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Sky Soundbox - Initial review
#1
I was very surprised by this!  In particular, it has class D amplification. No ADH!? Huh  Confused


https://www.whathifi.com/sky/soundbox/re...e=20171006
1000 Pro - KEF Blade - microRendu - Mutec MC3+USB - Pro-Ject Signature 12
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#2
(07-Oct-2017, 13:29)Confused Wrote: I was very surprised by this!  In particular, it has class D amplification. No ADH!? Huh  Confused


https://www.whathifi.com/sky/soundbox/re...e=20171006

Gosh that it really surprising... and disappointing too I guess!

Guillaume
Industry disclosure: UK distributor for Shunyata Research

O d'A no.63, Absolare Integrated Signature, totaldac d1 server with additional external power supply, totaldac d1-six, Wilson Audio Sasha 2, Transparent Ref XL digital cables, Transparent XL Gen 5 speaker cables, Ansuz Diamond Darkz, Shunyata mains cable prototypes, Shunyata Denali D6000/S, Shunyata Venom RCA, Audioquest Diamond Ethernet, Various Entreq ground boxes and cables, AQVOX Audiophile High-End Network Switch, sonicTransporter w/ 1TB SSD & MCRU LPS
UK
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#3
It’s definitely surprising.

On the other hand, we might feel a bit short changed if adh was suddenly available for £250, rather than the many thousands that most current owners paid.
Roon/AIR - Dev 250 Pro - Shahinian Obelisk II
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#4
Where on the review did you see that it is class D?

That would be very surprising to me given the fact that Devialet invested a lot into putting the entire magic Wire and ADH technology into an ASIC, therefore enabling Devialet to embed their core technology easily.

As for being jealous of or put off by having ADH technology at the price of the Skybox, I’m not sure it is justified. I was being told one day that the complexity and difficulties of designing an amplifier were more of less following the square of the power you were handling. If you add the fact that experts have a lot more than their DAC/ADH part (phono stage, ADCs, etc) or the phantoms have very unique transducers, I don’t think that the pricing positioning is that outrageousSmile
MacBookPro -> Air -> WiFi -> PLC -> Ethernet -> Devialet 220pro (upgraded from 120) -> AperturA Armonia
France
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#5
Expand the features bit.

"But it doesn’t go as far as utilizing its ADHV2 amplification tech, which combines Class A and Class D amplification - instead the Soundbox has Class D amplifiers"

My guess is thermal reasons, or the review is wrong.
Air 3, Rega P9 with Dynavector XX2Mk2 > 440 Pro > Sonus Faber Guarneri Evolution
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#6
It wouldn't entirely surprise me if this unit didn't have ADH; in a sound-bar at this price the transducers probably have high enough inherent distortion that the subtlety of a class A amp would be lost on them.  Instead I expect that Devialet's "magic" here is in DSP, derived from SAM, to compensate for the deficiencies of the transducers and make them sound better than they really are.

To me this doesn't seem to be a very ground-breaking product, but rather catching up with things like Sonos' Soundbar.  That said, I can see why Devialet would want to do it, as it should certainly get their branding in front of a huge number of new customers.
Wilson Benesch Full Circle, Sonos ZP90 (Cullen modified), Devialet 440 Pro, Kaiser Chiara
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#7
(08-Oct-2017, 11:16)thumb5 Wrote: It wouldn't entirely surprise me if this unit didn't have ADH; in a sound-bar at this price the transducers probably have high enough inherent distortion that the subtlety of a class A amp would be lost on them.  Instead I expect that Devialet's "magic" here is in DSP, derived from SAM, to compensate for the deficiencies of the transducers and make them sound better than they really are.

To me this doesn't seem to be a very ground-breaking product, but rather catching up with things like Sonos' Soundbar.  That said, I can see why Devialet would want to do it, as it should certainly get their branding in front of a huge number of new customers.

...and allow Sky to benefit from Devialet's repution as high-end innovators!
Devialet 250 Pro. Martin Logan Spire. Michell Gyrodec, Melco N1ZH
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