Tuesday, 22 May 2018

EL34 Triode connection Push Pull CFB Paraphrase Inverter Amplifer Schematic from Bartolomeo Aloia Project and Hammond Transformer



This is my first Tube Hi Fi amplifier, I choose to start from a  Bartolomeo Aloia project :
VTAF Volks Tube Amplifier The First by Bartolomeo Aloia
 you can find details on audiodesignguide page.

The project is based around a EL34 triode conection push pull.
The output transformer is a Hammond 1615 witch I would use in Chatode Feddbak connection.

Paraphrase imput stage and phase splitter is a  modified GY50 driver stage board .



Phase Splitter Prototipe Paraphrase inverter



EL34 triode push pull CFB amplifier schematic

Thursday, 3 May 2018

Complete Preamplifier DIY Line Amp, RIAA EQ. Moving Magnet MM. Moving Coil MC



Complete Preamplifier DIY  Line Amp, 
RIAA EQ.
 Moving Magnet MM
 Moving Coil MC



Sony Esprit TA-E901 Preamplifier Audio Module Replacement, Substitute, Spare revision 1



My own project about Sony Audio Module 
Amplifier board for Sony ESPRIT repair.
TA-E901 Flat Amp Preamplifier