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xcortes · 189250

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Offline John Swenson

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Reply #60 on: May 07, 2013, 11:06:42 AM
Yes, the USB input is asynchronous UAC2.

S/PDIF coax and USB will handle 44.1, 48, 88.2, 96, 176.4 and 192.

The S/PDIF optical input will just barely have enough bandwidth to handle 192. Not all sources will transmit 192 over optical, so it's more a case of what the source will transmit. The cable is also important here, since 192 over optical is right on the edge of what's doable a not so good cable can muck it up. (do NOT ask me for a list of cables that work, I do not have such a list)

I'm designing the USB input to handle 8 channels, but the hardware and firmware to couple multiple DAC boxes together will not be available at first, it's going to take some time to get that ready.


John S.

John Swenson
DAC designer
Well Tempered Record player -> Seduction
Moded Squeezebox->DIY DAC
BDT preamp->813 monster SE amp
DIY "Bazooka" Lowther speakers


Offline FraGGleR

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Reply #61 on: May 07, 2013, 02:30:01 PM
This has gotten me dreaming about a stupidly expensive (for me), but magically delicious dream set up of Bottlehead DAC feeding a Mainline, a BeePre, and a pair of Paramounts feeding my HD800s and some Blumenstein Orcas.

A whole lot of wood, tubes, and point to point wiring.
« Last Edit: May 08, 2013, 06:01:14 AM by FraGGleR »

Resonessence Concero -> Bottlehead S.E.X. 2.1 -> HD800


Offline Doc B.

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Reply #62 on: May 07, 2013, 03:02:11 PM
Order it all at once and I'll cut you a heckuva deal! ;)

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.


Offline wc

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Reply #63 on: May 07, 2013, 05:48:50 PM
This all sounds pretty cool. I guess you won't know much the DAC kit will cost until you are done prototyping and have a kit ready to go.



Offline FraGGleR

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Reply #64 on: May 08, 2013, 06:02:31 AM
Order it all at once and I'll cut you a heckuva deal! ;)

If things go well for me the rest of the year, you might get that order   ;D

Resonessence Concero -> Bottlehead S.E.X. 2.1 -> HD800


Offline Doc B.

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Reply #65 on: May 08, 2013, 07:24:54 AM
This all sounds pretty cool. I guess you won't know much the DAC kit will cost until you are done prototyping and have a kit ready to go.

Yes, we need to get the next iteration done before we can figure out pricing, because it is enough different than the current one that some component prices are very different - hopefully in the right direction, i.e., less expensive.

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.


Offline denti alligator

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Reply #66 on: May 08, 2013, 11:40:10 AM
I don't think anyone dares ask at this point, but hell, why not: Doc, if you could give a realistic estimate on this being done (with price and order page up) what would you say?

- Sam

Rega P3-24 (w/AT 150MLX) w/Groovetracer upgrades / Eros II / FLAC >J.River >DSD256 >Gustard X20 / Moreplay > Stereomour II / Klipsch Forte II w/Crites upgrades / C4S S.E.X. 2.0 +Nickel MQ Iron / Speedball Crack / Sennheiser HD600 w/Cardas cable


Offline Doc B.

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Reply #67 on: May 08, 2013, 02:40:36 PM
Sometime in summer, if I had my way.

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.


Offline Gerry E.

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Reply #68 on: May 08, 2013, 02:42:18 PM
Any chance of the DAC having volume control so that it could be run directly into an amp?  With the recent introduction of the BeePre and Submissive, I'm guessing the answer is no, but maybe this is one of the surprises?  Thanks.

Gerry       



Offline BNAL

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Reply #69 on: May 08, 2013, 02:55:38 PM
Bottlehead has the new passive volume control called the Submissive that should fit the bill.

Brad Nalitt
Iron Upgraded S.E.X. Amp 2.0
Foreplay III
Quickie w/PJCCS
Eros Phono
Blumenstein Orca Speakers, Baby Benthic Subs
S.E.X.y Speakers W/FT17H Horn Tweeters
Thorens TD 125 MkII W/ Shure M97xE JICO SAS Stylus


Offline Doc B.

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Reply #70 on: May 08, 2013, 06:25:10 PM
Yes, Brad has it right. Submissive would be the volume control you are looking for.

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.


Offline mSummers

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Reply #71 on: May 12, 2013, 04:34:40 AM
Due to my lack of knowledge, I'm going to ask a stupid question.  Is the Submissive required between the DAC and all amps, or can you leave it out if the amp has its own volume control? 

Specifically, I am interested in getting the DAC and Crack for use at my office.

- Michael


Offline BNAL

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Reply #72 on: May 12, 2013, 05:40:32 AM
mSummers,

You will be able to use the DAC directly into the Crack.

Brad Nalitt
Iron Upgraded S.E.X. Amp 2.0
Foreplay III
Quickie w/PJCCS
Eros Phono
Blumenstein Orca Speakers, Baby Benthic Subs
S.E.X.y Speakers W/FT17H Horn Tweeters
Thorens TD 125 MkII W/ Shure M97xE JICO SAS Stylus


Offline mSummers

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Reply #73 on: May 12, 2013, 02:55:13 PM
Thanks, Brad!  I was hoping that was the case.

- Michael


Offline denti alligator

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Reply #74 on: May 23, 2013, 10:03:20 AM
Any update? How's this looking?

- Sam

Rega P3-24 (w/AT 150MLX) w/Groovetracer upgrades / Eros II / FLAC >J.River >DSD256 >Gustard X20 / Moreplay > Stereomour II / Klipsch Forte II w/Crites upgrades / C4S S.E.X. 2.0 +Nickel MQ Iron / Speedball Crack / Sennheiser HD600 w/Cardas cable