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Pioneer VSX1020 like TGM1 ?
Pioneer VSX1020 like TGM1 ?
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Old 19th January 2013, 10:41 AM   #11
kad is offline kad  Canada
Join Date: Jan 2013
Default Pioneer is using ICEpower Class D amplifier technology

Originally Posted by Bigun View Post
I'm waiting for the big win my friend !

But I don't think Class AB is the way of the future. I am sad, but I believe it is a dead technology. It does not mean we can't enjoy making Class AB amplifiers, I enjoy it a lot, but Class D is the proper way, in my view.
Please forgive my intrusion, but I must confess I am partial to Pioneer Electronics.

The Pioneer VSX-1020-K listed at $549 on Pioneer's website can be found for less than $300 on Amazon.

For the price, it is an amazing receiver, and the sound quality is right up there.

To find out more about Pioneer's Direct Energy amplification:
Click the image to open in full size.

Click the image to open in full size.

Personally, I really like the sound, performance quality and reliability of Pioneer. I still have a Pioneer SX-1250 from 1974 receiver driving the left and right main bass Pioneer HPM-150 speakers from 1976. I'm using bi-amp on those.

Wiki on ICEpower:
Click the image to open in full size.

The class D3 amplifier in the Pioneer Elite SC-65 apparently uses little or no feedback at all, with great linearity and efficiency. Music to my ears!

Click the image to open in full size.

Now from a DIY technical perspective, I'd like to understand more what this D3 class amplifier is all about?

The trouble with our times is that the future is not what it used to be.
~ Paul Valéry

Price is what you pay. Value is what you get.
~ Warren Buffett
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Old 19th January 2013, 02:17 PM   #12
Bigun is offline Bigun  Canada
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Location: Waterloo, ON or Herefordshire
Pioneer VSX1020 like TGM1 ?
I'm going to be turning the 7 channel amplifier pcb + heatsink into a new amplifier for my HT system so I'll get the 'sound' but not all the benefits of the rest of the circuitry. I could easily buy a new one I suppose, but then where's the fun in that ? - besides, if I do buy one it will be their new Class D receiver. I saw one at The Future Shop. I think Class D is the ideal approach for home theatre where it's necessary to put a lot of power into a relatively small space. It would be interesting to hear it.

To find out more about their D3 design it would be nice to have access to a Service Manual. Looking at the design of their Class AB amp I can say that I have a great deal of respect for their design talent.
"The test of the machine is the satisfaction it gives you. There isn't any other test. If the machine produces tranquility it's right. If it disturbs you it's wrong until either the machine or your mind is changed." Robert M Pirsig.
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