Dayton Audio DS90-8 3" Designer Series Extended-Range Speaker

Product description

The Dayton Audio Designer Series DS90-8 3" driver adds extended high frequency response to its outstanding mini-woofer performance.

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Highlights

Cosmetic frame with low profile lip, designed for front mounting—no countersinking required!

Coated paper cone, half roll rubber surround for durability and accurate reproduction

Optimized to yield a low 3 dB down point and high potential output in a reasonably sized cabinet

Smooth frequency response and linear roll-off simplify filter design, guaranteeing good results with off-the-shelf crossovers

Vented pole piece for minimized power compression and maximized reliability

Generous Xmax capability encourages use of moderate bass boost to tailor the response

Retains the same "family look" as the popular Dayton Audio DVC Series subwoofers and passive radiators

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Product details

Dayton Audio DS90-8 3" Designer Series Extended-Range Speaker

The Designer Series by Dayton Audio was developed specifically with the speaker designer in mind. It is an affordable, attractive line of drivers that puts performance first. Careful engineering ensures that each speaker in the series is capable of handling full rated power at the lowest possible frequencies—without exceeding Xmax.

These speakers combine useful performance parameters with elegant style. Carefully optimized to provide superb audio reproduction when incorporated into a wide variety of enclosures and alignments, the Designer Series transducers put a beautiful face on audiophile excellence.

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Suggested enclosures:

Sealed cabinet: Type: Acoustic suspension (alpha 3.5), Qtc 0.69; Size (internal) including volume displaced by driver: 0.03 ft³; Internal cabinet dimensions (golden ratio): 6-1/4"H x 3-7/8"W x 2-3/8"D. Typical results: 3 dB down-point (f3): 158 Hz; Low frequency limit at rated power without exceeding conventional Xmax (i.e. (voice coil length – gap height) / 2)): 90 Hz.

Vented cabinet: Type: Bass reflex; Size (internal) including volume displaced by driver and port: 0.12 ft³; Internal cabinet dimensions (golden ratio): 7-3/4"H x 4-3/4"W x 3"D; Port dimensions (with flared exit): 1" dia. x 6"L. Typical results: 3 dB down-point (f3): 73 Hz; Tuning frequency (fb): 69 Hz; Low frequency limit at rated power without exceeding conventional Xmax (i.e. (voice coil length – gap height) / 2)): 70 Hz.

Frequency response (FRD) and Impedance (ZMA) data files available to assist in crossover and enclosure modeling.

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Specifications

Article number DS90-8

Woofer Series Designer Series

Woofer Type Full-Range/Midwoofer

Nominal Diameter 3"

Power Handling (RMS) 20 watts

Power Handling (max) 40 watts

Impedance (Z) 8 ohms

Sensitivity (SPL at 1m / 2.83V) 84.1 dB

Frequency Response 80 - 13,000 Hz

Voice Coil Diameter 20.4 mm

Magnet Weight 8 oz.

DC Resistance (Re) 6.3 ohms

Voice Coil Inductance (Le) 0.56 mH @ 1kHz

Resonant Frequency (Fs) 81.4 Hz

Mechanical Q (Qms) 2.19

Electromagnetic Q (Qes) 0.53

Total Q (Qts) 0.43

Diaphragm Mass Inc. Airload (Mms) 3.8g

Mechanical Compliance of Suspension (Cms) 1.02 mm/N

Surface Area of Cone (Sd) 31.2 cm²

Volume of Displacement (Vd) 7.8 cm³

BL Product (BL) 4.76 Tm

Compliance Equivalent Volume (Vas) 1.31 liters

Maximum Linear Excursion (Xmax) 2.5 mm

Cone / Diaphragm Material Coated Paper

Surround Material Rubber

Voice Coil Wire Material Copper

Voice Coil Former Aluminum

Basket / Frame Material Steel

Magnet Material Ferrite

Overall Outside Diameter 92.3 mm

Overall Depth 44.6 mm

Baffle Cutout Diameter 70 mm

# Mounting Holes 4

Sealed Volume 0.2 ft.³

Sealed F3 148 Hz

Vented Volume 0.05 ft.³

Vented F3 80 Hz