Location: Dagenham Essex
Posts: 11,215
I'm Allen.
Technics SP10 mk2
Jan Allaerts MC 1 Boron mk1 cart
Miyajima Shilabe cart
Hashimoto HM-X SUT
Siggwan (gimballed not unipivot) Cocobola 12"
Aurorasound Vida LCR Phonostage
The Truth linestage
Dave Slagle Autoformer Volume Controller
Cary 805c SET amps
Audio Note ANe-SPX speakers
Townshend Isolda speaker cables
Cardas Golden Presence interconnects
I have one like the first two. I had one before, that worked well at first but went south on me. I shopped around and bought a second one, nearly exactly like it, and this time I could not be happier. The scale pan is low enough to be about the height of a 180g record, and results are easily repeatable. Sure beats those old Shure fulcrum scales!
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Location: Dagenham Essex
Posts: 11,215
I'm Allen.
Just won one of these with a lower weighing platform and a bigger batterie
http://www.ebay.co.uk/itm/100g-0-005...0AAOSwX61ZCYRe
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I'm aware of that article, however there is insufficient detail of the various arm geometries for me to place confidence in his computer model. This applies especially to the unipivot design. Interesting nonetheless.
All of my arms follow his 'generic' geometry, and I'm not bothered about an overestimate of the VTF of 0.01 - 0.02g.
Calibrating the electronic scales with weights used with the Mitchell balance (themselves measured using a chemical balance against weights checked by the National Physical Laboratory), I find the electronic scales generally under-read by 2 - 3% (or about 0.04g at 2g).
Barry
Technics SP10 mk2
Jan Allaerts MC 1 Boron mk1 cart
Miyajima Shilabe cart
Hashimoto HM-X SUT
Siggwan (gimballed not unipivot) Cocobola 12"
Aurorasound Vida LCR Phonostage
The Truth linestage
Dave Slagle Autoformer Volume Controller
Cary 805c SET amps
Audio Note ANe-SPX speakers
Townshend Isolda speaker cables
Cardas Golden Presence interconnects
I have an ancient Colton "Variscale" analogue one which is very nice and works great. I wouldn't trust a digital one.
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
Agreed - but the way scales are advertised, they (deliberately?) confuse 'resolution' with 'accuracy', or at least make it ambigious.
All I require are scales that have a resolution to 0.01g, and an accuracy of +/-2% (or +/-0.04g at 2g).
Not only do cartridges vary slightly in compliance sample-to-sample, the compliance also varies with temperature, to the effect that many cartridges operate best when the ambient temperature in the vicinity of the cartridge is ~ 23 degC.
Barry