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RE: You have peaked my interest...

Posted by Ole Lund Christensen (M) on December 16, 2007 at 14:50:26

In Reply to: You have peaked my interest... posted by budget fi on December 16, 2007 at 09:25:54:

I am still in research mode on Onkyo 805 and 705.

The link have a review of 805, giving it reference status in the pricerange. The 705 is only a prereview.
They find 805 better than Marantz SR 8001 and Yamaha RX-V2700

This is a German review, and the bass impact and precision of sound is described as very impressive. It is an outstanding good review.

My old experience with BB and Crystal, is that Crystal sounds sweeter and BB have better impact in the bass, but a bit sandpaper like in the treble. I have tried both in my products.
The Crystal structure was 1 bit (DSD like) and had build in balanced voltage out, the BB was multibit and current out. The current means that BB need more external circuit giving rise to more different sounds.
BB have since changed to making a mixed structure, and so have Crystal.

I have great respect for both BB and Crystal. So I should rephrase it,
with a Crystal DAC there is less design work and parts done by Onkyo.
This is not to critical of Onkyo, who do great job, and in my experience make the best sounding HT receivers.
But both 805 and 705 are limited by their pricepoint, and in both 805 (BB PCM 1796) and 705 (Crystal DCS 4398) the DACs are better than the recievers.

The CS 4398 offers 128 times oversampling, which I have good experience with for CD reproduction. A very smooth and non-mechanical sound.

About DSD

The manual for 805 write, that in all other modes than DSD direct mode, the sound is done in PCM.
The Manual for 705 write that in all modes DSD is done by PCM.

For me this is strange, because the Crystal CS 4398 DAC also can do DSD direct.
In fact it is designed specific for DSD and SACD with patented features.

It could be a printing mistake. I need to check.

It is a small point relevant only for those SACD discs, which are pure DSD recordings. With HDMI the DSD signal can go from the SACD player to the DAC in the Onkyo, and here be converted to analog signals, while staying in the the DSD format all the time.

SONY and some listeners think staying in DSD is very important.

This post is made possible by the generous support of people like you and our sponsors:

Sonic Craft

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