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Visaton TIW 250 XS 8 Ohm, 10 Inch, High-End Woofer

TIW 250 XS · 8 Ω · part 1342 — Product photo

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TIW 250 XS · 8 Ω · part 1342 — Product photoProduct photo TIW 250 XS · 8 Ω · part 1342 — Rear view and connectionsRear view and connections TIW 250 XS · 8 Ω · part 1342 — Dimension drawingDimension drawing TIW 250 XS · 8 Ω · part 1342 — Response and impedanceResponse and impedance TIW 250 XS · 8 Ω · part 1342 — Cumulative spectral decayCumulative spectral decay

Product photographs and manufacturer drawings. Images are not to scale.

TIW 250 XS · 8 Ω · part 1342 — Product photo

Product photo

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Part number: 1342

A 25 cm high-end woofer with a fibreglass sandwich cone and very long excursion for large hi-fi systems.

Nominal size
25 cm / 10 inch
Impedance
8 Ω
Rated power
200 W
Cut-out
235 mm
Sensitivity
89 dB (1 W/1 m)
Resonance
33 Hz
ex VAT
£271.14 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.

Delivery information. Need it for a specific date? Ask us.

Quantity discounts

Description

The TIW 250 XS uses a low-resonance sandwich diaphragm of fibreglass and polyester fabric, an extra-wide rubber surround and a cast aluminium basket, with a long 50 mm voice coil and multiple venting to keep losses and flow noise down. This 8 Ω version handles 200 W rated power, allows ±14 mm of excursion and resonates at 33 Hz.

Typical applications

  • High-end hi-fi systems
  • Large multi-way speaker systems
Full specifications
TIW 250 XS · 8 Ω
Rated power200 W
Maximum power300 W
Nominal impedance8 Ω
Frequency response (−10 dB)fu–3000 Hz (fu: lower cut-off depends on the cabinet)
Mean sound pressure level89 dB (1 W/1 m)
Excursion limit±14 mm
Resonance frequency fs33 Hz
Magnetic induction1.3 T
Magnetic flux1600 µWb
Height of front pole-plate8 mm
Voice coil diameter50 mm
Height of winding25 mm
Cut-out235 mm
Net weight5.3 kg
D.C. resistance Rdc5.6 Ω
Mechanical Q factor Qms5.21
Electrical Q factor Qes0.35
Total Q factor Qts0.33
Equivalent volume Vas66 l
Effective piston area Sd314 cm²
Dynamically moved mass Mms49 g
Force factor Bxl13 Tm
Inductance of the voice coil L1.7 mH
TerminalsSpring terminals
Dimensions and drawings
TIW 250 XS · 8 Ω · part 1342 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Allow a 235 mm panel opening for a 276 mm frame, with the fixing holes on a 264 mm circle and 5.2 mm holes countersunk to 9 mm. Behind the panel leave about 115 mm of clear depth for the basket and the 155 mm magnet, with room beyond that for the terminals and the wiring.

At 5.3 kg the driver needs a rigid, well braced baffle and is easier to fit with a second pair of hands. Use a continuous gasket or sealing strip between the frame and the panel and tighten the fixings evenly and only enough to seal, so the cast frame is not distorted. With ±14 mm of travel available, check that the cone and the wide rubber surround stay clear of the grille and of any internal bracing at full excursion. Connections are by spring terminals, so strip only as much insulation as the clamp needs, make sure each conductor is gripped firmly, observe polarity and use an amplifier or crossover suited to the 8 Ω load.

Visaton's published enclosure suggestions for this driver: 30 l closed (fc 59 Hz, Qtc 0.59); 50 l closed (fc 50 Hz, Qtc 0.5); 70 l closed (fc 46 Hz, Qtc 0.46); 30 l bass reflex with one BR 15.34 port cut to 13 cm (fb 42 Hz); 50 l bass reflex with one BR 15.34 port cut to 12 cm (fb 36 Hz); 70 l bass reflex with one BR 15.34 port cut to 9 cm (fb 32 Hz).

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