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300B Tube Pin Layout
The LARGE pair of 300B tube pins should be installed toward the front of the CAD 211 FE amplifier 300B
tube sockets. LOOK CAREFULLY at the tube pins to be sure that you insert them correctly. It is possible to
force the tube pins into the socket the wrong way if you are not careful! If you install the tube wrong you
will probably damage the amplifier and the tube. This damage will not be covered by the manufacturers
warranty for a new amplifier. If you have any doubts about this, have the 300B tube installed by your
dealer. If you will look carefully at the pins and install the large pins to the front of the socket all will be
fine! These 300B tube pin installation instructions are valid for the 211 FE only.
300B Tube Socket Pin Layout in the CAD 211 FE Amp Chassis
The LARGE pair of tube pins should be installed toward the front of the CAD 211 FE amplifier tube socket.
LOOK CAREFULLY at the tube pins to be sure you insert them correctly. It is possible to force the tube pins
to plug in the wrong way in the socket! PLEASE BE CAREFUL INSTALLING THE 300B TUBE! If you install the
tube wrong it will certainly blow a fuse and it may damage the amplifier. Correct placement is easy after
looking carefully at the pin sizes and the pin socket hole sizes in the tube socket.
Front of the tube socket installed on the CAD 211 FE chassis
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