Tectonic Elements TEBM35C02-6B BMR Full-Range Headphone Driver

TECTONIC ELEMENTS | Broadband subwoofer

Tectonic Elements TEBM35C02-6B BMR Full-Range Headphone Driver

Name: Tectonic Elements Elements mélysugárzó 4" | HQ AudioParts
Brand: Tectonic Elements
SKU: TEBM35C02-6B
Price: 5590.00 HUF
Availability: LimitedAvailability

SKU: TEBM35C02-6B

25.4 mm 6 Ω

Achieve high-fidelity full-range audio in compact headphone designs with this 1-3/4" BMR driver. Its paper cone and neodymium magnet deliver a balanced sound profile with a total Q factor of 0.93.

5 590 Ft

(4 402 Ft + VAT)

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Technical data

Nominal diameter	25.4 mm
Impedance	6 Ω
Sensitivity (SPL at 1 m / 2.83 V)	78.4 dB
Power tolerance (max)	4 W
Resonance frequency (Fs)	156 Hz

Maximum linear deflection (Xmax)	2.5 mm
Total Q (Qts)	0.93
Electromagnetic Q (Qes)	1.19
Mechanical Q (Qms)	4.37
DC resistance (Re)	5.6 Ω
Voice coil inductance (L_e)	0.09 mH
BL product (BL)	2.39 T·m
The surface area of the cone (Sd)	11.04 cm²
Equivalent volume (Iron)	0.1614 l
Moving mass with air load (Mms)	1.24 g
Mechanical compliance of the suspension (Cms)	0.839 mm/N
Woofer type	DS2 Audio DAC
Membrane material	Paper
Surround material	Rubber
Voice coil diameter	20.32 mm
Magnetic material	Neodymium
Basket / frame material	Polymer
Dimensions (mm)	48.8 mm
Diameter of the baffle cutout	47.2 mm
# Mounting holes	4
Depth	20.3 mm
Enclosed volume	0 l
Open volume	0 l
Cutoff frequency (–3 dB)	147 Hz
Cutoff frequency (open, -3 dB)	89 Hz

The Tectonic Elements TEBM35C02-6B is a 1-3/4" BMR full-range headphone driver that redefines what is possible in compact audio design. As a broadband subwoofer, it delivers surprisingly deep and articulate bass from a diminutive footprint, making it an exceptional choice for engineers seeking high-fidelity sound in space-constrained applications. This driver is ideally suited for premium headphones, portable audio devices, and custom in-ear monitors where balanced, full-range reproduction is paramount.

At the heart of this driver lies a paper cone paired with a powerful neodymium magnet, ensuring a natural and detailed sound signature. The total Q factor of 0.93 indicates a well-damped response, while the mechanical Q of 4.37 and electrical Q of 1.19 contribute to controlled transient behaviour. With a sensitivity of 78.4 dB SPL at 1m/2.83V and a maximum linear excursion of 2.5 mm, it offers impressive output for its size. The voice coil inductance is a mere 0.09 mH, and the DC resistance measures 5.6 ohms, ensuring efficient power handling. The driver’s nominal diameter is 25.4 mm, with a depth of 20.3 mm and a baffle cut-out diameter of 47.2 mm, requiring four mounting holes for secure installation. This meticulously engineered component delivers a cohesive, immersive listening experience that belies its compact dimensions.