Installing The Tubes - Absolare Preamplifier User Manual

4. Installing the Tubes

There are two 12AU7/ECC82 twin triode tubes in the Preamplifier.
12AU7 / ECC82 tubes have one missing pin acting as a correct positioning key.
Align the missing pin with the missing hole in the tube socket while inserting.
6
ABSOLARE Preamplifier User Manual 1.2