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La salida de conector de auriculares de 3,5 mm es anterior, lo que significa que la salida estéreo RCA y XLR se desconectará automáticamente cuando se inserten los auriculares.
Parámetros
Chips: QCC5125 (chip Bluetooth) + CS4344 (chip DAC)
Tubos: 2 unidades de enero de 5725 W.
Entrada de audio: Bluetooth/XLR equilibrado/RCA estéreo
Salida de audio: XLR equilibrado/RCA estéreo / conector de auriculares de 3,5 mm.
Versión de Bluetooth: 5.0 (compatible con LDAC 96 khz/24 bits).
RCA amplitud de salida máxima: 2 V.
BAL amplitud de salida máxima: 4 V.
Potencia de salida de auriculares: 120mW (32Ω)
Rango de impedancia de auriculares: 16-300Ω
Distorsión: 0,05 %
SNR: ≥103 dB.
Voltaje de funcionamiento: CC 12 V.
Sensibilidad de entrada: 1 Vrms
Respuesta de frecuencia: 20Hz-20KHz (±1dB)
Dimensiones (ancho x profundidad x alto): 126 x 167 x 42 mm.
Dimensiones del embalaje (alto x alto x peso): 310 x 240 x 70 mm.
Peso neto: 665 g.
Peso del paquete: 1,0 kg.
Lista de embalaje
1 preamplificador H8.
2 tubos JAN5725W.
1 adaptador de corriente CC de 12 V.
1 antena Bluetooth.
1 mando a distancia.
Le Roi
Comentado en los Estados Unidos el 26 de octubre de 2024
The preamp sounds fine. Good, in fact. The remote is convenient. The rca connect requires finding the perfect match. I would not use this as a headphone amp. It is ingenuous and thoughtfully designed and very adequate in sound quality for the price.
Vincent Cutrer
Comentado en los Estados Unidos el 29 de septiembre de 2024
Music sounds great through this. Have a geshelli J2 DAC going to this preamp and this gives just a touch of needed warmth to the sound.The only complaint I have with this preamp is the remote. The remote doesn't work all the time, even at a close range. Not sure if I got a faulty remote or not, but I would still recommend this preamp because it sounds great.
Erik
Comentado en los Estados Unidos el 6 de agosto de 2023
Yes! The perfect solution to amplify my pathetically weak BenQ projector's audio signal enough to adequately drive my powered monitors/speakers and provide a platform to play music through my iPhone via Bluetooth through said monitors eliminating the mish-mash of audio devices I had going on in my living room. I haven't used the XLR inputs and might never but the RCA and Bluetooth channels work perfectly on this little unit. The remote is straight-forward easy to use. The only thing I don’t like about it is even when it’s off Bluetooth devices connect to it. I’m sitting here wondering why there’s no sound on my iPhone and it’s because it’s connected to the preamp but the preamp is off. Fix that and you get five stars.
Dante Kanki
Comentado en los Estados Unidos el 6 de octubre de 2023
I was a bit skeptical purchasing the Douk H8, but I've decided giving it a try. What a surprise!!! I needed a preamp with XLR connections and I was using the Topping Pre-90 preamp, which is an excellent product, super neutral, quiet, good imaging.I'm using it connected to Denafrips Pontus II DAC and to Starkrimson Ultra amp.Douk H8 came with the tubes JAN5725W. Sound is okay, warm, but after switching with JAN5654W, I got a good sound improvement in terms of precision particularly on high frequencies.The remote controller looks cheap, but it is functional with volume control, tone, equalization and loudness controls. I can point it to any direction in my room, and it works fine, which is not true with the remote controller that comes with Topping Pre-90.In that price range, there is nothing that can beat the H8. Warm and detailed sound, quiet and neutral. So far I've not found anything bad on it.Chinese audio related equipment companies have improved a lot lately!!There is only one thing that bothered me when I opened the box. I could hear something loose inside the preamp. It was a small screw that probably the assembler dropped inside.Product is working perfectly!Thanks to Douk for the excellent product.
keith
Comentado en los Estados Unidos el 16 de octubre de 2023
This is a great product at a great price. It’s solid. I’m a professional musician and know good sound. This piece allows me to stream music to it, warm up the sound with tubes, use tone control and volume via remote, and output balanced xlr to my Crown power amp and Martin Logan electro stats. It’s sonic bliss at a crazy low price. Using the 5654 tubes. Highly recommend.
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