TSS Two Chassis Super DAC

I’ve had the pleasure of meeting Sharyl (Ted’s lovely wife) at a few shows. He is indeed a lucky fellow. :slightly_smiling_face: The two of them make a great team!

Man…that has always been my way too Ted…but for some reason or another…I always ended up in the doghouse. :stuck_out_tongue_winking_eye:


Ted,
My Christmas Elf of over 30 years loves Snowmass. He permanently sits next to the DAC. I posted him earlier (4/2) as a tip of the hat to your grandchildren. Ron W has written that his coat is the wrong color; I agree. I am looking for some red felt. But now that I have seen the fabric your wife used for your shirt, I would like to obtain a small amount for him. Can you tell me where I can obtain some? Thank you, Chas

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:grinning: I’m pretty sure that my wife used the scraps for other such trinkets around the house.

Search for “big bang theory math cat” by Camelot Fabric. Fabric.com
carries it.

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Ted,
Beautiful, I was able to order 1/2 yard at Fabric.com. I hope to sew up a vest, jacket combo for Christmas.
Will the next Snowmass update be ready by then? :wink:
Chas

Argh. I recognize that as the fake news Schrödinger cat equation. The real Schrödinger cat equation looks more like this:

45

It pretty clearly says that the cat is 1/2 alive and 1/2 dead. (You need to square the amplitudes to get the probabilities)
E.g. https://physics.stackexchange.com/questions/72328/bra-ket-notation-schrödingers-cat-intepretation
(If you were joking, I’m a little humor impaired. And the formula is a nerd joke anyway, but I like the different symmetries.)

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Yeah, I was joking. I was surprised the dentist knew what it was.

She’s a good dentist :slight_smile: I was pretty sure she’d get it. I don’t think I’ve run across anyone except for my wife and my dentist that knew what it was at first sight, tho a few got it as soon as I started saying “Schr…”

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I would have thought the Heisenburg cat uncertainty principle would have been more relevant in determining whether one’s cat was more likely to be fully dead, fully not dead, or somewhere in between.

Good job we’re only talking about cats! Think what trouble we’d be in if Scrodinger had talk about lions, or hedgehogs or other rare animals…

How is this coming along Ted?

There sure are a lot of things to work on. A couple of weird things that each take weeks to push thru eat a bunch of time. I’ve been working on the new software as well to fill in the gaps, mostly working on faster filtering. (I’ve figured out a way of getting better filters back into the DS and the Jr as well.) It’s great to be listening with no clicks and pops and to be able to pull the optical cable or power off either device and have them resync in a few seconds when reconnected or powered back on with no issues either way. I’m not afraid of leaving the volume up when doing these things now.

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Great to read again about further future improvements for DS sr./jr.!

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I’m looking forward to writing it, but only if I don’t think of a way to get a bigger improvement in sound quality.

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Thank you for all of your hard work Ted!

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This description of MSB Technology’s new Pro USB/ISL interface modules may provide ideas and inspiration for Ted’s upcoming two-box super DAC:

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Mate I think we’re a bit far down the development path for that :slight_smile:

Edit:

That said, what MSB is doing can be compared directly to what Ted has described. The key similarities are that the DAC’s own clock is driving the data transfer (eliminates PLL-related jitter) and they’re doing it over optical (eliminates conducted / induced electrical noise). Big differences include that the TSS will be sending upsampled/digitally-attenuated/re-modulated DSD data over the fibre, the TSS can work with any digital source (not just USB), TSS is using rugged and inexpensive plastic fibre (don’t worry it’s perfect for the job). The TSS has almost no computation on the downstream side of the fibre so there will be less local noise and jitter to be concerned about in crucial place where the actual D-to-A conversion is occurring.

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Some more catnip for Schrödinger’s cat to chew on:

how does it connect to the DSD, is it USB ?