I've just read the review of the welbrook Loop in the latest RadCom, and wondering if anyone here knows the preamp configuration. There are two ways of doing it... Hopefully, and almost certainly the
Hello Clemens, Yesterday afternoon I have continued the dissection of the potted amplifier. The potting is very hard to remove and when someone want to re-use the loop, the easiest way to do so is to
Hi Roelof, There is a kind of transformer inside Yes,definitely. Andrew Ikin himself says the following about the 'AL1530 SSB Plus' version which is custom made for SSB Electronic (http://www.ssb.de/
Hello Andy, I have been asking the same question for years, but so far nothing has been revealed. I was given two defunct units and on one I have started to remove the potting compound with a lino cu
I think that the potting compound is some epoxy, as plastic DIL IC case. So put the defunct unit into a pot filled with N,N-DIMETHYLFORMAMIDE, a flammable and very harmful chemical, see the Safety Ca
It's about time that someone went to the trouble of doing this. I know that the people at Pixel took one part, but they are mum as to what they found. Chris Regards, Chris
On 12/16/2011 12:21 PM, Andy Talbot wrote: I've just read the review of the welbrook Loop in the latest RadCom, and wondering if anyone here knows the preamp configuration. That seems tp be one of th
Roelof Thanks for the link - I found the link dead as well but I'll keep checking from time to time. 73 Terry Hello All, Sorry, the link to LZ1AQ's article is not working. I checked his website and i
Something that is claimed to work at the same level of quality is this : http://wl1030.pa3ang.nl/content/ There is a sketch of the circuit here: http://www.dd1us.de/Downloads/comparison%20active%20ma
