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We’ve just become aware of this review and are in the process of verifying the results with our engineering team. We'll let you know as soon as we hear back.
Siamo appena venuti a conoscenza di questa recensione e stiamo per verificarne i risultati col nostro team tecnico. Ti faremo sapere non appena riceveremo una loro risposta al riguardo.
Io avevo comprato il 4500H su Amazon.de, 1150€ spedito.
Annunciati questi, mi sono messo in contatto con dei venditori e mi è stato proposto il 4700H a 1299€. A leggere però questa recensione è peggio del 3600H, lo sarà anche del 4500H? Quindi sto pensando di riordinare il 4500H e quei 150€ di differenza lo butto su un OLED B9/C9..........[CUT]
Domanda...dove/da chi ti è stato proposto il 4700? Io sarei interessato a quello o il 3700. Grazie!
Sarei interessato anche io
C'è poco da dire: è un palese downgrade
La cosa peggiore è la conferma da parte di Denon
Buongiorno a tutti, ho trovato questa recensione sul web, sono rimasto di stucco, la devo postare e sapere cosa ne pensate...
https://www.audiosciencereview.com/forum/index.php?threads/denon-avr-x4700h-2020-avr-review.14188/
I realized that in my testing I was setting the AVR for 2-channel configuration with Front right and left speakers set to Large, and all other channels configured as "None." The output path form my PC however was 8 channels (...). I had turned off all channels beside left and right assuming that would simulate simple 2 channel playback. Well, turned out this was the problem!
AVRs have channel mapping to deal with configuration differences between input audio streams and playback capability. You may for example use the AVR with just two speakers for living room sound while playing 7.1 channel Blu-ray content. AVR will then use its internal mapping to mix down the high input channel count to stereo. For reasons that are unknown at this point but is being investigated by Denon engineering, when feeding only two channels to AVR but in 8 channel configuration, and the AVR is configured as just Left and Right speakers, the noise level goes up substantially and there is potential for clipping on maximum level signal. The former was responsible for lower performance across many measurements. The latter was responsible for unusually high distortion in multitone test.
Fortunately the fix was simple. I simply turned on all the speakers for 7.1 configuration while still continuing to feed the AVR the same way I was before. With all channels configured, the stereo audio data was no longer changed since no mapping was required and performance shot way up. Since vast majority of you are using AVRs with multiple channels enabled anyway, the issue that caused the problem should not be something you see.
non si tratta di un settaggio semplicemente sbagliato ma di un bug del downmix