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Description
Integrated stereo amplifier with dual-mono design. Inspired by the golden stereo era of the 1970s. Timeless design with swing-out indicators and patented automatic switch technology.
Made with current feedback topology, with great performance of all-analog audio path, especially ideal audio channel separation and unique sound clarity. It features a class change function and a wide range of signal inputs, including balanced inputs.
Timeless Design
The amplifier has a classic design inspired by the 1970s and is built using premium-grade components.
Timeless interface
The interface using pivot indicators and bistable switches in a new iteration in our patented automated version – an unmistakable beauty with added functionality and convenience.
Durability
Weighing in at 22 kilograms, Unitra’s powerful amplifier comprises 1586 parts housed in a massive metal chassis.
All-analog stereo integrated amplifier.
The inspiration for the WSH-805 was the legendary Unitra WSH-205 amplifier, little known in Poland because it was so good that it was mostly produced for export. In our estimation, it represented the pinnacle of our stereo audio technology. Inspired by this leading representative of the golden era of analog stereo of the 1970s, we created it anew, improving everything that could be used with modern advances , but leaving the main concepts. That's why the WSH-805 is fully analog, with no digital signal processing elements that can interfere with the original sound of the original analog signal.
The result is the closest amplifier to the original sound, which in its essence is analog.
Winner of the Red Dot 2023 award
The WSH-805 amplifier has been recognized by the jury of the best design competition and was among the narrow winners of this elite competition.
Dual-mono architecture
Each channel uses a separate preamplifier and power amplifier to ensure the best possible channel separation.
Current Feedback Topology
While being more challenging to implement, this topology offers improved performance in terms of dynamic range and feedback.
Power block reinvented
A proprietary power block based on discrete circuits – a unique sound that differs significantly from that in devices based on off the shelf integrated circuits.
Clear and distortion-free sound
The solutions used made it possible to achieve a signal-to-noise ratio of more than 100 dB, providing exceptionally clear sound without noise.
Very low distortion levels: harmonic distortion (THD) 0.0008% at 1 kHz / 8 Ω / 40 W and intermodulation distortion (IMD) 19 – 20 kHz at 10 W < 0.0015% will allow you to hear sound without tonal blemishes, so reproduced exactly as the artist intended.
Changing the class of work
A unique feature of changing from Class A to Class AB operation with a dedicated switch on the front panel gives you the choice between maximum efficiency translating into loudness or maximum linearity of operation.
Traditional and balanced analog inputs
A rich set of RCA inputs, plus a pair of balanced XLR inputs for the most discerning analog audio enthusiasts, so they can connect the signal source in a way that minimizes the impact of interference from the source to the amplifier.
Phono preamplifier with cartridge type selection function
A dedicated phono preamplifier with a choice of MM or MC modes allows connection of any cartridge currently available on the market.
Built-in headphone amplifier
Dedicated low-impedance headphone amplifier allows you to connect Hi – End class headphones directly to the amplifier. Thanks to the optimally selected parameters, each pair of headphones plays in optimal conditions for each other.
RMS Output Power
Class AB, 8 Ω 80 W
Class AB, 4 Ω 125 W
Class A, 8 Ω 8 W
Class A, 4 Ω 16 W
Inputs
RCA: Aux 1, Aux 2, Tuner, CD, Streamer, Phono + GND (MM / MC), Direct In; XLR: Balanced
Outputs
Speaker terminals: A / B / AB; 6.3 mm Headphone Output; Pre Ou
Power Amplification Specifications
Total Harmonic Distortion (THD)
< 0.0008% (40 W)
Frequency Response
6.3 Hz to 110 kHz (−3 dB)
Signal-to-Noise Ratio (SNR)
SNR 102 dB
Channel Separation
> 100 dB (dla 1 kHz)
Intermodulation Distortion
19 + 20 kHz @ 10 W < 0.0015%
Adjustments
Bass
Treble
Contour (smart adaptive contour)
Linear (tone control bypass)
Balance
Other
Dimensions
440 × 385 × 143 mm (17.3 × 15.2 × 5.6 in)
Weight
22 kg (48.5 lbs)
Package Contents
Power cord, remote controller with battery, owner′s manual, warranty card
Additional information
| Producător | |
|---|---|
| Disponibilitate | La Comandă – Produsul se aduce la comandă in 3-6 zile! |
| Unitate Pret | Bucata |
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.
- 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 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.
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.
Pentru detalii privind aceste aspecte de rodaj si nu numai, va rugam sa ne consultati!
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