Ace and Steve’s Big Vintage Summer Adventure: Update No. 1 Leak Stereo 20 Progress, and I Share a Testing Tip by Steve Graham The Leak Stereo 20 is up and running. I installed the remaining caps and resistors (Ace had already replaced about 75% of them). I also made a couple of supports for the new B+ filter capacitors (A in picture below) mounted on the underside of the chassis. The mount and caps are held in place with sticky-as-all-get-out, double-sided tape that only gets stickier in the presence of heat. The original filter caps, protruding through the top of the chassis (see picture in first article of this series), have been disconnected but left in place for cosmetic purposes only. Ace chose all of the parts, mostly new production resistors and caps with the exception of half a dozen NOS, USSR-made, paper-in-oil coupling caps (B in the picture below). A gentle power-up using a Variac, a few voltage measurements to confirm no freaky faults and the Stereo 20 was ready to go. Connected to Triangle speakers and a portable digital player source the joint was jumpin’ within about five minutes. The Leak’s noise level was commendably low, [...]
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