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_1_
R1
AUDIO GAIN
111,
.
í
.9
.
N1
f.
-1'
1
---
--__
-
1---.\
Fig. 4.
Rear
view of
the
55B
Jr.
3"
PHASE
SHIFT
NETWORK
(BELOW
ON
I/2"
SPACERS)
Ti
STANCOR
e
No
3c
Sill
,/
/
L----
____
_,
.T
I
----
i'
xi,
r-
1
I
'\I2AU7
¡
t
i
i
r.-'-1.1
i
1/2"
L___
----J;
n'
-4
--'-'-ii
+
.1
XTAL
FRONT
SOCKET
LI
(BELOW)
R5
(USE
SHAFT
LOCK)
r-----,
II
-----J
I
i
12AT7
i
C2
a,b,c,d
CABLE OUTLET
-c+
5"X
7"X
2"
CHASSIS
i`
//
\
AG7
KEEE
\
/
\\
/
L2
L3
L4
(ABOVE)
(BELOW)
(ABOVE)
L5
(BELOW)
Fig. 5.
Chassis
layout for
the
55B
Jr.
(top
view)
411.
5
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