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Amplificator Integrat Yamaha A-S701
Boxe Dynavoice Challenger M-105 EX V4
ToP-ART Design and ART Base Ensure Optimum Sound When processing and transmission of the audio signal is simple and direct there is less chance of it being affected by noise and distortion. Yamaha′s amplifier design technology called ToP-ART features an I/O (input to output) Direct Symmetrical Design, with left and right channels organised in a straight, symmetrical layout for highest signal purity. In addition, the ART (Anti-Resonance and Tough) Base bottom chassis and a solid centre bar provide high-rigidity support and vibration damping. These Yamaha design innovations contribute to this amplifiers′ rich audio reproduction with abundant musicality.
Custom-made power transformer, custom-made block capacitors, two direct signal path speaker relays, one-point grounding system, aluminium-extruded heat sinks and other top-quality parts effortlessly handle demanding audio signal conditions. The quality of each individual part, as well as how they work together, basically determines the sound quality of any component. Yamaha uses only very high quality parts, carefully selected and tested.
Yamaha, with a long history of over 125 years as a musical instrument maker, also has a high reputation for HiFi components. The A-S701 is created by taking advantage of this rich experience and high technological expertise. Based on the concept of “Natural Sound”, for reproducing all music as it really sounds, and built with scrupulous care from circuit design to basic sound production, even though an entry model it reproduces high sound quality and musically rich sound.
With a straight connection to the CD input, CD Direct Amplification maximises CD source S/N ratio. Additionally, engaging the Pure Direct mode causes the music signals to travel the shortest possible circuit route, bypassing the buffer amp and the tone, loudness and balance controls to virtually eliminate any signal degradation for the purest sound quality.
The A-S701 also feature a new analogue loudness control on the front panel that uses electronic volume for higher sound quality, which lets you adjust the loudness effect as desired. Separate from the overall volume, this controls the balance of the low- and high- frequency sounds, providing full tonal range at any volume level, compensating for the natural loss in the human ear of high and low frequencies at soft levels.
Gold-plated terminals ensure a high quality connection that prevents signal loss. The A-S701 have gold-plated speaker terminals and input terminals
The A-S701 is equipped for digital audio input with both optical and coaxial terminals. The optical is for receiving audio from a TV, and the coaxial for receiving audio from a Blu-ray player. The audio stays in the digital domain, giving you pure, pristine dynamic sound for all your entertainment sources, from sports and other programmes to movies and concerts.
With the YBA-11, you′ll be able to stream music wirelessly from a Bluetooth capable mobile phone or a PC to the Network receiver. Thanks to the digital connection and aptX® audio coding algorithm, you′ll enjoy wireless music streaming with optimum sound quality. You can also conveniently power the YBA-11 via the DC-out connection on the rear panel of the amplifier.
You can connect two separate speaker systems in different rooms and switch between them, or have them both playing at the same time. There are four terminals, so by just pushing a button, you can switch speakers to match the sound source.
A terminal for connecting a subwoofer is provided, allowing you to increase the bass output of your system for a more powerful sound with better overall sound quality.
You can connect a turntable with an MM phono cartridge to play vinyl records. This lets you enjoy not only CDs, but also analogue record sound from an amp with the latest digital/analogue technology.
With a beautifully simple and unique design inherited directly from Yamaha′s HiFi audio components, this amplifier also boast an easy-to-operate button layout. The aluminium front panel has a richly textured silver hairline finish. The control knobs are also of the same luxurious construction as used on our top-end models.
The clean, simple design of the remote control provides easy-to-understand one-hand operation. The easy-to-use design makes it simple to adjust song volume and order. The unit has a sophisticated looking hairline finish that matches the design of the amplifiers. You can also use the remote to control a Yamaha CD player.
The rotary encoder makes it quick and easy to select input sources. The luxury hairline finish material offers a nice tactile feeling. LEDs clearly show which source is selected, so you can easily switch sources even in a dark room.
The amplifier has a power management function that detects when it hasn't been used for a long time (about 8 hours) even though the power is on, and automatically shifts it into standby mode. So even if you forget to turn it off, power consumption will be minimised.
When processing and transmission of the audio signal is simple and direct there is less chance of it being affected by noise and distortion. Yamaha′s amplifier design technology called ToP-ART (Total Purity Audio Reproduction Technology) features I/O (input to output) Direct Symmetrical Design, with left and right channels organized in a straight, symmetrical layout for highest signal purity.
Engaged by a front panel switch, it matches CD signal levels so each stage produces less noise, resulting in improved S/N ratio and maintenance of the amp′s total gain balance.
Dynavoice este unul dintre cei mai celebri producatori
de boxe. Localizati in Suedia, Dynavoice cu o atentie sporita asupra
calitatii produselor sale, respectandu-si clientii, au conceput de-a
lungul anilor produse cu cel mai bun raport pret-calitate. Dynavoice si
Proson marci ale aceluiasi producator sunt produse care datorita
calitatii lor atat din punct de vedere estetic cat si acustic au strans
de-a lungul anilor multiple recenzii de 5 stele atat de la tehnicieni
cat si utilizatori, sunetul boxelor sale fiind mult peste nivelul
asteptariilor, sunet dinamic, precis, transparent, coerent si mai ales
puternic sunt usor de recunoscut chiar si intr-un blind test
Seria Challenger iese in evidenta ca urmare a tweeter-ului deosebit, facut, testat si conceput in laboratoarele Dynavoice
Basul seriei denota forta si foarte mare precizie, mediile ajuta la o redare a vociilor exemplara
Dynavoice Challenger M-65 EX has always been one of our top sellers since its introduction. Now it got a big brother with more basic resources for those who desire it. The difference between version 3 and version 4 is only the design, when it comes to the sound, we have not found anything to improve. M-85 EX version 4 got rounded corners and a new design on the front and the cloth grille. We think this is by far the best looking version of the M-85 EX so far and we are confident that it will remain on the throne, now even more secure than before. M-85 EX is equipped with dual 8-inch subs with aluminum chassis. But do not think that it is just a monster speakers, the euphony has been preserved from the M-65 EX.
Cabinet to M -85 is designed for maximum stability. This is to provide a tight hifi sound box without resonances. All the walls, top and bottom is 18 mm MDF, a plurality of struts are fitted in the box to stabilize further. Treble and midrange are located in a box so that the elements will not interfere with each other. If you do a simple ”knock test on the box you understand what we mean ...
Overall, this gives a really solid speaker with a match weight of 27 kg. The new EX version has been equipped with piano lacquered front to give the speaker the upscale look it deserves.
At the top of the terminals are three gold-plated connectors. These are used to fine-tune the critical midrange area as desired. Choose between -2 dB / 0 dB / +2 dB / +4 dB. Modification of connectors means that you change the speaker's character. Then you do not have to adjust the bass / treble controls on the amp to get the sound you want.
By placing the bracket in the various X-Change - holes you make changes in the 4 kHz - 20 kHz range. Without the bracket the level drops by 2 dB, with the bracket mounted the level changes with the number of dB written between the holes.
- 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.
- 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 ceva 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.
- 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.
- 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.
Pentru detalii privind aceste aspecte de rodaj si nu numai, va rugam sa ne consultati!