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Class D Switching Power Amplifiers and Power D/A conversion

cheap IRS2092 or expensive (Anaview AMS1000 / Hypex NC400)
cheap IRS2092 or expensive (Anaview AMS1000 / Hypex NC400)
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Old 16th January 2015, 04:25 PM   #21
Julf is offline Julf  Europe
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Originally Posted by Sebollo001 View Post
I think you made a very wise choice! Those modules have a very high spec and price/performance ratio.
And specs don't tell everything... there has been a serious comparison of these little modules against the famous Ncore NC400, and guess which was the preference? In any case, they seem to be some of the top performers currently available.
The latest HiFi News has a test of the PS Audio Sprout that uses the Anaview ALC0100-2300, they were not convinced by the sound (especially the bass), and the measurements showed uneven frequency response and a very bad SNR.
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Old 16th January 2015, 05:50 PM   #22
Sebollo001 is offline Sebollo001  Argentina
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Originally Posted by kuribo View Post
Serious comparison? Do tell....
I consider Srajan Ebaen a reviewer with some very serious hifi/audiophile experience.

As for professional audio, reviewer David Johansen of Lydspesialisten Norway has also a lot of experience with many amps (including Hypec NC400) and professional speakers.

Google is your friend...
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Old 16th January 2015, 07:54 PM   #23
Sebollo001 is offline Sebollo001  Argentina
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Originally Posted by Julf View Post
The latest HiFi News has a test of the PS Audio Sprout that uses the Anaview ALC0100-2300, they were not convinced by the sound (especially the bass), and the measurements showed uneven frequency response and a very bad SNR.
The ALC0100-2300 does not belong to the latest Anaview AMS generation of power modules, is older technology, like hypex UcD. Currently there are only two AMS offerings, AMS100 and AMS1000.
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Old 16th January 2015, 08:11 PM   #24
kuribo is offline kuribo
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Originally Posted by Sebollo001 View Post
I consider Srajan Ebaen a reviewer with some very serious hifi/audiophile experience.

As for professional audio, reviewer David Johansen of Lydspesialisten Norway has also a lot of experience with many amps (including Hypec NC400) and professional speakers.

Google is your friend...
I can find no "serious comparison" between ncore and the newer Anaview from Srajan Ebaen. Perhaps you would be so kind as to share the link?
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Old 17th January 2015, 12:59 PM   #25
Julf is offline Julf  Europe
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Originally Posted by Sebollo001 View Post
The ALC0100-2300 does not belong to the latest Anaview AMS generation of power modules, is older technology, like hypex UcD. Currently there are only two AMS offerings, AMS100 and AMS1000.
In that case it is interesting that PS Audio uses the older module in a totally new design.
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Old 17th January 2015, 01:09 PM   #26
Sebollo001 is offline Sebollo001  Argentina
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Originally Posted by Julf View Post
In that case it is interesting that PS Audio uses the older module in a totally new design.
I don't think the module is discontinued, but it certainly does not use the latest and finest Anaview technology. The following is a summary description of the available technologies, from Anaview web site:

ALC SERIES
The ALC amplifier line offers our widest power range and has been in production for four years with more than 2 million channels of its patented technology in use. Great sounding and cost effective.

AMS SERIES
Our premium and newest line of amplifier modules is based on our patented AMS architecture where nonlinearities are corrected. The AMS modules also contain auto ranging universal mains and extensive diagnostics.

Even though comercial AMS modules are rather new, with the first modules AMS100 and AMS1000 being available from Q1-2014, it was first implemented in Marten m.Amp 45K USD statement monoblock amplifiers several years ago.
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Old 17th January 2015, 01:27 PM   #27
kuribo is offline kuribo
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Does the Marten amp use the AMS module, or is the commercially available AMS module based on work done for the Marten amp?
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Old 17th January 2015, 01:55 PM   #28
Sebollo001 is offline Sebollo001  Argentina
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Originally Posted by kuribo View Post
Does the Marten amp use the AMS module, or is the commercially available AMS module based on work done for the Marten amp?
AFAIK, Patrik Bostrom designed the modules specifically for the Marten m.amp. This seems to be the first implementation of the AMS technology.

It is very possible that the Adaptive Modulation Servo is the same than in the new commercially available modules AMS100 and AMS1000.

However, Patrik may have further optimized the technology, I don't know. Component wise it seems to be a very efficient and simple design, similar to what Bruno does with his designs.

Maybe Patrik/PABO, as can add some comments on this...
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Old 17th January 2015, 02:31 PM   #29
kuribo is offline kuribo
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So what is in the Marten amp may only be a module using the same topology as the AMS1000 in much the way the nc400 and nc1200 share the same design (but apparently, not the same sound....)....
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Old 17th January 2015, 03:27 PM   #30
Sebollo001 is offline Sebollo001  Argentina
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Originally Posted by kuribo View Post
So what is in the Marten amp may only be a module using the same topology as the AMS1000 in much the way the nc400 and nc1200 share the same design (but apparently, not the same sound....)....
Right!

However there are some difference if you point to an analogy with Hypex...

1 - NC400 and NC1200 belong to the same generation. There design differences were planned based on several factors, all at the same time.

2 - Anaview/Marten power modules are at least three years older than current AMS modules. In this time, the designer could have slightly refined the technology, but not enough to patent a complete new generation.

Also, the Anaview/Marten power modules do not include the switching power supply. After this design, however, Patrick partnered with Abletec, who is by no coincidence a high performance switching power suppply designer.
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