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Sony TA-F70 User Manual

Sony TA-F70
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English.
oe
;
The
Sony
TA-F70
design
is
based
on
the
‘‘true
high-fidelity”
con-
cept
to
exclude
any
distortion
which
could
degrade
the
tonal
quali-
ty,
and
thus
establishes
a
high
order
of
performance.
The
interference
between
the
pre-
and
power
amplifier
is
reduced
to
a
minimum
by
a
carefully
designed
and
unique
circuit
layout;
in-
dependently
located
pre-
and
power
amplifier,
each
selector
and
unit
located
in
the
sequence
of
the
signal
path,
and
the
shortest
possible
wiring
so
as
to
minimize
wiring
losses.
The
TA-F70
features
a
high-gain
dc
power
amplifier
using
Hi-f7
power
transistors
and
the
newly-developed
Thermo
Dynamic
Cool-
ing
System
using
a
heat
pipe,
and
pulse
techniques
in
the
power
supply
section
which
provides
a
most
efficient
and
stable
power
supply
which
reduces
hum
to
a
negligible
low.
The
amplifier
pro-
vides
90
watts
RMS
per
channel
into
8-ohm
loads
from
20
to
20,000
Hz
with
iess
than
0.007%
harmonic
distortion.
The
TA-F70
also
includes
a
low-noise
head
amplifier
for
moving-coil
cartridges,
LED
PEAK
POWER
LEVEL
indicators
for
each
channel,
a
low
filter
in
the
phono
signal
path,
and
a
TAPE
COPY
selector.
WARNING
To
prevent
fire
or
shock
hazard,
do
not
expose
the
unit
to
rain
or
moisture.
To
avoid
electrical
shock,
do
not
open
the
cabinet.
Refer
servicing
to
qualified
personnel
only.
TABLE
OF
CONTENTS
Unpacking
2-0-4
2
ab
a a
EE
A
soe
ee
3
Precautions
.
2...
3
SystemconnectionS
..
2...
6.
4
Connectionnotes
...
2.0...
0.0
ts
5
Connection
diagram...
2...
ee
6
Speakerconnection
...
1.2...
6.
eee
es
7
Program
source
connections
....-
+e
ee
ees
7
Groundconnection.
...
2.0...
000+
eee
ts
7
Operating
instructions
..
2...
2
8
8
initial
operation
Soundadjustments
.....
2...
0.6.0
ee
eee
ets
9
Taperecording
..
1...
9
Front
panel
facilities
©...
0...
10
Careofyouramplifier..
2...
2
12
Trouble
checks...
2...
.
ee
12
Cleaning
2...
0.
12
Specifications.
©...
12
Operatingcurves
©...
13
Block
diagram
and
circuit
descriptions...
66.
eee
eres
14

Table of Contents

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Sony TA-F70 Specifications

General IconGeneral
BrandSony
ModelTA-F70
CategoryAmplifier
LanguageEnglish

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