dominicbeesley wrote:This has all given me a headache...I better take some Arnica...D
Try replacing your circuit breakers with those that have gold-plated contacts, those with silver/tin are sonically imperfect. Oxygen-free mains cable is available, now it's time to get the power authorities to listen to our cause. I've insisted that the power company replace the local transformer (250kVA) with one that has pure silver windings...and the overhead supply cables be OFC as well....
In the meantime I'm burning-in some loudspeaker cables, each end marked 'Amp' and 'LS' so that I don't get them the wrong way around when I move house...it does make a dramatic difference...
My 300B SET (Single-Ended-Triode) amp still works well, but when the supply voltage drops from 227V to 224V the whole musical performance is ruined.
Even my trusty Revox B77 tape recorder has developed a 0.4db 'suck-out' in its mid-range completely negating the care I took in the recordings I made 30 years ago...I think some capacitors need replacing with true Audiophool components...
Steve A.
...and I don't often use Emoticons...get my drift?