I rebuild and build very often these Uchida / Sun Audio triode amps, so I made pictures from the rebuildung procedure. It´s published on the 2A3-Maniac blog of Carsten Bussler.
These Ortofon RMG309i tonearm comes in a dirty and not great condition, after a intensiv cleaing and the professional service it looks and works perfectly again. The new internal tonearm wire (Pure Silver Hair Wire) and the refurbishing and precise adjustment of the bearings brought a significant improvement in performance.
We just designed a new parts for the Sun Audio amps. The parts are for the improved hum balance adjustment and brings also high quality teflon sockets for the 2A3/300B tubes. We manufacture those parts on our own maschines.
That´s a new headshell prototype made from aluminium-titanium-alloy. The weight of these solid headshell is with 16,2 grams a little bit higher, but just right for the SME 3009/3012 tonearms. It has a flat geometry matched to install flat cartridges like a Denon DL103.
I refurbished these wonderfull Ortofon RF297 tonearm for a customer and designed a custom made armboard with arm rests and a bronze base. It´s a copy Continue reading Refurbishing of an very old Ortofon RF 297 include custom made armboards
After ten years we redesigned the armboard for the Platine Verdier turntables, here is the result. These armboard Mk3 for SME tonearms works only with the bronze groundplate standard in conjunction with an SME 3009, SME 3010, SME 3012, as well as all SME M2 tonearms.
This very rare SME 3012 S2 in early version with the split counterweight. This tonearm is unique and in outstanding condition. Continue reading SME 3012 Series 2 Stainless Steel Edition
These EMT 929 is after refurbishing in excellent condition with nice features. The internal wiring was exchanged against the stunning quality from Shindo Lab, Japan. The tonearm got a custom made bronze groundplate incl. template. The tonearm has a modified phono connector (see pictures). All around a very beautiful tonearm in a excellent condition.