Tectonic Elements TEBM28C10-4/A BMR Full-Range Speaker

TECTONIC ELEMENTS | Full-range driver

Tectonic Elements TEBM28C10-4/A BMR Full-Range Speaker

Name: Tectonic Elements Elements mélysugárzó 8" | HQ AudioParts
Brand: Tectonic Elements
SKU: TEBM28C10-4/A
Price: 6690.00 HUF
Availability: InStock

SKU: TEBM28C10-4/A

25.4 mm 4 Ω

Achieve clear, full-range audio in compact designs with this broadband speaker, ideal for portable and distributed sound systems. Its balanced armature motor and flat diaphragm deliver low distortion across a wide frequency range. The speaker offers a total Q factor (Qts) of 0.39 for versatile enclosure tuning.

6 690 Ft

(5 268 Ft + VAT)

Own warehouse Out of stock

Külső raktár 2. 10+ pcs Aug 5.

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Technical data

Nominal diameter	25.4 mm
Impedance	4 Ω
Sensitivity (SPL at 1 m / 2.83 V)	83 dB
Power tolerance (max)	20 W
Resonance frequency (Fs)	13000 Hz

Total Q (Qts)	0.39
Electromagnetic Q (Qes)	0.45
Mechanical Q (Qms)	2.74
DC resistance (Re)	4.4 Ω
Voice coil inductance (L_e)	0.09 mH
BL product (BL)	2.87 T·m
The surface area of the cone (Sd)	8.55 cm²
Equivalent volume (Iron)	0.1501 l
Moving mass with air load (Mms)	1 g
Mechanical compliance of the suspension (Cms)	1.5 mm/N
Dimensions (mm)	46 mm
Screw head diameter	48 mm
Diameter of the baffle cutout	39.6 mm
# Mounting holes	4
Depth	24.4 mm
Enclosed volume	0 l
Open volume	0 l
Cutoff frequency (–3 dB)	286.2 Hz
Cutoff frequency (open, -3 dB)	154.1 Hz

The Tectonic Elements TEBM28C10-4/A BMR Full-Range Speaker represents a breakthrough in compact audio engineering, delivering exceptionally clear and balanced sound across the entire frequency spectrum. As a full-range driver, it is specifically designed to produce full-range audio from a single, space-saving driver, making it an ideal choice for portable Bluetooth speakers, distributed sound systems, and other applications where size constraints demand uncompromised performance.

This speaker excels in scenarios where traditional multi-driver setups are impractical, such as in slimline enclosures, soundbars, or battery-powered devices. Its balanced armature motor and flat diaphragm technology ensure low distortion and wide dispersion, providing a natural and immersive listening experience even in challenging acoustic environments.

Technically, the TEBM28C10-4/A offers a nominal impedance of 4 ohms and a DC resistance of 4.4 ohms, with an impressive sensitivity of 83 dB SPL at 1m/2.83V. The total Q factor (Qts) of 0.39, combined with a mechanical Q (Qms) of 2.74 and an electromagnetic Q (Qes) of 0.45, indicates excellent damping and transient response. Its low voice coil inductance (Le) of 0.09 mH further enhances high-frequency clarity. The speaker’s compact dimensions—a nominal diameter of 25.4 mm, a depth of 24.4 mm, and a baffle cut-out diameter of 39.6 mm—allow for easy integration into tight spaces, while the four mounting holes on a 48 mm screw circle ensure secure installation. With a -3 dB cutoff frequency of 286.2 Hz in a sealed enclosure and 154.1 Hz in a vented design, this driver delivers authoritative bass and articulate mids.

In summary, the Tectonic Elements TEBM28C10-4/A is a versatile, high-performance full-range speaker that brings professional-grade audio to compact, modern designs.