Dayton Audio - DS90-8

The Dayton Audio DS90-8 is a 3-inch full-range speaker driver designed for audiophiles and speaker designers seeking high-fidelity sound in a compact form factor. As part of Dayton Audio's Designer Series, the DS90-8 combines aesthetic appeal with exceptional performance, making it a versatile choice for various audio applications.​

Key Features:

• Cosmetic Frame with Low-Profile Lip: Designed for front mounting without the need for countersinking, the DS90-8's frame ensures a clean and straightforward installation process.

• Coated Paper Cone and Half-Roll Rubber Surround: These materials enhance durability and provide accurate sound reproduction, ensuring longevity and consistent performance over time.

• Optimized Frequency Response: The DS90-8 delivers a smooth frequency response from 80 Hz to 13,000 Hz, simplifying filter design and ensuring compatibility with standard crossovers. ​

• Vented Pole Piece: This design feature minimizes power compression and maximizes reliability, contributing to consistent audio quality even at higher volumes.

• Generous Xmax Capability: With a maximum linear excursion of 2.5 mm, the DS90-8 allows for moderate bass boost, enabling users to tailor the audio response to their preferences. ​

• Aesthetic Consistency: The DS90-8 maintains a visual harmony with Dayton Audio's DVC Series subwoofers and passive radiators, making it an excellent choice for custom speaker projects where appearance matters. ​

Recommended Enclosures:

For optimal performance, Dayton Audio suggests the following enclosure configurations:​

• Sealed Cabinet (Acoustic Suspension):

  • Volume: 0.03 ft³​

  • Internal Dimensions: 6-1/4" H x 3-7/8" W x 2-3/8" D​

  • 3 dB Down-Point (F3): 158 Hz​

  • Low-Frequency Limit at Rated Power: Approximately 90 Hz​

• Vented Cabinet (Bass Reflex):

  • Volume: 0.12 ft³​

  • Internal Dimensions: 7-3/4" H x 4-3/4" W x 3" D​

  • Port Dimensions: 1" diameter x 6" length (with flared exit)​

  • 3 dB Down-Point (F3): 73 Hz​

  • Low-Frequency Limit at Rated Power: Approximately 70 Hz​

These enclosure designs are optimized to provide deep, accurate bass response while maintaining the speaker's structural integrity and performance.

In summary, the Dayton Audio DS90-8 is a thoughtfully engineered speaker driver that balances aesthetic elegance with high-fidelity audio performance. Its design features cater to both the practical needs of speaker builders and the auditory expectations of discerning listeners, making it a valuable component in various audio applications.