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I have a couple of valve amplifiers and they use various types of valves. I always try and keep stock spare so if one valve fails I'm not left with silence. What I'd like to ask is, if I start importing valves, what valves should I import ? What valves do your devices use ? These are the...

Hi All I thought I'd upload some photos of my completed stereo KT88 amplifier for those who might be interested. The chassis and power transformer were supplied by Karel/Mars as part of a kit, the output transformers are British-made Sowter units, supplied by BK. I sourced most of the valves...

I'm thinking of building an NTP/GPS synchronised clock using magic eye valves/tubes, does anyone have a few they'd like to sell ? I need at least 5 of them, preferably 6E5. I can probably bring in new units from Taiwan for about R 280 per valve in lots of 10. They're surprisingly expensive...

I recently received a Dynaco-like KT88 mono amplifier which I asked John to build 3 months ago. The amplifier is for the center channel in my home theatre setup (I'm using an EL84 PP amp to drive the front channels, but hopefully that'll be replaced by something KT88/EL34 based soon - not that...