Anyway, what has been bugging me for a while with this amp is that the output stage has a higher voltage transformer than the input/driver stage, which I’ve realised is a bit pointless as this isn’t a valve amp. The output stage (current amp) can only produce as much current as the swing of the driv...

CN211276 wrote: ↑Fri May 19, 2023 11:32 am Status Quo - Down the dustpipe

Did your pickup stand the test.

Glad to have helped.

Use a pair of long nosed pliers to hold the tag just behind the barrel that is supposed to slip over the cartridge tag. Push a suitably sized sewing needle into the end of the tag and carefully work the tag out to the right size. FFS watch your fingers! ie don’t push on the needle too hard. I have u...

The twin carb version then.

Finished off the amp today with a major tidy up of the power supply mains wiring. IMG_0197.jpeg I'm not really happy about the length of the leads from the PSU caps to the boards, but short of a complete rebuild and change of layout, there's not a great deal I can do about that. so 'feck it and list...

ZZ Top - Eliminator. Great fun.

Well, having attended the Rod Elliot school of power supply design and carried out his instructions, I’m listening to the results of my endeavours. This is the most music I've had in my room…ever 😀 It’s ridiculously good. More of the music has been let out of Richard’s boards and the results certain...

More mods: I've redrawn the power supplies in a better format, as done by Rod Elliot, put the 10000uF slit foil Supertech caps on the input and driver stage supply and put a symmetrical RC filter across the output of the output stage supply because a different solid-state bloke on the internet sez. ...