Step 4
– Strip the end of this wire but do not tin. Insert this end into the back of T41 turret
(photo 6.8b).
Step 5
– Cut a 2” length of 20AWG red wire, strip and tin one end.
Step 6
– On the back side of the board, solder this wire into the opposite end of T36 turret.
Step 7
– Run the above wire directly to turret T41 and carefully trim this
wire, leaving enough end to insert into back of T41 turret.
Step 8
– Strip the end of this wire but do not tin. Insert this end into the
back of the T41 turret along with the previous wire (photo 6.8c).
Step 9
– Solder these two wires together into the back of the T41 turret.
Step 10
– Cut a 7 1/2” length of 20AWG red wire, strip and tin one end.
Step 11
– On the back side of the board, solder this wire into the opposite
end of turret T47.
Step 12
– Run this wire directly to turret T8 and carefully trim this wire,
leaving enough to insert into the back of T8 turret.
Step 13
– Strip and tin the above wire and solder into the back of turret
T8.
Installing the Components
6.9
Electrolytic capacitors DO have a polarity and must be installed into the circuit according
to the markings on the component and the template.
CAUTION
It is good practice to install all components centered between their mounting turrets with
equal length lead on either side of component. Additionally it is important to install all
components with their value, voltage rating, and polarity markings facing up. This makes
reading and identifying the components easier.
NOTE
When installing large electrolytic caps, it is good practice to secure the component to the
board with a small bead of silicon adhesive. This will hold the component firmrly against
the board, removing the chance for the component to vibrate when the amp is played.
NOTE
TubeDepot.com 35
The below assembly directions covers wiring the turret board for the 12AX7 tube. Refer to
“Cool Modifications”, Chapter 11 for installing the EF86 tube instead.
MOD
photo 6.8b
photo 6.8c
photo 6.9a
NOTE
The MIL-SPEC resistors used with this kit are rated at 1% and often have very specified
values. As example, 475K is used in place of 470K; 825 in place of 820; etc. These
specific values are within the ratings of the vintage 10% common resistors.
