Thomas Mayer latest VarEQ Phono for 78rpm Records will be presented at Munich High End audio show, where different shellac records will be played.
This is a unique variable switchable LCR EQ phono stage will implement D3a tubes and based on the same fully transformer coupled circuit as the Thomas’ D3a LCR RIAA phono stages.
The two D3a tubes are placed at the front and part of the chokes and transformers of the circuit are placed on top under transformer covers with completely separate power supply.
Link: here.