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Visaton K 45 8 Ohm, 1.8 Inch, Miniature Speaker

Part number: 2849

A 4.5 cm miniature speaker with a Mylar diaphragm and metal basket for signal output in machines and equipment.

Nominal size
4.5 cm / 1.8 inch
Impedance
8 Ω
Rated power
1 W
Cut-out
41.5 mm
Sensitivity
83 dB (1 W/1 m)
Resonance
520 Hz
ex VAT
£5.94 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.

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

Quantity discounts

Description

The K 45 is a 4.5 cm miniature speaker with a Mylar diaphragm and a metal basket, made for signal output in machines and equipment where space is limited. The 8 Ω unit handles 1 W rated power, weighs 46 g and connects through solder lugs.

Typical applications

  • Signal output in machines
  • Equipment monitoring
Full specifications
K 45 · 8 Ω
Rated power1 W
Maximum power2 W
Nominal impedance8 Ω
Frequency response (−10 dB)300–14000 Hz
Mean sound pressure level83 dB (1 W/1 m)
Resonance frequency fs520 Hz
Height of front pole-plate1.5 mm
Voice coil diameter14 mm
Height of winding2.5 mm
Cut-out41.5 mm
Net weight0.046 kg
TerminalsSolder lugs
Temperature range–25 to 70 °C
Dimensions and drawings
K 45 · 8 Ω · part 2849 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Allow for a 41.5 mm opening and the 45 mm basket, with about 18 mm behind the panel for the magnet and solder lugs. Support the basket evenly around its rim.

Solder to the lugs, observe polarity and keep the drive within the 1 W rating from an output stage suitable for the 8 Ω load.

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