If I put my notes here, I might be able to find them again later!
Progress so far
The first stage is getting the power supply installed and running. That's the little board by the transformer, which just has the diodes, main filter capacitors, and isolation resistors on the voltage rails. The case top lid is transparent plexiglass, so the internals are lit by three white LEDs to show off, and light the control labels, which are printed on the top lid rather than the front and back sides of the case.
You'll notice I have followed the instructions and removed the plastic covers on the electrolytic capacitors.
For the record I do think they sound better that way, I just normally can't be bothered as, for example, my phonoclone 3 boards have 28 of them and I consider the exposed metal surfaces a bit of a safety issue as well.
You'll notice I have followed the instructions and removed the plastic covers on the electrolytic capacitors.
For the record I do think they sound better that way, I just normally can't be bothered as, for example, my phonoclone 3 boards have 28 of them and I consider the exposed metal surfaces a bit of a safety issue as well.
Total Comments 2
Comments
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Hi,
Remove the plastic covers on the electrolytics don't seem a good practice:
En busca de un DAC DIY...
The text are from Cyril Bateman:
https://web.archive.org/web/200910270...wnloads_5.html
Happy daysPosted 4th March 2012 at 05:36 PM by raul_77
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Filter caps in audio applications are low ESR and low current, the losses are never such that the capacitor gets warm, casing or no casing.Quote:Aluminium electrolytic capacitors housed in aluminium cases are supplied with a plastic oversleeve,
which serves two purposes, it is easily printed with capacitance and voltage etc., but more important this
sleeve actually dissipates heat more rapidly than does the bare aluminium can, so must never be
removed.
The reason you might not want to remove this plastic casing is electrical, the exposed metal can be at high voltages and shorting same may cause injury and/or damage the circuit.Posted 28th March 2012 at 08:04 AM by rjm
