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Friday, July 15, 2022

The All Silver D3a Differential Phono Preamplifier

 Hi!

Just finished a D3a differential phono stage with all signal transformers, plate chokes and LCR coils in silver.




This phono stage will be used together with previously finished 10Y differential line preamplifier and 300B mono blocks




To house all the components needed the signal unit has to be 6cm longer than the usual standard size.







The power supply unit is in the usual 40cm long portrait chassis.





View from the top:





These are all the silver wind goods used in this phonos stage:



Some impressions of the construction process:
















Power Supply:




The phono stage is meant for use with MC cartridges. It has both XLR and RCA in and outputs.




Best regards

Thomas




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