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Section 11: L2 Phono Board Build and Installation
This section is only relevant to you if you are building the Phono version of the L2 Pre-amplifier. If you are not then you
can skip this section and move onto the next.
In this section we will build the L2 Phono PCB – The circuit uses a 12AX7 on the input followed by a passive RIAA section
with a 12AU7 on the output stage.
The picture above shows all the parts required for the phono stage including resistors, film and electrolytic capacitors,
valves bases, shields and the PCB.