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Class D Switching Power Amplifiers and Power D/A conversion

The New Hypex Fusion Plate amps
The New Hypex Fusion Plate amps
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Old 1st June 2017, 05:37 AM   #461
Kjeldsen is offline Kjeldsen  Denmark
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Old 2nd June 2017, 09:26 AM   #462
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The New Hypex Fusion Plate amps
OT posts deleted. Another reminder to please keep the discussion on topic.
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Old 14th August 2017, 07:56 PM   #463
DcibeL is offline DcibeL  Canada
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Does anyone have the inside scoop on the Hypex Fusion? Just wondering if these are still slated for release in Q3/Q4 2017 ?

From the photos I've seen it also looks like these plates require a rear chamber to isolate them from the speaker? There appear to be vent holes top and bottom of the plate.
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Old 27th August 2017, 11:08 PM   #464
SunShade is offline SunShade  Italy
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Default Fusion amps / adau1701

ADAU1701
2 ADCs: SNR of 100 dB, THD + N of −83 dB
4 DACs: SNR of 104 dB, THD + N of −90 dB
Not exactly audiophile performance....
Why have they chosen such a chip, maybe because there is no sw to develop? Sigma Studio is also available for SHARC..
And, the ADAU1701 is not even listed anymore on the Analog Devices SigmaDSP audio processors webpage.
Are they making the same mistake they did with the TI chip they are using on the DLCP?
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Old 28th August 2017, 07:39 AM   #465
ds23man is offline ds23man  Netherlands
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The 1701 was dropped.
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Old 20th September 2017, 07:50 PM   #466
pieter t is offline pieter t  Netherlands
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From Hypex website:

The anticipation for our new Fusion-Amps rises every week, often we get questions about them. It seems like all the enthusiasts can’t wait for the release of this new plate amplifier range, including ourselves. In our earlier communications we announced the launch of the new Fusion-Amp range in the third quarter of 2017 but we need to postpone the launch to the first quarter of 2018.

Last edited by pieter t; 20th September 2017 at 08:10 PM.
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Old 21st September 2017, 06:23 PM   #467
Cal Weldon is offline Cal Weldon  Canada
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The New Hypex Fusion Plate amps

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Old 24th September 2017, 08:44 PM   #468
Reactance is offline Reactance  South Africa
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Quote:
Originally Posted by SunShade View Post
ADAU1701
2 ADCs: SNR of 100 dB, THD + N of −83 dB
4 DACs: SNR of 104 dB, THD + N of −90 dB
Not exactly audiophile performance....
Why have they chosen such a chip, maybe because there is no sw to develop? Sigma Studio is also available for SHARC..
And, the ADAU1701 is not even listed anymore on the Analog Devices SigmaDSP audio processors webpage.
Are they making the same mistake they did with the TI chip they are using on the DLCP?
Although true, the cost of a SHARC processor is 4 times more and requires even more sub circuits to make it function, economically the ADAU1701 was perfect at the time.

Also, the ADAU1701 is still available. In fact we are doing research round this chip for a sub-woofer processor application which the chip in question is still
very relevant.
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Old 24th September 2017, 08:54 PM   #469
pieter t is offline pieter t  Netherlands
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Check post #465 (ds23man is close to the source...).
Maybe introduction is postponed because of a redesign.
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Old 25th September 2017, 07:58 AM   #470
ds23man is offline ds23man  Netherlands
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Chip specifications:

DSP: ADAU1450 using external ADC en DAC

ADC: 192kHz 24-Bit Enhanced Dual Bit ADC

SRC: AES/EBU –S/PDIF 192kHz 24-Bit

DAC: AK4454 768kHz 32-Bit
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