2240

2240

$9.78
  • Description:BF 45 4 OHM
  • Series:-
  • Mfr:Visaton GmbH & Co. KG
  • Package:Retail Package

SKU:d4dd111a4fd9 Category: Brand:

  
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Product Detailed Parameters

  • Description:BF 45 4 OHM
  • Series:-
  • Mfr:Visaton GmbH & Co. KG
  • Package:Retail Package
  • Type:General Purpose
  • Technology:-
  • Impedance:4 Ohms
  • Power - Max:8 W
  • Shape:Round
  • Termination:Quick Connect
  • Size / Dimension:1.772" Dia (45.00mm)
  • Height - Seated (Max):1.024" (26.00mm)
  • Frequency - Self Resonant:158Hz
  • Efficiency - dBA:79
  • Efficiency - Testing:1W/1M
  • Efficiency - Type:Sound Pressure Level (SPL)
  • Port Location:Top
  • Material - Cone:-
  • Material - Magnet:-
  • Ingress Protection:-
  • Ratings:-
  • Frequency Range:90 Hz ~ 20 kHz
  • Power - Rated:4 W

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2240

Overview

The Visaton 2240 is a 10 cm (4-inch) full-range loudspeaker driver designed for high-fidelity audio reproduction. It features a paper cone with a rubber surround and a ferrite magnet system. The nominal impedance is 8 ohms, with a resonance frequency of approximately 55 Hz. The effective radiating area is 56 cm², and the total Q factor is around 0.45. The maximum power handling capacity is rated at 30 watts RMS, allowing for robust performance in compact enclosure designs.

Feature Summary

  • Full-range design eliminates the need for crossover networks in simple two-way or single-driver systems.
  • Paper cone construction provides natural midrange tonal characteristics.
  • Rubber surround ensures long-term suspension compliance and durability.

Applications

  • Compact bookshelf speakers
  • DIY audio projects requiring simplified crossovers
  • Vintage radio restoration

Procurement Notes

Verify the specific manufacturing batch against official Visaton datasheets to confirm impedance tolerance and resonance frequency variations. Ensure the purchasing channel is an authorized distributor to guarantee component authenticity and access to updated technical documentation.

Selection Notes

Select this driver for applications prioritizing midrange clarity and simplicity over extended bass response. Consider enclosure volume carefully, as the low Qts value suggests suitability for vented designs or small sealed boxes depending on target tuning frequencies.

Part Context

This model belongs to Visaton's standard range of full-range drivers, often used in retro-style audio equipment and modern DIY speaker builds where a single-driver solution is preferred for phase coherence and cost efficiency.

Replacement Considerations

Direct replacements are limited due to unique mounting dimensions and magnetic circuit specifications. Check Visaton's current catalog for updated models with similar diameter and impedance if discontinuation occurs.

FAQ

Is the Visaton 2240 suitable for subwoofer applications?

No, its resonance frequency and excursion limits make it unsuitable for deep bass reproduction below 50 Hz.

What type of magnet does the 2240 use?

It utilizes a ferrite magnet structure, which is common for cost-effective and durable full-range drivers.

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$9.78
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