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PostPosted: Mon Jan 09, 2017 11:28 am 
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I had a 2009 Bel Canto integrated that was horrible with everything but mid-bass. It turned me off of class D until I heard Hypex modules. Maybe the product has improved but I'm not willing to drop the $$$ to find out.


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PostPosted: Mon Jan 09, 2017 11:47 am 
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I heard the early generation Bel Canto Ref monoblocks and I found they sounded kinda "flat".


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PostPosted: Mon Jan 09, 2017 12:02 pm 
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dmitchell wrote:
I heard the early generation Bel Canto Ref monoblocks and I found they sounded kinda "flat".


Most early generation class D amps were flat ! Even Spectron's first products. The size for the power and low consumption were mesmerizing though ! Spectrons Musician III are not the same beast with simple cabinets weighing 52 lbs filled up with caps and a power transformer. Not exactly the same kinda unit and not at all the same sound performance than what is actually perceived as a Class D amp. But still relatively unknown in Canada ! Of course, being sold direct by the manufacturer for the last 5 yrs, Spectron doesn't get any reviews of the so called Audio magazines. They would probably get more attention if they were built in a large size cabinet with a 2 inches polished steel faceplate with handles and heatsinks à la Plinius while paying for advertisement in Stereophile!

Audio remains a very traditional and conservative world.


Last edited by amarquis on Mon Jan 09, 2017 12:07 pm, edited 1 time in total.

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PostPosted: Mon Jan 09, 2017 12:06 pm 
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Location: Burlington, ON, CA
I have played a ton with digital amps of various kinds, and mostly for full range playback of audio in 2 channel.

Past examples I have owned include:

JVC hybrid digital receiver (still own the EX-A1 in a small living room setup)
Panasonic digital receiver (the SAXR series)
Sharp 1 bit receiver
Teac Tripath 3 channel amp
Crown XLS 1500 2 channel amp

Past examples I have heard at my place:

B&O icepower DIY
Class D (the brand that sells DIY modules)

I would say that in the past 4-5 years they have really turned a corner and are a great alternative these days.

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PostPosted: Mon Jan 09, 2017 12:28 pm 
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Location: Ontario, ON, CA
Does anyone have any experience with the Anthem M1 monoblocks at 1000wpc? I believe they are class D also.
Just curious.


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PostPosted: Mon Jan 09, 2017 1:21 pm 
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wtf22 wrote:
Does anyone have any experience with the Anthem M1 monoblocks at 1000wpc? I believe they are class D also.
Just curious.

No experience...but at that size and 1000watts I sure hope they are class d!
:lol:
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PostPosted: Mon Jan 09, 2017 1:56 pm 
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Location: Chilliwack, BC, CA
Crosscut100 wrote:
darcman wrote:
Crosscut100 wrote:
They simply don't make class D tube amps.


Check out Orion Audio for their hybrid class D tube amps

I was only speaking to the amp side as a stand alone not an integrated amp.


Am I misunderstanding you, the Orion hybrid are not integrated.


There is probably more brands but from my research the Nord and the D Sonic seem to be some of the better class D offerings
and the Acoustic Imagery Atsah 500 monoblock look interesting. The new Red Dragon pascal class d look nice too.


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PostPosted: Mon Jan 09, 2017 4:13 pm 
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amarquis wrote:
dmitchell wrote:
I heard the early generation Bel Canto Ref monoblocks and I found they sounded kinda "flat".


Most early generation class D amps were flat ! Even Spectron's first products. The size for the power and low consumption were mesmerizing though ! Spectrons Musician III are not the same beast with simple cabinets weighing 52 lbs filled up with caps and a power transformer. Not exactly the same kinda unit and not at all the same sound performance than what is actually perceived as a Class D amp. But still relatively unknown in Canada ! Of course, being sold direct by the manufacturer for the last 5 yrs, Spectron doesn't get any reviews of the so called Audio magazines. They would probably get more attention if they were built in a large size cabinet with a 2 inches polished steel faceplate with handles and heatsinks à la Plinius while paying for advertisement in Stereophile!

Audio remains a very traditional and conservative world.



Very unfortunate that Spectron is not a main stream brand name which most haven't heard of.
At the same time if Spectron was rep by dealers the price will be more than double.
I own 4 Spectron Musician III MKII fitted with the Bybee and V-Caps option for the past 8 years and every buyer who listened to my 2 channel never knew that they were listening to class d amps.
I can tell you this that I am a planar devotee for more than 30 years and Spectrons are my favorite playing planars.

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PostPosted: Mon Jan 09, 2017 4:51 pm 
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Location: Kanata, ON, CA
I sold my Jeff Rowland A/Bs and moved to Spectrons. Never regretted it.


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PostPosted: Mon Jan 09, 2017 5:45 pm 
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As with anything, it's all in the design, and the power supply.
A bad design will yield bad results.
People get obsessed with the wattage and think that more is better.

-- Mon Jan 09, 2017 8:46 pm --

Bob0398 wrote:
I sold my Jeff Rowland A/Bs and moved to Spectrons. Never regretted it.


Those Spectrons have FANTASTIC power supply sections.

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PostPosted: Mon Jan 09, 2017 6:41 pm 
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cableguy wrote:
As with anything, it's all in the design, and the power supply.
A bad design will yield bad results.
People get obsessed with the wattage and think that more is better.

-- Mon Jan 09, 2017 8:46 pm --

Bob0398 wrote:
I sold my Jeff Rowland A/Bs and moved to Spectrons. Never regretted it.


Those Spectrons have FANTASTIC power supply sections.



Here is a picture:


Attachments:
IMG_4775.JPG
IMG_4775.JPG [ 295.72 KiB | Viewed 836 times ]

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PostPosted: Mon Jan 09, 2017 6:54 pm 
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Location: hawkesbury, ON, CA
I was told by a technician, that class D when they blow up , they are very hard to get part , and cost just as much as buying a new amp. for sound I have heard very good and also very bad. but they are definitely getting better. one thing is for sure , right now every company are working on a class D secretly or not. they all have to get on that bnand wagon, because . when you look inside, most have almost nothing except power supply. so they most cost next to nothing to build. so for sure if everybody sell class D amp at a fraction of the cost. they will have NO other choice to build one to compete.


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PostPosted: Tue Jan 17, 2017 7:32 am 
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Location: Markham, ON, CA
PS Audio appears to now produced mono class D.

http://www.psaudio.com/stellar-m700-mono-amplifier/

I really would like to test a few pairs in my system. I hope most of you will not pass judgement without listening.
Keep an open mind we are headed to the future.

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PostPosted: Tue Jan 17, 2017 8:33 am 
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Location: dundas, ON, CA
terryakhan wrote:
cableguy wrote:
As with anything, it's all in the design, and the power supply.
A bad design will yield bad results.
People get obsessed with the wattage and think that more is better.

-- Mon Jan 09, 2017 8:46 pm --

Bob0398 wrote:
I sold my Jeff Rowland A/Bs and moved to Spectrons. Never regretted it.


Those Spectrons have FANTASTIC power supply sections.



Here is a picture:

Class D amps just sound flat to my ears, sand makes sense tubes make music.


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PostPosted: Tue Jan 17, 2017 10:14 pm 
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Location: Saskatoon, SK, CA
It's because Class D has been saddled with stereotypical response that using switching power supplies would get. Switching power is lousy for audio. Class D using a Toroidal with an aluminum chassis is gonzo. As good as it gets for solid state imho.


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