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Input and switch boards for Soekris DAM1021 DAC

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W

wineds

Member
Joined 2006
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
 
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B

B&W_arthur

Member
Joined 2006
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
 
R

rol

Member
Joined 2010
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
 
C

ctleung

Member
Joined 2013
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung: 2 sets of bare boards + 2 sets of smd components
 
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C

ctleung

Member
Joined 2013
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
 
V

vanwykca

Member
Joined 2009
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
 
G

gig

Member
Joined 2009
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board[/QUOTE]
gig: 1 assembled board
 
A

Ardahan

Member
Joined 2013
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
gig: 1 assembled board
Ardahan: 1 set bare boards + 1 set smd components
 
mhgawel

mhgawel

Member
Joined 2010
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
gig: 1 assembled board
Ardahan: 1 set bare boards + 1 set smd components
mhgawel: 1 assembled board
 
N

normundss

Member
Joined 2009
Since a lot of people are interested in assembled boards, I would like to clarify that the assembled boards will come with the 3.3V regulator installed. It means the board can not be powered by the internal 3.3V line from DAM1021. You will need to run a wire from PWR+ pin on DAM J2 connector to +4-16V connector on the input board as described in the powering option (2) in the first post. This is the preferred configuration anyway, since it avoids polluting the internal 3.3V supply of the DAC.
 
N

normundss

Member
Joined 2009
smanz said:
Hi normundss.

This is my assembly. As you can see, the cables that connecting Amanero and DAM are too long. It is a very bad disposition. The chassis is Galaxy Maggiorato GX338 330x280.

Od3c1bU.jpg


Regards
Click to expand...

Yes, those wires carrying I2S signals are too long. I have a similar setup right now. The noise that I reported seeing on the DAC outputs when Amanero was powered up, actually turns out to be RFI radiated from the long I2S wires that gets coupled directly into analog output wiring (in my case about 3cm long non-shielded wires to RCA sockets).
So I would recommend to connect the inputs directly to DAM J3 connector to minimize radiated noise, turn the DAC board around so that digital inputs point to the back, and run shielded cables for analog outputs. The grounding of onboard XLR connections is not AES48 compliant, so I would not use the onboard connectors anyway.
 
M

Myint67

Member
Joined 2013
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components*
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
gig: 1 assembled board
Ardahan: 1 set bare boards + 1 set smd components
mhgawel: 1 assembled board
Myint67 : 1*assembled board
 
S

siulaken

Member
Joined 2014
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components*
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
gig: 1 assembled board
Ardahan: 1 set bare boards + 1 set smd components
mhgawel: 1 assembled board
Myint67 : 1*assembled board
siulaken: 1 * assembled board
 
mhgawel

mhgawel

Member
Joined 2010
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components*
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
gig: 1 assembled board
Ardahan: 1 set bare boards + 1 set smd components
mhgawel: 2*assembled board
Myint67 : 1*assembled board
siulaken: 1 * assembled board
 
Z

zephyr

Member
Joined 2005
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components*
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
gig: 1 assembled board
Ardahan: 1 set bare boards + 1 set smd components
mhgawel: 2*assembled board
Myint67 : 1*assembled board
siulaken: 1 * assembled board
zephyr: 1 set bare boards + 1 set smd components
 
mhgawel

mhgawel

Member
Joined 2010
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components*
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
gig: 1 assembled board
Ardahan: 1 set bare boards + 1 set smd components
mhgawel: 3*assembled board
Myint67 : 1*assembled board
siulaken: 1 * assembled board
zephyr: 1 set bare boards + 1 set smd components
 
G

gazzagazza

Member
Joined 2004
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components*
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
gig: 1 assembled board
Ardahan: 1 set bare boards + 1 set smd components
mhgawel: 3*assembled board
Myint67 : 1*assembled board
siulaken: 1 * assembled board
zephyr: 1 set bare boards + 1 set smd components
gazzagazza: 1 * assembled board
 
ramallo

ramallo

Member
Joined 2004
susoramallo.com
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
gig: 1 assembled board
Ardahan: 1 set bare boards + 1 set smd components
mhgawel: 1 assembled board
ramallo: 1 assembled board
oneoclock: 1 assembled board
 
E

ellissdee

Member
Joined 2014
leehan: 1 assembled board
tubesguy: 1 assembled board
robertrowett: 1 assembled board
secanbj: 1 assembled board
RollE2k: 1 set bare boards + 1 set smd components
misterrogers: 1 assembled board
bambadoo: 1 assembled board
randytsuch: 2 bare boards
danny_66: 1 assembled board
bappe: 2 bare boards
algar_emi: 2 sets bare boards + 2 sets smd components
nbivol: 1 assembled board
jeremysk: 1 set bare boards + 1 set smd component
SebastianL: 1 assembled board
hsi68: 1 assembled board
wineds : 1 set bare boards + 1 set smd components
B&W_arthur: 2 assembled boards
Rol: 1 set bare boards + 1 set smd components
ctleung1: 2 sets of bare boards + 2 sets of smd components
vanwykca: 1 assembled board
gig: 1 assembled board
Ardahan: 1 set bare boards + 1 set smd components
mhgawel: 1 assembled board
ramallo: 1 assembled board
oneoclock: 1 assembled board
ellissdee: 1 assembled board
 
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