Hi John,
Yes you're right. I need to order them first - then there is a 10-14 business days production time + shipping from China. But I expect to order during this coming week.
The layout is as good as ready - I usually go over it a few times before ordering, but this will not be a delaying factor.
Christian
Yes you're right. I need to order them first - then there is a 10-14 business days production time + shipping from China. But I expect to order during this coming week.
The layout is as good as ready - I usually go over it a few times before ordering, but this will not be a delaying factor.
Christian
The board is 38x90 mm, you can read more about it here: http://www.diyaudio.com/forums/group-buys/142565-gb-rectifier-boards.html . The thread is not very active, so it can be hard to find. 
Part2 getting the case? That tends to be one of the biggest challenges, unless you have access to machining tools.
Part2 getting the case? That tends to be one of the biggest challenges, unless you have access to machining tools.
Thanks, I missed that thread.
I already have a case, it's one from Hi-Fi 2000 , the heatsinks are 16.5 x 40cm and the front panel is 1cm thick aluminum, I'm planning to put some thermal grease between the heatsinks and the front panel, so that the alu front also becomes part of the heatsinks.
It looks like a good case, only the bottom need some reinforcement, that 500VA is heavy.
I already have a case, it's one from Hi-Fi 2000 , the heatsinks are 16.5 x 40cm and the front panel is 1cm thick aluminum, I'm planning to put some thermal grease between the heatsinks and the front panel, so that the alu front also becomes part of the heatsinks.
It looks like a good case, only the bottom need some reinforcement, that 500VA is heavy.
Attachments
Those two red ones at the right are 10mH chokes for the CLC PS.
The one in the left upper corner is for the soft start based on this circuit:
http://www.diyaudio.com/forums/pass...t-standby-functions-your-aleph-amplifier.html
The soft start is done with a CL60 that will be bypassed with a relays after 5secs.
The one in the left upper corner is for the soft start based on this circuit:
http://www.diyaudio.com/forums/pass...t-standby-functions-your-aleph-amplifier.html
The soft start is done with a CL60 that will be bypassed with a relays after 5secs.
I repaired a few boards for folks who purchased the component parts -- men generally don't read directions -- (in fact, the manual for one of my Hewlett Packard spectrum analyzers made that point, that if were reading the manual for the first time, something might be wrong.) I would suggest 2 mounting arrangement for the current protection transistors so that there's no confusion.
It's pretty compact so there's not a lot of room on the silk -- you could overlap two devices (probably violating design rules for your pcb program) -- or affix a label to the packaging advising the purchaser that different transistors have different pinouts.
I send the Zetex devices -- they are a bit pricier -- but haven't failed me yet. Which are the transistors contemplated on your board?
I send the Zetex devices -- they are a bit pricier -- but haven't failed me yet. Which are the transistors contemplated on your board?
I used BC550 and BC560. I don't like the shape of ztx, they are curved on the front side instead of the back side... but thats just me.
However I could probably flip the footprints without causing an increase in confusion. I usually recommend people to get parts at your store, so it would make sense if the boards matched.
However I could probably flip the footprints without causing an increase in confusion. I usually recommend people to get parts at your store, so it would make sense if the boards matched.
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