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IMPORTATOR EXCLUSIV Audia Flight Strumento n°4 mk2
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Audia Flight Strumento n°4 mk2

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The Strumento N°4 mk2 Stereo Power Amplifier is a close to perfection state of the art two channel power amplifier that exhibits incredible response speeds (bandwidth greater than 1MHz), high output power (up to 900 Watts), and nearly unlimited speaker driving/control capability.
For the mk2 version we’ve used our experience in designing its sibling the Strumento N° 8 Mono-block Power Amplifier as well as our trained human ears to aide us to further refine the original Strumento N°4 circuit (such small, but critical changes include the value of resistors and capacitors).
This effort has allowed us to more closely achieve our goal of sonic perfection with the Strumento N°4 mk2, much like a luthier uses years of experience, craftsmanship, and keen ear to find the perfect tonal character and emotional response for their instruments.

The Strumento N°4 mk2’s chassis begins its life as an ultra high grade, bespoke aluminum cast. After the CNC finishing work is completed, every part is then closely inspected and “mirror polished” by hand. Some critical areas are further finished by hand, with shot peening and anodization completing the beautiful metal work. The final touch is an elegant silk-screening process.
Untitled“A masterpiece in aesthetics and electronics in a single chassis, the Strumento N°4 mk2 Stereo Power Amplifier is surpassed only by a pair of its sibling the Strumento N° 8 Mono-block Power Amplifier.”
Untitled“We always knew that the Italians had style and flair, but I would not have imagined the Italians could match the best of Canada, the US and Germany for innovation and technical execution. A wonderful musical and technical achievement.”
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Within the beautiful casework of the Strumento N° 4 mk2 one finds yet more attention to detail and incredible Italian craftsmanship. There you will find a fully balanced circuitry, carefully selected ultra high grade components throughout, a massive power supply built with extra low impedance,
ultra high grade capacitors (280.000µF alone on the main power supply), custom printed boards with an extra high-grade surface copper, and ultra pure copper bars in the output stages. But we have chosen to not stop there with the Strumento N° 4 mk2 Stereo Power Amplifier! The Strumento N° 4 mk2’s power supply is comprised of two super high current power supplies per channel and four stabilized independent stages for each channel: two for the input stages and two for the Audia Flight current feedback stage. The gain stage’s power supply is designed to achieve extremely low noise, the filter is made by ultra-fast rectifiers and extra low impedance capacitors. Two 150VA toroidal audio transformers are used for the main stages and one 15VA toroidal transformer is used for the logic control and protections. The main power supply is made by n.28 10.000µF 40V extra low impedance capacitors. No fuses are found in the main power supply for the output stage (we find fuses are like a “resistors” and can negatively impact the sound), instead a current sensor read by microprocessor is employed.

The amplifier’s gain stage is an exclusive Audia Flight design consisting of an entirely class A current-feedback circuitry.
To further isolate this critical part of the amplification process from interference and grant thermal stabilization for all of its discrete components, the gain stage is enclosed within an aluminum box and encapsulated in an epoxy resin. Meanwhile, the output stage of the Strumento N°4 mk2 is powered by a massive 3000VA custom made audio transformer, encapsulated by epoxy resin and sealed within two ferromagnetic shields.
Ultra-fast rectifiers instead of fuses are used on the main power supply for the output stage.

With every circuit detail addressed, we then turn to mechanical details to complete this masterpiece! When the amplifier is on a shelf,
the power transformers, located on an independent chassis, are physically decoupled from the audio circuit chassis, thus discharging to ground any spurious vibrations from the transformers should they be present.

A masterpiece in aesthetics and electronics in a single chassis, the Strumento N°4 mk2 Stereo Power Amplifier is surpassed only by a pair of its sibling the Strumento N° 8 Mono-block Power Amplifier.

Product Description

Audia Flight Strumento n°4 mk2

  • Output power per channel Watts RMS @ 8/4/2 Ohm 250/500/900W
  • Gain 29 dB
  • Input sensitivity 1.41 Volts RMS
  • Frequency response (1W RMS -3dB) 0,3 Hz ÷ 1 MHz
  • Slew-Rate (@ 8 Ohm) > 200 V/µS
  • THD < 0,05 %
  • S/N Ratio 110 dB
  • Input impedance Unbalanced 7,5 kOhm
  • Balanced 7,5 kOhm
  • Damping factor (@ 8 Ohm) > 1000
  • Main voltage AC (50-60Hz) 100, 110-115, 220-230, 240 V
  • Stand-by Power consumption less than 1W
  • Nominal Power consumption (no signal) 400W
  • Power consumption (260W RMS @ 8ohm both channels driven) 1000W
  • Dimensions and weight 450x280x500mm (W x H x D) – 95kg
  • Shipping dimensions and weight 580x410x700mm (W x H x D) – 125kg
    The Strumento N°4 mk2 Stereo Power Amplifier is a close to perfection state of the art two channel power amplifier that exhibits incredible response speeds (bandwidth greater than 1MHz), high output power (up to 900 Watts), and nearly unlimited speaker driving/control capability.

Informații suplimentare

Producator

Audia Flight

Prod

Amplificator de Putere

Finisaje Audia Flight

Black, Silver

Descriere producator

    Un producator al carui deziderat este acela de a oferi produse care imbina perfect design-ul italian sofisticat cu constructia robusta si originala, nu poate atrage în jurul sau decât admiratie si respect.
    Începând cu primul lor produs, misiunea Audia Flight a fost foarte clarã: produsele vor rezulta din sinergia designului, original al circuitului cu frumusetea stilului italian.
    Creatiile Audia, se poate spune, sunt un rezumat al culturii italiene: arta si design.
    Fondata în 1996 de Massimiliano Marzi si Andrea Nardini, Audia Flight proiecteazã si manufactureaza în Italia: amplificatoare, preamplificatoare si surse, la cele mai inalte standarde. Toate produsele Audia Flight sunt fabricate în întregime la sediul situat în orasul Civitavecchia, lângã Marea Mediteranã, la 70 de kilometri de Roma.
    Începând cu convingerea fundamentalã cã o componentã nu ar trebui sã modifice semnalul audio, Massimiliano si Andrea au petrecut doi ani (1994-1996) in cercetare si dezvoltare, care în curând vor constitui baza filozofiei lor de sunet si bineinteles a tuturor produselor ulterioare.
    Aceastã nouã schemã exploateazã reactia negativa pe curent in detrimentul celei pe tensiune asa cum fac majoritatea producatorilor, amplificarea este de tip “transimpedance” (si, prin urmare, extrem de liniara), iar feedback-ul este închis înainte de faza de iesire.
    Rezultatul final constã în circuite foarte rapide si stabile, cu o capacitate puternicã de a controla chiar si cea mai puternica încãrcare reactivã.
    Astãzi, rezultatul acestei sinergii italiene este o familie de produse Audia Flight, care include seria clasicã, seria Three S, noua serie FLS de nivel premium si seria High End Strumento.
    În timp ce suma tuturor experientelor de la Audia Flight intrã în fiecare produs pe care îl construiesc, seria Strumento reprezintã multi ani de cercetare si de dezvoltare, care au condus intr-un final la un design de circuit super perfectionat.
    Evident, pe lângã dezvoltarea unei noi tehnologii în designul de amplificare, s-a consumat multã energie în cãutarea componentelor de primã clasã, atât pentru calitate, cât si pentru performantã, pentru cãi de transmisie curate cat si pentru transformatoare unice.
    Design italian ridicat la nivel de arta, cu o constructie robusta ( numai cu componente discrete ( fara SMD-uri) ), intotdeauna cu o sursa de alimentare de o putere mai mare decat cerintele tehnice ale aparatului si un sunet extrem de natural, fac ca Audia Flight sa impresioneze deja lumea HIFI.

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