ESB Audio 4.100 speakers

Name: ESB Audio 4.100 speakers
Brand: ESB Audio
Price: 319.00 EUR
Availability: InStock
Rating: 5.0000 (1 reviews)

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center speakers, Ø 100 mm, 100 W RMS, 4 Ω, 89.2 dB (2.83V/1m), mounting depth 38 mm
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ESB Audio speakers series 4000

The latest model range 4000 (Quattromila), introduced in 2024, benefits from extensive technical research that enabled the use of new materials previously reserved only for much more expensive speakers. This was achieved also through parallel development with the top 9000 (Novemila) series, with which the Quattromila series shares several common elements. ESB's engineers aimed to create a significantly cheaper product while maintaining high-quality sound and exclusive design. The design is striking at first glance, led by luxury grilles on all speakers with a matte black finish, expressing an aesthetic similarity to the top model range. All speakers in the Quattromila series also feature powerful neodymium magnets that ensure above-standard efficiency and the ability to reach high acoustic pressure levels even with low-power amplifiers. Other noble materials such as aluminum or steel are also used, but the main advantage of the Quattromila speakers is above all the sound. The sound can be defined as "classic", in other words genre-neutral and without coloration. This significantly differentiates it from the higher 5000 series, which is almost competitive in price and whose sound is more suitable for so-called "light music" (often described as easy-listening music), but also for jazz or rock. Emphasis was also placed on easy installation in today’s modern vehicles - all speakers have high sensitivity, are designed for off-axis sound reproduction, and for example the tweeters offer a choice of three design installation variants. The 4000 series includes a total of five individual components for variable assembly of two-way and three-way systems, which, thanks to their sound quality, will impress even very demanding listeners.

ESB 4.100 center speakers

The center speakers of the 4000 series underwent a long and very costly development process to achieve highly faithful sound with an extended frequency response. The speaker features a high-quality neodymium magnet (Y-35), which guarantees surplus energy and easily reproducible excursion peaks during which the voice coil operates very quietly in the magnetic field. The pole plate, made of extremely low-carbon steel, is cold-forged from a single piece and machined on a CNC using FEM technology, achieving perfect geometry. This creates an additional concentration of magnetic force right in front of the voice coil, focusing the magnetic flux where it is needed. This type of manufacturing process ensures perfect flatness so that the plate sits in the same plane as the magnet without reducing the crucial magnetic flux. The speaker basket is made from pressure-cast aluminum alloy. This construction offers perfect stiffness and minimal resistance to airflow movement without changing sound quality. The casting of this aluminum basket follows strict procedures that ensure compliance with regulatory specifications and help maintain consistent casting quality. The aluminum voice coil with a copper cladding can handle very high power while reproducing music with extreme realism and high dynamics. The voice coil made of copper-clad aluminum wire is very light and offers excellent heat dissipation. At the same time it provides maximum sensitivity and extends the speaker's high-frequency response. The cone made of long-fiber pulp with a special outer treatment represents a perfect combination of lightness, stiffness and internal damping. The surround made of soft nitrile rubber is UV-resistant and unaffected by temperature changes, ensuring that the speaker's excellent acoustic properties are maintained over time. The special surround design ensures perfect and free forward and backward movement. The package includes luxury steel grilles with a matte black finish.

About ESB Audio

The history of ESB Audio goes back to 1972 when this Italian brand was officially founded. ESB Audio is among the most famous loudspeaker manufacturers of the second half of the 20th century and during its rich history they launched many innovative technologies and numerous high-end home audio products that achieved huge worldwide success. Building on this experience, ESB engineers began research in 1984 focused on optimizing sound for the automotive environment and two years later started producing their first car speakers. Due to great success, ESB increasingly focused on the automotive industry and its demanding challenges. Car audio became a phenomenon of the time and in 2005 a school dedicated exclusively to vehicle sound systems was founded in Aprilia, where ESB is based. At that time the decision was made to leave the world of home audio and focus exclusively on vehicle sound systems. Today ESB, together with the American manufacturer of audiophile amplifiers and DSP processors Zapco, is part of the Italian-Apex Group. The range includes several model lines headed by the high-end three-way system Novemila, which represents some of the most acoustically and aesthetically advanced speakers on the market today. This is also ESB Audio's main mission: to manufacture speakers of the highest quality focused on faithful sound, allowing the user to hear reproduction as the performer intended. Exactly according to the company slogan "Just like live".

Catalog number	ESB 4.100
Brand	ESB Audio
Links	Official web presentation (English)
Speaker typeCoaxial speakers: Coaxial speakers are characterized by a so-called all-in-one design. The tweeter and mid-bass speaker are in one basket. The advantage is simpler assembly, but thanks to the connection or proximity of the bands in one speaker, the sound quality will usually be reduced. As a rule, in the middle of the mid-bass speaker, there is a tweeter whose voice coil works in the second air gap of the common magnetic circuit. The three-way coaxial speaker consists of a mid-bass speaker, a center speaker and a separate tweeter in the front on a special beam. Component Speakers: Component speakers are characterized by a division into individual frequency bands, treble + mid-bass + or. bass band. The individual speakers can be placed completely separately, which results in a better sound and acoustic performance. In the vast majority of cases of component speakers, an external crossover is also supplied, which divides the treble, middle / mid-bass, and into the three-band the bass band or allows setting the decibel level of the tweeter (e.g. +2 dB, 0 dB, -2 dB), steepness (e.g. 6dB/Oct. 12dB/Oct.) or active or bi-amp connection.	Central
RMS powerRMS speaker power is the constant power of the entire system, not just one speaker or one side. This is also the performance of continuous use of the speakers. If the RMS power is exceeded for a long time, the speakers may be irreversibly damaged!	100 W
Max. (maximum performancePeak performance , which the speaker can play for a moment (approx. 0.5 s), for example when hitting drums in a song. If the max power is exceeded, the speakers will usually be damaged!	200 W
Sensitivity (SPL 2.83V/1m)Sensitivity, sensitivity or efficiency of the speaker. Speaker sensitivity is given in decibels (dB) and simply put, the higher the value, the lower the demands on the amplifier's power. This is a defacto rating of how a speaker converts watts to sound. Sensitivity ratings are in noise level measured at 1 meter from the speaker using 1 W (watt of power) or using 2.83 volts at the source at 1 meter. A higher decibel level means the speaker is louder with less power. For every 3 dB increase in sensitivity, the speaker requires half the power to reproduce the same volume. For example, if an 88 dB speaker needs 100 Watts to produce a certain volume, then a speaker with a sensitivity of 91 dB needs only 50 Watts to reach the same volume.	89.2 dB
Sensitivity (SPL 1W/1m)Sensitivity, sensitivity or efficiency of the speaker. Speaker sensitivity is given in decibels (dB) and simply put, the higher the value, the lower the demands on the amplifier's power. This is a defacto rating of how a speaker converts watts to sound. Sensitivity ratings are in noise level measured at 1 meter from the speaker using 1 W (watt of power) or using 2.83 volts at the source at 1 meter. A higher decibel level means the speaker is louder with less power. For every 3 dB increase in sensitivity, the speaker requires half the power to reproduce the same volume. For example, if an 88 dB speaker needs 100 Watts to produce a certain volume, then a speaker with a sensitivity of 91 dB needs only 50 Watts to reach the same volume.	86.2 dB
ImpedanceImpedance - measurement of electrical resistance. When buying speakers, it is important to make sure that the impedance matches the amplifier or car stereo you are using. Example: A 2 Ohm speaker cannot be connected to an amplifier that is only stable up to 4 Ohms! A 4 Ohm speaker can easily be used with an amplifier that is stable up to 2 Ohms. The most common speaker impedance today is 3 - 4 Ohm.	4 Ω
Frequency rangeThe ability of the speakers to play a signal from the lowest frequency to the highest, or the speaker's ability to faithfully reproduce sound in a specific frequency band. Professionally: In the frequency range from 40 to 16,000 Hz, the vast majority of fundamental and overtones (harmonics) of all musical instruments are found. We are interested in the course of the radiated sound pressure in this range of frequencies when the loudspeaker system is supplied with constant power. We call this course the frequency characteristic, which tells us the level of radiated sound pressure in decibels (dB) depending on the frequency. The frequency characteristic of a speaker or speaker system can be expressed most succinctly with a graph. Mostly, however, the frequency characteristic is indicated by indicating the maximum tolerance of the sound pressure in the given frequency range, e.g. 50 to 15,000 Hz -+ 6 dB. Since the frequency characteristics of loudspeakers and systems in general are quite uneven, some manufacturers do not even specify this maximum tolerance of sound pressure in decibels in their catalogs for reasons of prestige. Data impoverished in this way is unfortunately worthless. What is valid is that the manufacturer offers a speaker system with a frequency range of 30 to 20,000 Hz, if he is worried about stating the maximum unevenness of the sound pressure in this range, because he can have a tolerance of, for example, +- 20 dB. The unevenness or undulation of the frequency curve in good speaker systems for high-quality music performance should not exceed +-3 dB in the 80 to 12,000 Hz band and +-6 dB in the 40 to 16,000 Hz band. Greater unevenness already depletes or emphasizes certain tonal areas, which can cause audible or even disturbing distortion. The proportion between fundamental tones and higher harmonics also changes, thereby changing the color of the sound, and individual musical instruments as well as the entire musical image sound unnatural.	120 - 10000 Hz
Center speaker diameterThe diameter of the center speaker is given as the diameter of a round speaker, not including the mount, where the mounts protrude even more on smaller speakers.	100 mm (4")
Mounting depth of the center speakerThe mounting depth of the center speaker is measured from the bottom edge of the magnet to the bottom edge of the tin, plastic or cast speaker basket.	38 mm
Center speaker diaphragm materialDiaphragm material that was used in the manufacture of the center speakers.	Long-fiber pulp with a special outer finish
Resonant frequency of the center speaker	77 Hz
Cover grids included in the packageOriginal cover grilles in speaker packaging.	Yes
Price forIf the price is for a pair, the package always includes 2 pieces of everything, e.g. 2x mid-bass, 2x tweeter and 2x crossover.	Pair