Wavecor TW030WA12 tweeter waveguide 8 ohm

TW030WA11 and TW030WA12 are tweeters designed for the most demanding applications, where low resonance frequency, high sensitivity and power handling, controlled dispersion, and a very wide frequency range are required.

• Featuring waveguide face plate for controlled dispersion, offering optimized off-axis and power response
• 30 mm voice coil design with high power handling, and low resonance frequency
• Copper clad center pole yielding very low voice coil inductance for reduced distortion and increased high frequency output
• Internal volumes for low resonance frequency and distortion
• Precision-coated textile diaphragm for improved consistency and high-frequency extension
• Optimized dome shape for ultra high frequency cutoff
• Vented voice coil former for reduced distortion and compression
• Copper-clad aluminium voice coil wire offering lower moving mass for improved efficiency and transient response
• Build-in cavities under dome/edge to equalize pressure for lower distortion and lower resonance frequency
• Flexible lead wires for higher power handling and larger excursion
• Gold plated terminals to prevent oxidation and ensure long-term reliable connection
• Delivered with foam gasket attached for hassle-free mounting and secure cabinet sealing

  Notes

  	Parameter	TW030WA11	TW030WA12	Unit
  	Nominal size	30	30	[mm]
  	Nominal impedance	4	8	[ohm]
  	Recommended frequency range	1.5 - 25	1.5 - 25	[kHz]
  1, 4	Sensitivity, 2.83V/1m (average SPL in range 2 - 20 kHz)	93.5	91	[dB]
  2	Power handling, short term, IEC 268-5, 2.5 kHz@12dB/oct.			[W]
  2	Power handling, long term, IEC 268-5, 2.5 kHz@12dB/oct.			[W]
  2	Power handling, continuous, IEC 268-5, 2.5 kHz@12dB/oct.	45	45	[W]
  	Effective radiating area, Sd	11.5	11.5	[sq.cm]
  3, 4, 6	Resonance frequency (free air, no baffle), Fs	410	425	[Hz]
  	Moving mass, incl. air (free air, no baffle), Mms	0.43	0.40	[g]
  3	Force factor, Bxl	1.7	2.0	[N/A]
  3, 4, 6	Suspension compliance, Cms	0.35	0.35	[mm/N]
  3, 4, 6	Equivalent air volume, Vas	66	66	[mlit.]
  3, 4, 6	Mechanical resistance, Rms	0.57	0.57	[Ns/m]
  3, 4, 6	Mechanical Q, Qms	1.9	1.9	[-]
  3, 4, 6	Electrical Q, Qes	1.34	1.74	[-]
  3, 4, 6	Total Q, Qts	0.79	0.90	[-]
  4	Voice coil resistance, RDC	3.5	6.5	[ohm]
  5	Voice coil inductance, Le(measured at 20 kHz)	23	35	[μH]
  	Voice coil inside diameter	30.4	30.4	[mm]
  	Voice coil winding height	1.7	1.7	[mm]
  	Air gap height	2.5	2.5	[mm]
  	Theoretical linear motor stroke, Xmax	±0.40	±0.40	[mm]
  	Magnet weight			[g]
  	Total unit net weight excl. packaging	0.70	0.70	[kg]
  3, 4, 5	Krm	2.9	2.8	[mohm]
  3, 4, 5	Erm	0.50	0.53	[-]
  3, 4, 5	Kxm	58	424	[mH]
  3, 4, 5	Exm	0.20	0.036	[-]

  
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