headinclouds

I’ve finished my KGSShv and have at last been able to listen to my SR-507. The amp has run for 10 hours so far and I have listened to it for the latter couple of those. It’s certainly working well. I have heard some beautiful music already. Thanks to members who so kindly helped with advice and offers to supply parts, and to those who've joined in my "mini group buy". It's been a pleasure hooking up with you. I am really looking forward to getting to know this set-up and am already thinking of another version.

I looked at the usual trade catalogues, but decided I didn't need the 25 metre reels. An ebay uk search for "teflon wire" brought up some suitable stuff. I bought a few metres of various colours and some is rated for 300v,600v and 1000v so you have a choice. You can get silver plated copper with pvc insulation rated for 600v also. I am honestly not sure I can tell the difference of what wire the power supply is connected with. http://www.ebay.co.uk/sch/i.html?_odkw=NAVSHIPS&_osacat=0&_from=R40&_nkw=TEFLON+WIRE&_sacat=0&_trksid=m194&ssPageName=STRK:MEFSRCHX:SRCH Happy Christmas to all the Headcases and am grateful for your helpful comments. Looking forward to having my KGSSHV built in a month (?)

Sorry that should be wokstarr, which is much better

We are all looking for a choice of decent knobs, I was put on to this Hong-Kong based supplier of a range of items,very helpfully by workstarr, which many may already know. http://www.vt4c.com/shop/program/main.php?cat_id=6&group_id=2 also quite local to me is Hi-Fi collective ( never cheap but do have a few useful bits) http://www.hificollective.co.uk/components/knobs.html of course RS, CPC and Farnell have knobs and sell in EU.

I was having trouble doing a pm. I'm using firefox. The control +F5 worked! thanks. That's assuming of course that you can read this. PS my font is funny, doctor

I have had several quotes and am just about to order KGSSHV board sets onboard heatsink. 2.5oz copper, blue mask, lead solder tinned. If I order 20 sets they will be app £45/set inc VAT within EU. Shipping to you will be a few pounds on top of that. I would like to place order in a week to 10 days, delivery will be app 3 weeks after. PM me if you'd like to be included.

Excellent -thanks for that. So I have the choice of either configuration. Decisions, decisions.

Thank you all for the preceeding comments - they are a great help. I will have to ponder as to which way I go forward. I have built some class A SS amps (only little 20W monoblocks and various headphone amps) and I agree the heatsinking is crucial. I am tempted by the off-board heatsink for that reason. Are the KGSSHV gerbers for this version without errors - as I saw some mention of a little bug?

Hello Guys, I’m a new member. I’ve been lurking for weeks. I was thinking of building a KGSS starting with the original article on Headwize. I read all the posts on the KGSS and the KGSSHV. I've found this thread particularly interesting, thanks to KG for his designs and all the contributors who've shared such useful info Well it seems that I should use the circuit of the KGSSHV and by the time you’ve built it at a slightly lower voltage (say 350-400 rails) you have spent nearly the same amount of time, effort and money and it is still the same size so I figured I’d just make a KGSSHV anyway. Any one second that? But the main reason I am posting here is that I have been getting a few quotes for the mains transformer. An experienced maker of toroidals states; “Due to the absence of an air-gap toroidal transformers are not suitable for circuits that introduce a DC current into any of the windings (e.g. half-wave rectifiers, voltage doubling circuits etc”) I can see that builders have had success with generously rated toroids but does anyone know whether the voltage doubler circuit that produces the bias voltage at a very small current has any detrimental effect on a toroidal transformer?