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Deaf Bonce Apocalypse AP-M81 SE 8" (20cm) Mid-Woofer

3 Reviews

170 Watt
Deaf Bonce

Apocalypse AP-M81 SE

8" (20cm) Mid-Woofer

3 Reviews

Technical Highlights

  • Power max. 340W, RMS 170W, impedance 4 Ohm, SPL 95.1 dB.
  • Frequency range 110-10000 Hz, ferrite magnet, BL 8.15, Fs 110 Hz.
  • Voice coil 1.50 inches, diaphragm made of pressed paper, Qts 0.66.
  • More technical details
€159,00
€159,00 €159,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Only a few left in stock (2 pieces available)
In stock
Apr 11, - Apr 12,
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€159,00
€159,00 €159,00

Apocalypse AP-M81 SE by Deaf Bonce

Apocalypse AP-M81 SE is an 8 inch (20 cm) mid-bass driver from Deaf Bonce. The frequency range is 110-10000 Hz and the sensitivity is 95.10 dB. The RMS power is 170 W. The maximum power is 340 W. The construction includes a steel basket, a pressed paper diaphragm, a ferrite magnet, and a 38.1 mm voice coil with copper-coated aluminum wire. The impedance is 4 Ohms. The dimensions include a mounting depth of 87.5 mm, a cutout size of 186.0 mm, and an outer diameter of 200 mm; the gross weight is 6.27 kg. Technical specifications: Fs 110 Hz, Qts 0.66, BL 8.15, and Vas 15.21 l.

Features
  • 8 inch (20 cm) mid-bass driver
  • Manufacturer: Deaf Bonce
  • Model: Deaf Bonce AP-M81SE
  • Impedance: 4 Ohms
  • RMS power: 170 W
  • Maximum power: 340 W
  • SPL: 95.10 dB
  • Frequency range: 110-10000 Hz
  • Diaphragm material: Pressed paper
  • Magnet material: Ferrite
  • Voice coil: 38.1 mm
  • Voice coil wire: Copper-coated aluminum
  • Basket: Steel
  • Mounting depth: 87.5 mm
  • Cutout size: 186.0 mm
  • Outer diameter: 200 mm
  • Gross weight: 6.27 kg
Technical Data
  • Fs: 110.00 Hz
  • Qts: 0.66
  • BL: 8.15
  • Vas: 15.21 l

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Deaf Bonce Apocalypse AP-M81 SE Datasheet

Open datasheet

Frequently Asked Questions about Apocalypse AP-M81 SE

What is the maximum power of the Apocalypse AP-M81 SE?

The Apocalypse AP-M81 SE from Deaf Bonce features a maximum music power of 340 watts. This power allows for clear and precise sound reproduction even at high volumes. The real strength lies in the combination of high power and a sensitivity of 95.1 dB, supported by the large ferrite magnet. This means that the speaker is not only loud but also efficient, as less amplifier power is needed to achieve high volumes. The RMS power is 170 watts, ensuring constant and reliable performance.

How is the sound quality of the Deaf Bonce AP-M81 SE?

The Deaf Bonce AP-M81 SE offers excellent sound characteristics achieved through the lightweight construction of the diaphragm and voice coils. With a frequency range of 110-10000 Hz, this 8-inch mid-bass speaker covers a wide range, allowing for versatile reproduction of low and mid-range frequencies. The diaphragm material made of pressed paper contributes to a pleasant tonality, while the sensitivity of 95.1 dB optimizes the sound at any amplifier power. Especially for playback at higher levels, the sound remains clean and distortion-free.

What are the dimensions of the AP-M81 SE and how does this affect installation?

The dimensions of the Deaf Bonce Apocalypse AP-M81 SE are crucial for installation and compatibility in various vehicles. It has a mounting depth of 87.5 mm, a cutout size of 186.0 mm, and an outer diameter of 200 mm. When installing, the size of the mounting space in the vehicle should be considered to ensure there is enough room for the depth and diameter. The steel construction of the basket provides stability and durability, while the gross weight of 6.27 kg may influence possible mounting options.

What materials are used in the Deaf Bonce AP-M81 SE?

In the Deaf Bonce AP-M81 SE, high-quality materials are used to maximize performance and sound quality. The diaphragm is made of pressed paper, valued for its acoustic properties. The magnet is made of ferrite, contributing to the speaker's high sensitivity and efficiency. The voice coil has a diameter of 1.50 inches and is made of copper-coated aluminum to enable optimal sound through lower inductive losses. The basket is made of robust steel, giving the speaker a long lifespan and high stability.

Is the Deaf Bonce AP-M81 SE compatible with my vehicle?

To check the compatibility of the Deaf Bonce AP-M81 SE speaker with your vehicle, it is important to consider the installation dimensions. With a mounting depth of 87.5 mm and an outer diameter of 200 mm, there should be enough space in the designated area of the vehicle. Additionally, the cutout size is 186.0 mm, which must be taken into account when adapting to existing cutouts. Since no specific car brands are mentioned in the product description, I recommend comparing these measurements with your vehicle's installation specifications to ensure a smooth installation.

What are the Thiele Small parameters of the AP-M81 SE?

The Thiele Small parameters of the Apocalypse AP-M81 SE provide detailed insights into the performance characteristics of the speaker. With a resonance frequency (Fs) of 110.00 Hz, the AP-M81 SE shows its strength in bass reproduction. The total quality factor (Qts) is 0.66, indicating a good balance between bass and volume. The mechanical loss factor (BL) is rated at 8.15, ensuring that the speaker has precise and controlled motion dynamics. The effective volume (Vas) is 15.21 liters, indicating the enclosure volume in which the speaker can operate optimally.

What does the sensitivity of 95.1 dB of the AP-M81 SE mean?

The sensitivity of 95.1 dB of the Apocalypse AP-M81 SE plays a crucial role in speaker performance. This value indicates how much sound pressure a speaker can produce with one watt of power. Higher sensitivity means that less amplifier power is needed to achieve high volumes. This is particularly advantageous if you want to ensure energy-efficient operation in your sound system. The large ferrite magnet significantly contributes to achieving this high sensitivity by providing optimal magnetic flux and efficient energy use for your sound.

What frequency ranges does the Deaf Bonce AP-M81 SE cover?

The Deaf Bonce AP-M81 SE speaker covers a frequency range from 110 to 10000 Hz, making it versatile for reproducing low and mid frequencies. This bandwidth allows for detailed playback of both bass and vocal frequencies. The lower range of 110 Hz indicates that the speaker is capable of handling deep bass, while the upper limit of 10000 Hz ensures that higher mid-tones are also reproduced clearly and precisely. Singing along in the car becomes an auditory pleasure, without missing frequency sections.

Why is the ferrite magnet in the AP-M81 SE important?

The ferrite magnet in the Apocalypse AP-M81 SE is crucial for the efficiency and performance of the speaker. Ferrite magnets are known for their stability under thermal stress, meaning they do not lose magnetic strength even at high volumes and with prolonged use. The large magnet in the AP-M81 SE contributes to its high sensitivity of 95.1 dB by providing an optimal magnetic flux that precisely controls the movement of the voice coil. This enhances sound fidelity and ensures that more amplifier power is converted into audible sound, contributing to excellent sound quality.

How does the copper-coated aluminum of the voice coil affect the performance of the Deaf Bonce AP-M81 SE?

The copper-coated aluminum of the voice coil in the Deaf Bonce AP-M81 SE combines the advantages of both materials to enhance speaker performance. Aluminum offers lightness, which speeds up the response time of the voice coil, leading to more accurate sound reproduction. The copper coating increases conductivity and minimizes electrical resistance, meaning that more energy is efficiently converted into sound. The result is a speaker that can reproduce a wide range of frequencies with minimal distortion, even when operated under high load, without compromising sound quality.

Manufacturer information / responsible person

Elofssons Försäljnings AB
Björn Elofsson
Gruvgatan 31A
421 30 Västra Frölunda / Gothenburg
Sweden

Contact: support@dbakuten.se

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