60*42.5mm Multimedia Speaker Driver

29-45mm-multimedia-speaker-driver

Model No.: XDEC-78Y-1

Part I. Introduction

16-8-22mm-2watt-multimedia-speaker

This is our soundbox product, consisting of a miniature 30mm Mylar Speaker driver and a white plastic housing, with soldering wires for connection. You only need to add a PCB board, and this product can play sound! It saves research time and costs, allowing your new design to come to market more quickly! With dimensions of 34.3*8.8mm, this passive Sound Box speaker has a nominal impedance of 8 ohms, a rated power of 1 watt, and a maximum power of 1.5 watts. Its resonant frequency (F0) is 1700Hz, with a frequency range from F0 to 7K. Distortion is less than or equal to 5%. This soundbox speaker driver has a power output of just 1-1.5 watts, conserving energy, with a sound pressure level (SPL) of about 94. Our soundbox can be used in many sound products, including portable devices, monitoring systems, security systems, fingerprint locks, walkie-talkies, and more.

Application

Smart speakers, smart home applications, car audio systems, mini projectors, advertising players, digital photo frames, teaching tablets, etc.

Components of Multimedia Speaker Driver

Diaphragm:

The diaphragm comprises the cone and the dust cap (dome). It serves as the large movable membrane designed to oscillate back and forth according to the audio signal waveform. As the diaphragm moves forward and backward, it respectively pushes and pulls air, causing compression and rarefaction in the air/medium, thereby propagating sound waves through the air/medium.

Suspension:

The suspension links the diaphragm to the housing/basket of the speaker. It facilitates the proper amount of diaphragm excursion while maintaining the diaphragm and voice coil within their appropriate range of motion. This entails supporting movement along the Z-axis while constraining movement in the X and Y-axes.

Surround:

The surround, also known as the front suspension, is a ring-shaped component that connects the cone/diaphragm to the basket/chassis of the speaker driver. As part of the suspension, the surround aids in controlling cone excursion, regulating the outward and inward movement of the cone/diaphragm.

Spider:

The spider forms the internal part of the speaker suspension. Its primary function is to keep the voice coil in position, allowing movement along the Z-axis while restricting movement in the X and Y axes. Without the spider, there would be a significant risk of the voice coil hitting and/or adhering to the magnet.

Voice Coil:

The voice coil is a tightly wound (typically cylindrical-shaped) coil of conductive wire. It is equipped with a lead wire attached to either end and becomes part of a circuit through which the AC audio signal passes.

Magnetic Structure:

The magnetic structure generates a concentrated permanent magnetic field within the driver, particularly around the voice coil. As a varying magnetic field induced across the voice coil via the AC audio signal, the coil interacts with the permanent magnetic field and oscillates relative to the audio signal waveform.

Magnet:

The main magnet serves as the primary source of the speaker driver's magnetic field (the pole piece simply extends the magnetic poles of the main magnet).

Top Pole Plate:

The top pole plate extends one magnetic pole of the magnet to the exterior of the voice coil. If the top pole plate is too thin, the driver may lose efficiency and experience saturation/distortion, while if it's too thick, the transient response of the speaker may suffer.

Yoke:

The bottom pole plate and upward-reaching pole piece are commonly referred to together as the yoke. This component, situated at the back of the loudspeaker, extends the opposite magnetic pole into the interior of the voice coil.

Basket:

The basket, also known as the chassis or housing, is the stationary physical housing that connects to the magnetic structure at the bottom, the surround at the top, and the spider somewhere in the middle.

Types of Drivers for Multimedia Speakers

Cone Type Drivers:

With conically shaped diaphragms, this is the most commonly used type of driver. Diaphragms, often referred to as cone "paper," have traditionally been made from paper pulp. However, a variety of materials are now available. Besides paper pulp, commonly used materials include PP (polypropylene) and carbon fiber. This structure finds extensive application, covering full-range drivers capable of reproducing the entire audio spectrum, woofers for bass sound reproduction, mid-range drivers for medium frequency ranges, and tweeters for high frequencies.

Dome Type Drivers:

Diaphragms can also be dome-shaped, with sound radiated directly from the domes. The advantage of this type of driver is its excellent directionality. It is commonly used for mid and high frequency reproduction. Many types of dome tweeters offer lower-extending coverage compared to horn-type tweeters, making them suitable components for forming 2-way systems. Dome tweeters can be classified into two categories based on dome materials: soft dome types, which use soft materials such as silk, cotton, or polyester film, and hard dome types, which utilize hard materials such as aluminum or titanium.

Horn Type Drivers:

This type of driver is characterized by a horn attached in front of the diaphragms. Its typical application is the reproduction of mid and high frequency ranges. Acoustically loaded horns provide these drivers with high efficiency and good transiency.

Speaker Driver Materials Used For Manufacture

Aluminium: The majority of metal domes use aluminium diaphragms. Aluminium has an extremely high stiffness-to-weight ratio but poor damping characteristics. Some vendors also chemically treat the metal or apply coatings to improve its damping characteristics.

Titanium: Titanium is slightly heavier than aluminium for an equivalent sized dome. However, it is much stronger than aluminium and has slightly better internal damping. It is also significantly more expensive. As with aluminium, chemical or ceramic surface treatments like "Tioxid" or coatings are sometimes used to enhance damping.

Fabric Treated: Often silk, but other materials are also in common use. Hand-treated fabric is used as the material of choice in some of the most respected tweeters in high-end sound systems. Fabric domes have high internal damping, and their stiffness-to-weight ratio is mostly dependent on the material used to treat the fabric.

Beryllium: Used only in professional drivers, beryllium is the ultimate metal for use in diaphragms. Its stiffness-to-weight ratio is the highest of any known metal. Although its self-damping is not inherently superior, its stiffness usually raises its resonances to well over 50 kHz, obviating the requirement for special surface treatments. Beryllium is also one of the most expensive materials from which to fabricate diaphragms.

Polymide: Polymide is the last of the hard dome materials. It is used in only one recommended driver, a low-cost 3/4" dome tweeter from LPG.

Kevlar: Although Kevlar is most typically used in woven form for larger coned drivers, it still makes two Kevlar dome tweeters.

Ceramic: We produce tweeters using thin aluminum oxide ceramic diaphragms. Used correctly, ceramic can be an almost perfect material. Although it's not as fragile as many assume, fabricating ceramic diaphragms suitable for use in tweeters is quite tricky.

All the above parameters can be adjusted or customized according to customer requirements.

Established in 2009 as a well-known domestic electro-acoustic enterprise, Shenzhen Xuanda Electronics Co., Ltd (XDEC) specializes in the research and development, manufacture, and marketing of various speakers, receivers, microphones, and other electro-acoustic products. These products find wide applications in headphones, mobile phones, walkie-talkies, point-and-click pens, learning machines, cordless telephones, laptops, portable DVDs, TVs, navigation devices, building security systems, car audio-visual systems, mini-audio devices, and other consumer electronics products, as well as communication equipment.

XDEC adheres to the business philosophy of "Integrity, Quality, Innovation, and Service," rigorously controlling every aspect of production. It places high importance on production equipment, quality, and R&D investment. XDEC vigorously introduces advanced production equipment and independent R&D equipment to meet customer needs, emphasizing independent innovation and excellence. The company is committed to in-depth R&D for more refined electro-acoustic products and is willing to collaborate with partners from all walks of life to create a brilliant future together.

Part VI. FAQ

 

 

Q1. What is the MOQ?

XDEC: 3000pcs for one model.

Q2.Do you support OEM and ODM services?

XDEC: Yes, we can customize products according to the drawing.Many things to be considered and discussed before a product come into mass production. We help you to ' Print Your Idea '

Q3. What are the payment methods?

XDEC: T/T, PayPal, Western Union, Money Gram.

Q4. What are the payment terms?

XDEC: 30% deposit in advance and 70% balance before delivery.

Q5. Can I get some free samples before mass production?

XDEC: Of course! We will be happy to send you free samples for your quality evaluation. You just need to bear shipping cost.

Q6. How long can I get the samples?

XDEC: Usually we make samples around 3-5 days, it also depends on your product and request.

Q7. Are more speaker drivers better?

The big benefit to multi-way speakers - coaxial or otherwise - that use a tweeter and one or more drivers to handle the midrange and bass, is that each individual driver can be optimized for a specific frequency range.

Q8. What is the purpose of the driver in a speaker?

A driver is the mechanical part of a loudspeaker or subwoofer, also called a transducer. The driver's function is to take the electrical energy of the audio signal and convert it to mechanical energy by moving air to create sound.

Q9. What is the most common type of speaker driver?

The most common type of driver, commonly called a dynamic loudspeaker, uses a lightweight diaphragm, or cone, connected to a rigid basket, or frame, via a flexible suspension, commonly called a spider, that constrains a voice coil to move axially through a cylindrical magnetic gap.

Q10. How do drivers affect sound quality?

Do bigger drivers in earphones or headphones mean better audio quality? All other things being equal, bigger drivers generally equal more volume and more bass.

Q11. Does speaker driver size matter?

Generally speaking, larger drivers tend to produce more powerful and detailed sound, especially in the bass frequencies. Smaller drivers, on the other hand, can still produce good sound quality, but they may not have the same depth and richness as larger drivers.

Q12. What is the efficiency of a speaker driver?

Most speaker specifications pertain to sensitivity. Efficiency is the percentage of acoustic energy radiated in all directions from a speaker, compared to the input of a given amount of power (3% to 4% efficiency is typical for a woofer).

Q13. What is power rating on speaker driver?

A speaker's power rating details the amount of power that it can safely handle. If your loudspeaker is rated for 300 watts of power that means that it can safely handle 300 watts.

Q14. What are speaker drivers made of?

In order to create the foundation for great sound, great speaker drivers need to be made of a durable, lightweight, yet stiff material. There are a variety of different materials that are used in speaker drivers, including paper, metal (such as aluminum or titanium), polypropylene, beryllium and Kevlar.

Q15. Does driver size affect audio quality?

Driver Diameter - Headphone sound quality depends to a great extent on the size of the diaphragm, which is indicated by the driver diameter: the larger the diameter, the better the sound quality tends to be. Most drivers for earbuds are 13.5 - 15.4 mm in diameter, with those for canalphones being 8.8 - 12.5 mm.

Q16. How many drivers does a full range speaker have?

Typically, a full-range drive unit consists of a single driver element, or voice coil, used to move and control a diaphragm.

Q17. Does speaker size affect loudness?

In general, larger speakers are capable of producing more volume. They are larger and move more air, which in turn means more volume. Obviously there are other factors that come into play (such as your amp), but bigger speakers generally equate to more volume. And as implied, smaller speakers tend to be more quiet.

Q18. How do you pack speaker drivers?

For small light-weight drivers like the greencones, wrap in heavy cardboard and secure with tape. Wrap in bubblewrap to make at least 5 cm on all sides. For small drivers the bubblewrap seen above will do. For larger drivers, 8-10", use 1" bubblewrap to make at least 7-10 cm on all sides.