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Descriere
Bookshelf speakers by Unitra. The enclosure features a closed construction with a bass-reflex design. Specially selected high and low-midrange transducers operate in a 2-way system to produce the sound. The set is known for its efficiency, dynamics, and effectiveness. It seamlessly pairs with any amplifier.
Modern sound in a classic form.
ZGB-401 is a compact speaker system with a bass-reflex construction, designed specifically for bookshelf speaker enthusiasts. Equipped with an advanced 2-way system utilizing a precise crossover, it ensures a linear sound characteristic, providing faithful reproduction of musical material. The high-frequency transducer, thanks to its innovative design, improves directivity, while the aluminum-ceramic membrane of the low-midrange transducer ensures high rigidity with minimal mass. The bass-reflex port plug facilitates system adaptation to various acoustic conditions. High-quality components, such as air coils and metalized polypropylene capacitors, ensure a linear transfer characteristic without visible divisions in the frequency range. The finish with natural materials, including wooden veneer and Polish linen, gives the system an aesthetic appearance. ZGB-401 collaborates seamlessly with a wide range of amplifiers, making it a universal solution for discerning audiophiles.
Bass-reflex construction
Our solution employs a well-known bass-reflex enclosure design with a tuned port. The low-midrange section is handled by a 6-inch transducer featuring a very light and rigid aluminum-ceramic membrane, characterized by very low distortions. Meanwhile, in the upper part of the acoustic range, an aluminum-magnesium dome with a unique construction improves directional characteristics. This configuration allows for enjoying a coherent, full sound that is reproduced over a broad spatial range beyond the main axis of the speakers.
The system is also adaptable to function as a closed enclosure. This is facilitated by the included bass-reflex port plug, allowing the speakers to be adapted to smaller or acoustically challenging spaces and specific placement conditions.
Advanced 3rd Order Crossover
The use of an advanced 3rd-order passive crossover enables a proper and optimal division of the audio signal frequency ranges between the speakers. This maximizes the utilization of their best characteristics while simultaneously eliminating negative interferences. The high attenuation of the filters also helps to reduce distortions, especially those characteristic of a high-frequency aluminum dome operating outside its optimal frequency range. The crossover is designed in a way that achieves the most linear processing characteristic without excessively highlighting the extremes of the frequency spectrum, aiming to faithfully reproduce recordings. We have employed top-quality components, including air coils and metalized polypropylene capacitors, which enhance the linearity of the transfer characteristic without visible divisions in the frequency range.
Smooth impedance characteristic
Smooth impedance characteristics with no local low extremes, making it possible to connect to amplifiers sensitive to changes in load impedance.
Double box design
The design of the enclosure is based on an uncommon on the market box-in-box arrangement for greater rigidity of the structure. The resulting weight of the set of more than 10,5 kg has a significant impact on the reduction of vibrations of the enclosure walls and parasitic resonances generated as a result, which positively translates into sound quality.
Finishing with natural materials
The enclosures are finished with natural wood veneer made from selected leaves and hand oiled. In addition to the standard black grilles, we also have more classic ones, for which we used Polish linen.
Frequency Response (±3 dB) 60Hz – 23kHz
Sensitivity 87 dB
Impedance 4 Ω (minimum 3,5Ω)
Power Rating 60W RMS
System 2-drożna
Crossover Frequencies 700 Hz / 2,4 kHz??
Enclosure Type Bass-reflex (+zatyczka)
Connector Type Dual (bi-wire / bi-amp)
Tweeter 27 mm aluminiowo – magnezowy
Midwoofer 6” aluminiowo-ceramiczny
PRODUCT SPECIFICATIONS
Dimensions (H x Wx D) 380 x 210 x 280 mm
Weight 2 x 10,5 kg
Grille Black acoustic fabric or natural linen
Finishes Real wood veneer: Black Ash or American Walnut
Material Two layers of MDF (total thickness: 20 mm / 0.8 in)
Informații suplimentare
| Producător | |
|---|---|
| Disponibilitate | La Comandă – Produsul se aduce la comandă in 3-6 zile! |
| Unitate Pret | Pereche |
Explicatii in ceea ce priveste rodajul echipamentelor, cat si al cablurilor, asezarea optima a echipamentelor in camera de auditie, importanta acusticii camerei si nu in ultimul rand sistemul de alimentare a intregului echipament:
PENTRU BOXE:
- Pentru performante optime este necesara pozitionarea boxelor la o distanta de minim 30-40cm de peretele din spate pentru boxele cu bass-reflex in spate, pentru cele cu bass-reflex in fata, recomandam pozitionarea la o distanta de 10-20cm fata de peretele din spate, dar totodata la o distanta de cel putin 50cm fata de peretii laterali. Tineti cont de faptul ca orice piesa de mobilier din incapere, joaca rol de absorbtie fonica, dar si de difuzie fonica daca acestea din urma sunt din materiale ceramica sau oglinzi, geamuri sau alt material reflectorizant. In acest sens, gasiti pe blogul nostru, multiple articole care va pot ajuta
- Boxele vor ajunge sa functioneze in parametrii recomandati de producator, dupa minim 50 de ore (ideal 100 ore) de functionare la volum mediu. In aceasta perioada de timp, de “rodaj a boxelor”, sunetul va fi la inceput mai artificial, bass-ul nu va fi inca controlat, inaltele rigide iar vocile usor retinute, pe masura ce boxele vor functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate. Exista boxe care necesita un „rodaj” mai amplu de minim 300 de ore mai ales in cazul celor care au difuzoare de kevlar, carbon sau alte materiale de acest tip. Boxele care se „rodeaza” cel mai repede sunt cele care au difuzoare de celuloza.
Imbunatatirea sunetului unui sistem audio stereo (Partea I)
Imbunatatirea sunetului unui sistem audio stereo – (Partea II)
PENTRU AMPLIFICATOARE, DAC-URI, PREAMPLIFICATOARE, RECEIVER STEREO & HOME CINEMA, SURSE DIGITALE AUDIO-VIDEO:
- Pentru performante optime este necesar „rodarea” echipamentului, In functie de complexitatea componentelor din aparatul dumneavoastra acesta poate dura intre 30-200 ore.
- Rodajul se face la volum minim, fiind astfel suficient faptul ca acesta este alimentat corect conform manualului de utilizare la 220-230 Volti si trece semnal audio sau video dupa caz prin el.
- Echipamentul supus „rodajului” va ajunge sa functioneze in parametrii recomandati de producator, dupa perioada mai sus mentionata. In aceasta perioada de timp, de “rodaj”, sunetul va fi la inceput ceva mai artificial, bass-ul nu va fi inca controlat, inaltele rigide iar vocile usor retinute, pe masura ce echipamentul va functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate.
- In ceea ce priveste echipamentul video precum videoproiector, TV, media player, blueray player, necesita un "rodaj" de cel putin 50 de ore. Lipsa acestuia nu va poate oferi maxim de performanta. "Rodajul" se efectueaza prin simpla utilizare a acestuia, intr-un mod conform specificatiilor mentionate de producator.
PENTRU CABLURI:
- Pentru performante optime este necesara „rodarea” cablurilor, In functie de complexitatea conductorului folosit, cat si geometriei acestuia, „rodajul” poate dura intre 30-100 ore.
- Rodajul se face la volum minim, fiind astfel suficient faptul ca va trece semnal audio sau video dupa caz prin el.
- Cablul supus „rodajului” va ajunge sa functioneze in parametrii recomandati de producator, dupa perioada mai sus mentionata. In aceasta perioada de timp, de “rodaj”, sunetul va fi la inceput ceva mai artificial, pe masura ce cablul va functiona, veti remarca cum bas-ul devine mai controlat, mai prezent si mai voluminos, vocile si sunetele medii devin naturale si mai echilibrate, iar inaltele devin rafinate si detaliate.
Articole indrumatoare:
Tratamentul Acustic si Izolarea Fonica
Pentru un sistem echilibrat, trebuie tinut cont pe langa asezarea corecta a boxelor in incapere, al echipamentelor, sistemul de alimentare al acestora, tinand cont de instalatia electrica a locatiei.
Pentru detalii privind aceste aspecte de rodaj si nu numai, va rugam sa ne consultati!
Fii primul care adaugi o recenzie la „Boxe de Raft Unitra ZGB-401 Negre”
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