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15-watt universal amplifier
Sf.
V 6.7
Construction
and
specifications
Power supply:
110, 130,
220, 240
volts a-c
Microphone
input:
High
impedance
·
Pickup input
·
Tape recorder
input
Loudspeaker
output:
15 ohms
Classes of
operation:
Optical
sound
reproduction,
magnetic
reproduction,
Magnetic recording,
\
using recording
stage
Sf. MZ
6.3
opt1cal-to-magnetic
rerecording
f
Tube
complement:
2
x
EF
86, 2 x
ECC
83, 2 x
EL
84
Voltage selector
with
fuse holder
0.8-amp
fuse for
220 (240) v
a-c; 1.6-amp fuse for 110
(130)
v a-c
a masterswitch
0
off,
0
on)
b
exciter lamp
S~itch
0
Off,
{)
on
c oass control
d
treble control
e volume control for
pickup
f
volume control for
microphone
g vJiume control for sound ftlm
reproduction
cldss-of serv1ce switch for
-:~-optical
sound
reproduction
3
magnet1c
reproduction
0
magnetic recording
t
9
optical sound rerecording
Q
other classes of operation
setscrew
for
elevation adJUStment
of projector base
k terminal strip
I
interlocking pawl
m interlocking control button
n connection jacks
for
magnetic head
cables
upper
jack for
magnetiC rerecording,
lower jack
for magnet1c reproduction
and recording
o ampl1f1er 1nputs for:
=d
HI mtcrophone, high impedance
a
tape recorder
=0.
pickup
p ampltfler output
loudspeaker termtnals
15
ohms
q
voltage selector with fuse
r
cover plate installed when
record stage is detached
m/
Fig
2a
Universal amplifier, control stde
r
n
Fig 2b Universal amplifier, rear- open
k
Two
6-point
jacks at the front of the amplifier are for
connecting
the magnetic
head
cables.
The upper jack marked MAG NET IC RERECORDING (Magnetton-Um-
spielen) is used only for transferring sound on perforated magnetic film to the
magnetic edge track of 16 mm fi I m or vice versa.
4
-
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