Scan-Speak Classic 21W/8555-10 8.5" Woofer

SCAN-SPEAK | Bass mid-bass subwoofer

Scan-Speak Classic 21W/8555-10 8.5" Woofer

Name: Scan-Speak Classic mélysugárzó 5" | HQ AudioParts
Brand: Scan-Speak
SKU: 21W/8555-10
Price: 96990.00 HUF
Availability: LimitedAvailability

SKU: 21W/8555-10

215.9 mm 8 Ω

Achieve deep, controlled bass in your audio system with this 8.5-inch woofer from the Scan-Speak Classic series. It delivers a low resonance frequency of 20 Hz for extended low-end response.

96 990 Ft

(76 370 Ft + VAT)

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Technical data

Nominal diameter	215.9 mm
Impedance	8 Ω
Resonance frequency (Fs)	20 Hz
Sensitivity (SPL at 1 m / 2.83 V)	87 dB
Power tolerance (max)	16 W

Maximum linear deflection (Xmax)	6.5 mm
Total Q (Qts)	0.31
Electromagnetic Q (Qes)	0.33
Mechanical Q (Qms)	4.5
DC resistance (Re)	5.5 Ω
Voice coil inductance (L_e)	0.4 mH
BL product (BL)	8.2 T·m
The surface area of the cone (Sd)	22 cm²
Equivalent volume (Iron)	133.9385 l
Mechanical compliance of the suspension (Cms)	1.98 mm/N
Woofer type	VMV D2R Audio DAC
Voice coil diameter	41.91 mm
Subwoofer Series	Scan-Speak Classic Series

The Scan-Speak Classic 21W/8555-10 8.5" Woofer is a high-performance bass driver designed to deliver deep, controlled low frequencies with exceptional clarity. As part of the renowned Scan-Speak Classic series, this woofer is engineered for audiophiles and DIY enthusiasts who demand accurate, musical bass reproduction in their loudspeaker systems.

This versatile woofer excels in a range of applications, from two-way bookshelf speakers to dedicated subwoofer designs. Its extended low-end response makes it ideal for high-fidelity home audio systems, while its robust construction ensures reliable performance in both sealed and ported enclosures. Whether you are upgrading an existing design or building a custom loudspeaker from scratch, this driver provides the foundation for a truly immersive listening experience.

Technically, the 21W/8555-10 features a low resonance frequency of 20 Hz, enabling deep bass extension. With a total Q factor (Qts) of 0.31 and a maximum linear excursion (Xmax) of 6.5 mm, it offers precise control and high output capability. The 8-ohm impedance and 87 dB sensitivity ensure compatibility with a wide range of amplifiers, while the 41.91 mm voice coil and 5.5 ohm DC resistance contribute to its thermal stability and power handling of up to 160 watts. The equivalent volume (Vas) of 133.9 litres aids in enclosure design flexibility.

In summary, the Scan-Speak Classic 21W/8555-10 is a superb choice for those seeking authoritative, articulate bass with the build quality and engineering excellence expected from a premium Scandinavian driver.