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Old 16th January 2015, 05:52 AM   #31
spzzzzkt is offline spzzzzkt  Australia
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Join Date: May 2005
Location: Melbourne
More alternatives...

Nuvotem - Talema
Open toroids sold by Digikey. RS Electronics (not Rad*o Sh*ck) sell the PCB mount versions.

Open toroid:
62020 - 2x7AC 5VA - http://www.digikey.com/product-detai...108-ND/3881389
62030 - 2x7AC 7VA - http://www.digikey.com/product-detai...059-ND/3881371
62040 - 2x7AC 10VA - http://www.digikey.com/product-detai...058-ND/3881370

Encapsulated PCB mount:
70020K 2x7AC 5VA
70030K 2x7AC 7VA
70040K 2 x7AC 10VA

Last edited by spzzzzkt; 16th January 2015 at 05:56 AM.
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Old 16th January 2015, 06:21 AM   #32
rredline is offline rredline  Singapore
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Join Date: Oct 2004
Quote:
Originally Posted by spzzzzkt View Post
More alternatives...

Nuvotem - Talema
Open toroids sold by Digikey. RS Electronics (not Rad*o Sh*ck) sell the PCB mount versions.

Open toroid:
62020 - 2x7AC 5VA - http://www.digikey.com/product-detai...108-ND/3881389
62030 - 2x7AC 7VA - http://www.digikey.com/product-detai...059-ND/3881371
62040 - 2x7AC 10VA - http://www.digikey.com/product-detai...058-ND/3881370

Encapsulated PCB mount:
70020K 2x7AC 5VA
70030K 2x7AC 7VA
70040K 2 x7AC 10VA
Thanks. That's certainly a useful piece of info.
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Old 16th January 2015, 07:44 AM   #33
spzzzzkt is offline spzzzzkt  Australia
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Join Date: May 2005
Location: Melbourne
The footprint for the XLR jacks matches Neutrik NC3M**H jacks:

A- Series: "The `State of the Art` receptacle. Round plastic body XLR pcb mount panel connector. These have the smallest size and highest packing density (23mm between centres). New designed tulip type female contact on 3 pin versions and fork type on 4 and 5 pole female connectors with hard gold plating and polished contact areas."

NC3MAH

----

AA-Series: "New most cost-effective round plastic body XLR PCB mount panel connector. Front panel cutout and pcb layout 100% compatible to A series. New "tulip" type contact design with high contact pressure for highest durability."

NC3MAAH

----

B-Series: "Same as A series with exception of a metal mounting flange featuring continuous circumferential ground contact to chassis for best EMC practice. Available as 3 pole female and male connectors including a special version with 8 ground contacts (-E) for best conductivity of mating shell to ground."

NC3MBH
NC3MBH-B
NC3MBH-E

----

You can always wire from the board to panel mount XLR if you prefer.

Last edited by spzzzzkt; 16th January 2015 at 07:47 AM.
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Old 16th January 2015, 08:15 AM   #34
leehan is offline leehan  United Kingdom
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Join Date: Jun 2010
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Quote:
Originally Posted by spzzzzkt View Post
The 2x7AC 5VA is also available from a UK based seller on eBay (more than 10 in stock)
MCFM50 07 Multicomp Mini Toroidal 5VA 2X 7V | eBay
Also in the UK: MCFM50/07 Says "short lead time", arrived in 2 days.
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Old 16th January 2015, 10:24 AM   #35
spzzzzkt is offline spzzzzkt  Australia
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Quote:
Originally Posted by leehan View Post
Also in the UK: MCFM50/07 Says "short lead time", arrived in 2 days.
The uk.farnell.com website indicates that farnell/element14 are expecting 25 x MCFM50/07 to be available for delivery on the 25-Jan-2015. Supplier lead time is listed as 13 weeks.
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Old 16th January 2015, 10:39 AM   #36
leehan is offline leehan  United Kingdom
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Join Date: Jun 2010
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Quote:
Originally Posted by spzzzzkt View Post
The uk.farnell.com website indicates that farnell/element14 are expecting 25 x MCFM50/07 to be available for delivery on the 25-Jan-2015. Supplier lead time is listed as 13 weeks.
I guess eBay option may be safer if you're in a hurry.

I was surprised too for such a quick delivery. In CPC's delivery info page short lead time is described as item is not backordered but instead is available in supplier and can be shipped quickly. It took just 2 days for to me receive it. Hope this happens to be the case for the rest of the items I ordered
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Old 16th January 2015, 11:48 AM   #37
RollE2k is offline RollE2k  Sweden
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Join Date: Nov 2007
I don't know if im either going to order custom 2 x 7V r-core, OR if i should order a 2 x 9-12V r-core and rectify it feeding the dac with DC. I would actually like it better if it was possible to bypass the rectifier & first dc-regulator stage, feeding DC direct to it. With a shuntreg or so. Even though it seems like the PSU is designed well - we all know PSU can have a big impact on sound quality, so it would be good if it was possible to do that and try for ourselves.
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Old 16th January 2015, 11:51 AM   #38
soekris is offline soekris  Denmark
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Join Date: Jun 2009
Location: Korsør, Denmark
Soekris' DAC implementations
Quote:
Originally Posted by spzzzzkt View Post
The footprint for the XLR jacks matches Neutrik NC3M**H jacks:

A- Series: "The `State of the Art` receptacle. Round plastic body XLR pcb mount panel connector. These have the smallest size and highest packing density (23mm between centres). New designed tulip type female contact on 3 pin versions and fork type on 4 and 5 pole female connectors with hard gold plating and polished contact areas."

NC3MAH

----

AA-Series: "New most cost-effective round plastic body XLR PCB mount panel connector. Front panel cutout and pcb layout 100% compatible to A series. New "tulip" type contact design with high contact pressure for highest durability."

NC3MAAH

----

B-Series: "Same as A series with exception of a metal mounting flange featuring continuous circumferential ground contact to chassis for best EMC practice. Available as 3 pole female and male connectors including a special version with 8 ground contacts (-E) for best conductivity of mating shell to ground."

NC3MBH
NC3MBH-B
NC3MBH-E

----

You can always wire from the board to panel mount XLR if you prefer.
Just so you don't run out and purchase XLR connectors:

The dam1021 R-2R DAC will be delivered with 2 pcs NC3MAAH connectors, 1 pcs 26 pin header, 1 pcs 10 pins header and 1 pcs 4 pins power header. They're not soldered on so you can decide which parts to mount yourself, or you can solder wires on.

Since this is diyaudio I assume everybody have a soldering iron and whatever else you might need....
__________________
Søren
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Old 16th January 2015, 01:31 PM   #39
Eldam is offline Eldam  France
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Join Date: Sep 2012
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ref updated in first page : thanks Spzzzztk.


Had we the confirmation by Soren than the spidf input is isolated as well ?

Last edited by Eldam; 16th January 2015 at 01:43 PM.
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Old 16th January 2015, 02:37 PM   #40
picovolt is online now picovolt
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Join Date: Mar 2013
Location: S.F. Bay Area
Quote:
Originally Posted by soekris View Post
Just so you don't run out and purchase XLR connectors:

The dam1021 R-2R DAC will be delivered with 2 pcs NC3MAAH connectors, 1 pcs 26 pin header, 1 pcs 10 pins header and 1 pcs 4 pins power header. They're not soldered on so you can decide which parts to mount yourself, or you can solder wires on.

Since this is diyaudio I assume everybody have a soldering iron and whatever else you might need....
Soren, thank you so much for your thoughtfulness! I hope the documentation writing is going well.
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