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peranders 13th March 2011 01:46 PM

Group Buy: SST03 Soft start for toroidal transformers
I have put up a wiki page for my SST03 soft start group buy.
Group buy: SST03 softstart - diyAudio

regiregi22 20th March 2011 10:35 PM

What are the differences regarding SST02?


peranders 21st March 2011 07:07 AM

I have made adjustments for 110 VAC. C1 and C2 (the black caps) are changed to 680 nF.

SRMcGee 21st March 2011 08:40 PM


Are there any practical limits on the SST03 in terms of the wattage of the transformer? In other words, are its traces able to handle a 1000 VA toroid?


peranders 21st March 2011 08:46 PM

Yes, 1000 VA is OK.

peranders 25th March 2011 08:51 AM

I'm closing this offer in the beginning of April so hurry up.

DaveM 29th March 2011 05:48 PM

With the low quantities on the GB, is this still a go? I just found it and am definately in for 2 boards and connectors.

peranders 29th March 2011 06:35 PM

I haven't decided yet. 12 pcb's aren't much.

DaveM 29th March 2011 07:30 PM

Have you posted the existence of this GB over on the Pass Labs page? There might be some more demand from there. That is what I could use them for. 750VA 18V primary transformers for F4s right now, but Aleph AX in the future and then who knows what. I am building seperate power supplies that I can use for any of Neslon's ~22 V rail designs.

peranders 30th March 2011 04:43 AM

I avoid cross posting, no I haven't.

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