Thanks Nopants, Just needed a bit of confirmation, still a bit green on this Tech. This amp will keep me happy till I finish my T2. Les

Hi, I built my amp a few years back, so used 389. They are available on ebay for $7.50. Although I expect something similar could be found. Try this http://www.ebay.com/itm/1x-NEW-TOSHIBA-2SK389-BL-2SK389-BL-DIP-7-IC-CHIPS-/321114283329?pt=LH_DefaultDomain_0&hash=item4ac3e71d41   Les P.S...

Padam, Those Lambda Pro (not the Classic) is that what they call them or is there a SRxxx?. Thanks Les

I built the KGSS amp a few years ago and want to upgrade the pot to a switched att. Goldpoint do some and have been looking at their specials. Have the older model(square Type) a bit cheaper than the present. The KGSS has an input impedance of 50k and I know I should use a 50k Att. They don't...

Thanks Padam, Will look into the Pro versions, if i cant get the dust protectors here will try the USA. Les 

Thanks RiStar, The offset to ground remains close to zero. It was just that Kevin's said his one only did +- 200mv over a month.When I was trying to adjust the pots I was just chasing myself.As it depended at which part of this cycle I did the adjustment. I have not checked this drift from...

Hi All, Has anyone built the above amp?. I did a few years ago and have just got back in to trying to setup biasing following Kevin's procedure. There seems to be quite a large drift in output voltage at idle measured between + and - Outputs. Both channels exhibit this variation. If you look...

Hi Guys, A first time poster but long time user of Stax SR-Lambda Pro Classic along with Kevin Gilmores Tube Amp and then his Full Solid State one. Maybe now his Blue Hawaii as I have just spotted it. Back to my question; My headphones have the foam disintegrating and I have managed to...