quick and secure mounting to speaker cabinets.
Type: Piezo Tweeter.
Dimensions: 3 inches x 7 inches (approx. 80mm x 185mm).
Power Rating: 300 Watts.
Frequency Response: Optimized for high-frequency (treble) reproduction.
Impedance: High impedance (typical of piezo drivers), making them easy to wire in parallel.
PA & DJ Speakers: Adds necessary high-end "bite" to professional stage monitors and front-of-house speakers.
Home Theater DIY: Perfect for building custom floor-standing speakers or center channels.
Instrument Amps: Enhances the brightness of keyboard or acoustic guitar amplifiers.
Outdoor Sound Systems: Durable enough for use in stadium or playground announcement systems.
Do I need a crossover for this tweeter? One of the best benefits of piezo tweeters is that they act as a natural capacitor, meaning they often don't require a complex crossover to prevent low frequencies from damaging them. However, using a simple resistor or a basic high-pass filter can help smooth out the sound and match the volume to your woofer.
Will this tweeter blow out if my amp is too powerful? Piezo tweeters are much more resistant to "blowouts" than traditional tweeters. With a 300W rating, the SB-307M is built to handle significant power, though you should still avoid extreme clipping from your amplifier to maintain sound quality.
How do I connect the wires? The back of the tweeter typically features two terminals. Since it is a piezo device, polarity is less critical than with standard speakers, but for the best "in-phase" sound, try to match the positive and negative leads consistently across all speakers in your system.
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