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Combina calidez clásico con claridad moderna
El GR40 admite entradas USB, ópticas, coaxiales y Bluetooth, por lo que es compatible con una amplia gama de fuentes de audio. El dispositivo incluye indicadores de modo de entrada para una fácil selección. Con soporte DSD de alta resolución, ofrece una calidad de sonido excepcional.
Entrada: Bluetooth, USB, óptico, salida coaxial: RCA, salida de auriculares de 3,5 mm, SNR ≥ 103 dB; THD < 0,03%. Fuente de alimentación: 12 V 1.5 A. Códecs Bluetooth: SBC, AAC, aptX, aptX HD, aptX LL
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Preamplificador de tubo/amplificador de auriculares con DAC
La amplificación clásica del tubo ofrece calidez natural y riqueza armónica
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Desbloqueo más detalles
Sonido preciso en un amplio rango de frecuencias
Garantiza una conversión de señal precisa, reduciendo la distorsión y entregando limpio
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Transmisión de audio mejorada con Bluetooth 5.1
Soporta formatos de alta calidad para una experiencia de música estable y sin pérdidas
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Combina clásico con tecnología Morden
Combina la calidez del tubo clásico y la eficiencia moderna en una unidad compacta
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Con retenes centrales
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Socio ideal para V3 en la misma serie y forma
Hemos añadido graves, ajuste de agudos y conectividad Bluetooth para una calidad de sonido excepcional.
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Diseño integrado CNC
Con un diseño minimalista y duradero.
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Con tubos de 5654 W
Tubos compatibles: 6AK5, 6AK5W, 6Zh1P, 6J1, 6J1P, WE-403A, 403B, EF95 y otros tubos de 7 pines.
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Con voltaje de trabajo de 53 V
Elaboración de tonos únicos
Desata el potencial de sus tubos de aspiradora, ofreciendo un sonido más rico y una mayor profundidad tonal.
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Cambia rápidamente
Cambia rápidamente entre 4 modos de entrada digital
Con la configuración se restaura automáticamente al estado anterior al reiniciar.
Usama Zenaty
Comentado en los Estados Unidos el 30 de marzo de 2025
Very good for desktop DAC used with PC for digital music, albite lacks a bit of power for the headphones
Pedro Leguizamón
Comentado en los Estados Unidos el 30 de marzo de 2025
Son muy útililes los controles de graves y agudos, con control de medios sería perfecto
John Romp
Comentado en los Estados Unidos el 8 de febrero de 2025
This is my first venture into HiRes sound and this headphone amp / DAC is fantastic! I am sitting next to the singers! Highly recommended! I have hearing problem and hearing aids are not cutting it for me as there is always sound missing and music I loved just didn’t sound like I remembered it. Now with this amp/dac and HiRes headphones- well I am in heaven listening to music again.
Tom
Comentado en los Estados Unidos el 6 de febrero de 2025
I have no idea how this performs. I tried 2 different units and could not seat the tubes on either one.
Gerardo G.
Comentado en México el 2 de febrero de 2025
Sonido agradable, cálido y claro, poca distorsión.Lo utilizo con unas bocinas amplificadas y les mejora mucho el sonido, con poca distorsión a volumen máximo.
Todd K. Moyer
Comentado en los Estados Unidos el 18 de enero de 2025
It seems like a contradiction, doesn't it? To have Bluetooth connected to a tube amp...If the idea of vacuum tubes with a warm glow and a retro aspect appeals to you, this could be a good choice. Of course, there are a couple tubes in the circuitry, but if you look at the photo of the internal PCBs that I attached to this review (more later on why I did that), you can see plenty of modern SMT integrated circuits. I'm not sure if the entire audio signal path is vacuum tube, but I'm guessing not.Even calling this device a "preamplifier" is probably not accurate, in the sense that you cannot take very small analog signals (phonograph output, a microphone, etc) and boost them to line level.All that being said, again, if you like the idea of tubes, this is an attractive device to sit out for display, and it has a pleasant orange glow emanating from the area where the tubes are (mostly, it is NOT tube filament; it is supplemented heavily by some orange LEDs!).Pros:* sounds good, based on my listening tests* looks good* pretty easy to pair with Bluetooth devicesCons:* I heard hum in my headphones. However, when a song started playing, in the quiet introduction to the song, the hum went away, either completely or almost completely.* The knobs are tiny and difficult to turn, at least if your fingers are as big as mine.* The worst problem: it was VERY difficult for me to install the vacuum tubes. I think they came with bent pins. I tried straightening them, but I was operating blind, essentially, because you can't see down into the socket to evaluate which pin(s) are causing the problem. I tried removing the decorative copper-colored rings to allow me to see better, but that didn't really help (and the rings are quite difficult to remove, and to re-install).Eventually I disassembled the amp so I could see what the installation problem with the tubes was. By doing this, I could see which pins were not perfectly matched to the socket, and after bending a few of them, I was able to install the tubes. Of course THEN I had to pull them back out so I could put the whole thing back together. Afterward, because the pins were now straight, I was able to install the tubes, with some difficulty. This is NOT fun, and you should decide if you're ok with hassling with the tube installation. I think better sockets do exist, which guide even slightly bent pins into the receptacle, but these sockets are not those. You need almost perfectly straight pins, and you need to be perfectly aligned, before you can push the tubes into their sockets.Overall I'm thinking I would regret purchasing this if I had paid the listed price at the time I ordered the amp. However, in the end I have an attractive, good sounding "display piece" that some people may really enjoy using.
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