Nakamichi FSM-326 speakers
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Nakamichi FSM-326 midrange speakers
The Nakamichi FSM-326 are 3" midrange speakers from the top Fidela product line, designed for precise and natural reproduction of the midrange in demanding sound quality installations. Their primary role is to fill in missing mid frequencies, improve music intelligibility and create a more cohesive and realistic soundstage. A key design element of these speakers is the carbon fiber diaphragm. It combines high stiffness with very low mass, enabling quick response, accurate signal tracking and minimization of unwanted resonances. The result is a clean, detailed and natural reproduction of vocals and acoustic instruments without the coloration typical of lower-quality midrange drivers. The FSM-326 operate over a wide frequency range of approximately 200 Hz to 8 kHz, a region that is crucial for music intelligibility and correct spatial rendering. Thanks to this, they significantly improve the transition between mid-bass and tweeters and contribute to an overall balanced system presentation. The compact design with a mounting depth of around 44 mm allows installation even in limited spaces, such as dashboards, A-pillars or specific OEM locations. The neodymium magnet ensures high efficiency while keeping motor size small and providing good control of the diaphragm.
Fidela - Nakamichi's top line
Fidela represents Nakamichi's top tier, combining the brand's rich history with modern technologies and precise craftsmanship. Originally, the Fidela name was associated with high-end tape recorders in the 1960s, known for their innovative mechanisms and unmistakable sound. Today, the Fidela line focuses on car amplifiers and DSP processors that use premium components for maximum sound quality. Key features of Fidela amplifiers include the use of high-quality components, excellent build quality and a premium design. Thanks to these qualities, Fidela amplifiers are an ideal choice for discerning users seeking high sound quality and extensive customization options in automotive environments.
Main features
- 3" (75 mm) midrange speaker.
- Top product line Nakamichi Fidela.
- Carbon fiber diaphragm with high stiffness and low mass.
- Designed to supplement the midrange and improve the soundstage.
- Frequency range 200 Hz – 8 kHz.
- Compact design with mounting depth approx. 44 mm.
- Neodymium magnet for high efficiency and small size.
- Suitable for sound quality and competition-oriented installations.
About the Nakamichi brand
The history of Nakamichi dates back to 1948, when it was founded in Japan by Etsuro Nakamichi. His journey toward fulfilling his dreams began with the establishment of a small research institute, Nakamichi Research Corporation, in Tokyo. It focused on sonar and magnet research and provided development solutions for leading brands, government institutions, universities and other organizations. Since then it has established itself as a trusted creator of high-quality products born from intensive scientific work, a passion for sound and a commitment to uncompromising quality and performance. In 1972, Takeshi Nakamichi joined Nakamichi Corporation and played a key role during its period of growth. He was closely involved in the development of all the brand's legendary audio products sold in Asia, America and Europe – including the introduction of the Nakamichi 1000, the world's first cassette deck. He was regarded as one of the world's leading acoustics and sound engineers, able to combine top-notch sound with the genius design virtues of the brand's then chief engineer Kozo Kobayashi. These amplifiers, players and car radios are today considered legends for their unsurpassed quality. Nakamichi remains successful today, producing high-quality products not only for home audio but also for vehicles. The manufacturer's cleverly designed portfolio continues to grow, and virtually all products stand out for their excellent sound and build quality in their price category.
| Catalog number | FSM-326 |
| Brand | Nakamichi |
| Links | Official web presentation |
| 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. | Midrange |
| 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! | 25 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! | 150 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 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 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. | 200 - 8000 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. | 3" (75 mm) |
| 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. | 44 mm |
| Center speaker diaphragm materialDiaphragm material that was used in the manufacture of the center speakers. | Carbon |
| 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 |