Shielding
I have some MuMetal in various thicknesses and permeabilities. I'll give them a try when I'm up and running and let you know if it makes any difference.
Robert
Peter Daniel said:
It is a copper tape, but I don't hear much difference when it's being used. I only tried it in one DAC, after a year of using it without copper shielding.
I have some MuMetal in various thicknesses and permeabilities. I'll give them a try when I'm up and running and let you know if it makes any difference.
Robert
MuMetal will be even better for shielding.
The fuse I'm using with the kits is from Digi Key, part# 507-1032 It is PCB mount, looking like a resistor. The power entry modul is from Qualtek, part# Q218. The ground terminal at the back needs to be trimmed off.
I can send you those parts as well, just let me know.
The fuse I'm using with the kits is from Digi Key, part# 507-1032 It is PCB mount, looking like a resistor. The power entry modul is from Qualtek, part# Q218. The ground terminal at the back needs to be trimmed off.
I can send you those parts as well, just let me know.
karma said:is there any burn in time for this chip?
The most improvement you will probably observe in first 24 hours. Later it also improves a bit, but the changes are rather subtle in nature.
Choice of sheilding material and it's thickness is dependent of if you want to shield magnetic fields and/or electrical fields and also which frequency ranges. One of the hardest things to shield is low frequency magnetic fields.Peter Daniel said:MuMetal will be even better for shielding.
So... first you must identify what kind of field you are interested in to shield.
You also need to consider practical reasons, and available materials. As I mentioned before, I'm not really into shielding. What I did with receiver chip was more of a "just in case" approach, than any other identifiable effort.
I tried shielding capacitors, with copper tape, and didn't like the results.
I tried shielding capacitors, with copper tape, and didn't like the results.
All-In-One
Yes, I would like to get fuses and entry modules for both of my All-In-Ones. Let me know what to do as far as ordering.
You didn't say whether you needed me to mail you back the extra Riken resistor?
MuMetal is very interesting stuff. It is only effective against magnetic fields, and it shields by absorbtion rather than reflection. Low magnetic permeability in thicker sheets works best, and shapes that follow the magnetic field lines (curves) are better than flat pieces.
Robert
Thanks Peter,Peter Daniel said:MuMetal will be even better for shielding.
The fuse I'm using with the kits is from Digi Key, part# 507-1032 It is PCB mount, looking like a resistor. The power entry modul is from Qualtek, part# Q218. The ground terminal at the back needs to be trimmed off.
I can send you those parts as well, just let me know.
Yes, I would like to get fuses and entry modules for both of my All-In-Ones. Let me know what to do as far as ordering.
You didn't say whether you needed me to mail you back the extra Riken resistor?
MuMetal is very interesting stuff. It is only effective against magnetic fields, and it shields by absorbtion rather than reflection. Low magnetic permeability in thicker sheets works best, and shapes that follow the magnetic field lines (curves) are better than flat pieces.
Robert
Occasionally, I'm getting inquieries about the integrated amp chassis in a kit form: http://www.diyaudio.com/forums/showthread.php?postid=419356#post419356
If there is enough interest, I could offer it again, however to make it worthwile this time, the price would be at least $250 a set (knobs and cones extra, wooden sides and shaft extenders included).
If there is enough interest, I could offer it again, however to make it worthwile this time, the price would be at least $250 a set (knobs and cones extra, wooden sides and shaft extenders included).
GC Chassis
Peter,
That is an awsome chassis......definitely add me to your GB list. I assume you will start a Wiki if enough people respond?
Robert
Peter Daniel said:Occasionally, I'm getting inquieries about the integrated amp chassis in a kit form: http://www.diyaudio.com/forums/showthread.php?postid=419356#post419356
If there is enough interest, I could offer it again, however to make it worthwile this time, the price would be at least $250 a set (knobs and cones extra, wooden sides and shaft extenders included).
Peter,
That is an awsome chassis......definitely add me to your GB list. I assume you will start a Wiki if enough people respond?
Robert
Banned
Joined 2002
Re: Re: DAC
An idea I've had for an add on board would be to make a pin compatible, drop in replacement board for the CS8412. The PCM2707, clock circuit and 3.3V reg would all fit quite easily. You'd just have to panel mount a USB connector somewhere and route the input wires to the replacement PCB.
I've got all the parts togther to make my own PCM2707 - TDA1543 USB DAC, but I'll certainly contribute what I can to a group effort.
Peter Daniel said:I'm still not sure, I will see how it'll work out, but add on board would probably be more practical.
An idea I've had for an add on board would be to make a pin compatible, drop in replacement board for the CS8412. The PCM2707, clock circuit and 3.3V reg would all fit quite easily. You'd just have to panel mount a USB connector somewhere and route the input wires to the replacement PCB.
I've got all the parts togther to make my own PCM2707 - TDA1543 USB DAC, but I'll certainly contribute what I can to a group effort.
Amp Chassis
Reminder!!!!!......Daniel is offering the possibility of another group buy for this amazing chassis.
How about some more takers?
Robert
Peter Daniel said:Occasionally, I'm getting inquieries about the integrated amp chassis in a kit form: http://www.diyaudio.com/forums/showthread.php?postid=419356#post419356
If there is enough interest, I could offer it again, however to make it worthwile this time, the price would be at least $250 a set (knobs and cones extra, wooden sides and shaft extenders included).
Reminder!!!!!......Daniel is offering the possibility of another group buy for this amazing chassis.
An externally hosted image should be here but it was not working when we last tested it.
How about some more takers?
Robert
Great chassis. I would be interested if the front panel two knobs are instead sources and volume.
I want to make an integrated with PCG2310 preamp/volume control.
The rear chassis would need to contain RCA inputs also.
I know that you did an integrated amp. Maybe you can give the choice of front/rear panels.
Just a thought
I want to make an integrated with PCG2310 preamp/volume control.
The rear chassis would need to contain RCA inputs also.
I know that you did an integrated amp. Maybe you can give the choice of front/rear panels.
Just a thought
Hey Peter,
USB DAC sounds really cool
I've always wanted my CD collection to be hard drive based just
for ease of use. Finding the CD i'm looking for fast, and Playlists
for non-critical listening sessions would be fun.
/m... always demanding MORE! LOL
P.S. For those of you thinking of Peter's chasis as a purchase,
you will not be dissapointed... they rock!
USB DAC sounds really cool
I've always wanted my CD collection to be hard drive based just
for ease of use. Finding the CD i'm looking for fast, and Playlists
for non-critical listening sessions would be fun.
/m... always demanding MORE! LOL
P.S. For those of you thinking of Peter's chasis as a purchase,
you will not be dissapointed... they rock!
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