DC B1 pre-amp with phono stage
Just finished this pre-amp. Hypnotize DC B1 Jfet buffer with a MM phono stage using the Elliot Sound Products PCB and Burr Brown OPA2134 jfet audio opamps.
Individual transformers for phono stage and buffer.
Shunt regulated dual power supply for the phono stage.
50K stepped attenuator.
Elma source selector switch.
Adjustable brightness power indicator led.
Aluminium case, 3mm thick top and bottom panels.
https://dl.dropbox.com/s/qn83fpxolqb...whole.jpg?dl=0
https://dl.dropbox.com/s/2evnfx0ytf5...board.jpg?dl=0
https://dl.dropbox.com/s/dca2ebia1ey...whole.jpg?dl=0
https://dl.dropbox.com/s/eztcha1cio1...trols.jpg?dl=0
https://dl.dropbox.com/s/gmbbk0u601h...tions.jpg?dl=0
https://dl.dropbox.com/s/wd7g6z0e2en...board.jpg?dl=0