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Visaton DTW 72 8 Ohm, 0.6 Inch, Polycarbonate Dome Tweeter

DTW 72 · 8 Ω · part 1004 — Product photo

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DTW 72 · 8 Ω · part 1004 — Product photo Product photo DTW 72 · 8 Ω · part 1004 — Dimension drawing Dimension drawing DTW 72 · 8 Ω · part 1004 — Response and impedance Response and impedance DTW 72 · 8 Ω · part 1004 — Directivity pattern Directivity pattern

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DTW 72 · 8 Ω · part 1004 — Product photo

Product photo

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Part number: 1004

A compact 14 mm polycarbonate dome tweeter for the high range above 4000 Hz.

Nominal size
14 mm / 0.6 inch
Impedance
8 Ω
Rated power
70 W (12 dB/oct. high-pass from 5000 Hz)
Cut-out
50 mm
Sensitivity
91 dB (1 W/1 m)
Resonance
3000 Hz
ex VAT
£17.94 inc VAT
Maximum quantity available reached.

Stock and dispatch
Selected products are held in UK stock; other lines are sourced to order. Dispatch timing depends on the product and quantity.

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Description

The DTW 72 pairs an ultra-light polycarbonate dome with a strong magnet drive and a ferrofluid-cooled voice coil, giving good efficiency, high power handling and a balanced response with excellent dispersion. This 8 Ω version is rated at 70 W with a 12 dB/oct. high-pass from 5000 Hz, gives 91 dB (1 W/1 m) and resonates at 3000 Hz.

Typical applications

  • Tweeter for multi-way hi-fi speakers
  • Speaker kit builds
Full specifications
DTW 72 · 8 Ω
Rated power70 W (12 dB/oct. high-pass from 5000 Hz)
Maximum power110 W (12 dB/oct. high-pass from 5000 Hz)
Nominal impedance8 Ω
Frequency response (−10 dB)2200–23000 Hz
Mean sound pressure level91 dB (1 W/1 m)
Opening angle (-6 dB)125°/8000 Hz
Resonance frequency fs3000 Hz
Magnetic induction1 T
Magnetic flux65 µWb
Height of front pole-plate2 mm
Voice coil diameter14 mm
Height of winding2 mm
Cut-out50 mm
Net weight0.075 kg
D.C. resistance Rdc5.7 Ω
Effective piston area Sd2 cm²
Dynamically moved mass Mms0.1 g
Inductance of the voice coil L0.16 mH
Terminals4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Dimensions and drawings
DTW 72 · 8 Ω · part 1004 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Allow a 50 mm panel opening. The round faceplate is 72 mm in diameter, with 4.3 mm fixing holes countersunk to 6.8 mm on a 62 mm circle; mark them from the unit itself rather than assuming the spacing. Behind the panel allow about 17.5 mm for the 45 mm rear housing, plus room for the terminals and the wiring.

Mount it on a rigid baffle with a continuous seal between the faceplate and the panel, tighten the fixings evenly and only enough to seal so the faceplate is not distorted, and keep the dome clear of any grille. Connect to the 4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-) blade terminals with matching push-on connectors and observe polarity; the two blade widths identify it. The power ratings apply only with a 12 dB/oct. high-pass filter from 5000 Hz, so feed it through the system crossover or a high-pass filter that gives at least that protection; never connect it directly to a full-range signal. A dome this small depends on that filter to survive, so keep the slope steep and do not cross it over lower than the rating allows. Use an amplifier suitable for the 8 Ω load.

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