Tang Band W1-2121S

4Ω

Full-range

Nominal diameter	1″ / 25 mm
Resonance	120 Hz
Q factor	0.35
Sensitivity	78.2 dB
Linear excursion	± 2.3 mm
Program Power	12 W

Tang Band W1-2121S Full-range

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 78.2dB
Frequency response 120 - 15000Hz

Thiele & Small parameters

Resonance frequency (free air) fS 120Hz
Mechanical quality factor QMS 1.33
Electrical quality factor QES 0.47
Total quality factor QTS 0.35

Large signal parameters

Maximum linear excursion (one way) xmax 2.3mm
Air volume displaced at xmax VD 2.1cm³
Power handling P 6W
Program power Pmax 12W

Voice Coil

Nominal impedance Z 4Ω
DC resistance RE 3.5Ω
Inductance (1kHz) LE 0.07mH
VC Diameter 28mm

Magnet

Force factor Bl 3.14N/A
Motor constant Bl/√RE 1.68N/√W
Air gap height HAG 2.3mm
Material Neodymium

Diaphragm

Effective diameter 34mm
Effective area SD 9cm²
Moving mass MMS 1.68g
Moving mass (without air load) MMD 1.7g
Material Aluminium

Suspensions

Stiffness KMS 1.05N/mm
Compliance CMS 949µm/N
Equivalent volume to the compliance VAS 0.11L
Mechanical resistance RMS 0.95N·s/m
Surround material Santoprene

Dimensions

Nominal diameter 1″
25mm
Net weight 0.08kg

Tang Band W1-2121S SPL & Impedance

Tang Band W1-2121S Dimensions

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