StewMac 57 MINI TWEED, Assembly Instructions Manual

Page: 26 / 40

stewmac.com
24
© 2018 StewMac
5Y3 5Y3 5Y3 6V6 6V6 6V6 12AX7 12AX7 12AX7
SPEAKER JACK SPEAKER JACK SPEAKER JACK
JACK 1 JACK 1 JACK 1 VOLUME POT VOLUME POT VOLUME POT LAMP LAMP LAMP FUSE FUSE FUSE JACK 2 JACK 2 JACK 2
5Y3 5Y3 6V6 6V6 12AX7 12AX7
SPEAKER JACK SPEAKER JACK
JACK 1 JACK 1 VOLUME POT VOLUME POT LAMP LAMP FUSE FUSE JACK 2 JACK 2
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
6
4
3 2
1
9
8
7
5
12
13
14
15 16 17 18 19 20 21 22 23 24 25 26
2 1 3 4 5 6 7 8 9 10 11
+
25
μ
F
.02
2
μ
f
8μf 8μf
16μf
.02
2
μ
f
u
STEP 61
Solder the speaker output jack
Solder the jumper from eyelet 21
and the yellow lead from the output
transformer to the center lug of the
speaker jack .
u
STEP 62
Solder the 12AX7 tube socket
Wrap the jumper from eyelet 22 to pin
6 of the 12AX7 socket .
Wrap the jumper from the volume
pot, coming through hole 23, to pin
7 of the 12AX7 socket .
Wrap the jumper from eyelet 12,
coming through hole 23, to pin 8 of
the 12AX7 socket .
Connect one green jumper from the
6V6 socket (from either pin 7 or pin 2)
to pin 9 of the 12AX7 socket . Wrap it,
but don’t solder it yet .
Wrap the other green jumper from
the 6V6 socket (from either pin 7 or
pin 2) through pins 4 and 5 of the
12AX7 socket, joining those pins in
one connection .
Wrap the jumper from eyelet 24 to pin
1 of the 12AX7 socket .
Wrap the jumper from eyelet 13,
coming through hole 25, to pin 2 of
the 12AX7 socket .
Wrap the jumper from eyelet 26 to pin
3 of the 12AX7 socket .
Solder the connections to this socket
(eight wires) . Trim the wire ends .
Now that you’ve soldered the com-
ponents and wires, take a break . Rest
your eyes . Review your work later,
carefully looking again for any errors
before moving on .