Originally Posted by
Edwardlon
Cheers Jez
Is there a way for punters to objectively measure their amps to see if an alternative PSU may improve things?
Do your comments hold true for other things - like DACS, computers, TTs etc?
Edward
btw: did you get the Marconi thing yet and does it work?
I'm afraid there is nothing a punter can do to measure any of this no...
Different things vary hugely as to how sensitive they are to PSU quality but the comments generally hold true yes.
TT supplies for most synchronous motor TT's are in effect low powered mains regenerators and supply a high voltage AC waveform to the TT. This will usually be 240V AC 50Hz of course but some TT supplies have a facility to change the frequency by a few Hz and so change the speed of the TT to be precisely 33 1/3 RPM. This can also be used to deliberately set it to the wrong speed to bring a recording which was off pitch into tune. Some can vary the AC voltage as well in the pursuit of lower vibration from the TT motor.
No I still don't have the Marconi Instruments signal generator....
Arkless Electronics-Engineered to be better. Tel. 01670 530674 (after 1pm)
Modded Thorens TD150, Audio Technica AT-1005 MkII, Technics EPC-300MC, Arkless Hybrid MC phono stage, Arkless passive pre, Arkless 50WPC Class A SS power amp, (or) Arkless modded Leak Stereo 20, Modded Kef Reference 105/3's
ReVox PR99, Studer B62, Ferrograph Series 7, Tandberg TCD440, Hitachi FT-5500MkI, also FT-5500MkII
Digital: Yamaha CDR-HD1500 (Digital Swiss army knife-CD recorder, player, hard drive, DAC and ADC in one), PC files via 24/96 sound card and SPDIF, modded Philips CD850, modded Philips CD104, modded DPA Little Bit DAC. Sennheiser HD580 cans with Arkless Headphone amp.
Cables- free interconnects that come with CD players, mains leads from B&Q, dead kettles etc, extension leads from Tesco