STUDER REVOX C278 User Manual

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nÄ/ox
c?78
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The C278
tape
recorder
requires
no
regular
maintenance
other
than
occasional
cleaning
of the
capstan
=ha4t,
the
pinch roller.
the
sor-rndheads,
and
the tape
guide=,
and
demagnetization
o+
all
metal
parts
that
come
in
trontect
r+ith the
tape.
For this
purFose we
reco,nmend
the
FEVOX
cleaning
kit
(part
Ns' 10.04?.O02-01).
Cleaning:
l'loisteJ
ä
+ett
gtick
with
cleaning
fluid
and
clean
all
tape
guidance elementg-
Then
dry
the
cleaned
parts
with
a nee.r
clean
fslt
Er+äb
or cleaning
web'
Inportant:
Hal:e
seire
that
no cleaning
{luid
penetrateg
into
the
bearinq
of the
capstan
sha+t
becäuse
thig
would
damage
the
bearings-
Demagnetizing:
Switsh
o{*
the
tepe
recsrder
and
move
the
tape
suf{iciently
{Är
away
frsrn
the
recorder'
SIswlY
move
the
tip
of
the
energiEed
choke
very
close
to
the
part
to be
demaqnetized
and
after
a brief
.no.nent
reträct
it slowly.
Repeat
this
procedure
for
Äll metäl
parts
that
cofie
in contact
with
the tape
{soundheads,
tape
guidance
elementg"
guide rollers.
li{ting
pini.
l{ithdraw
the
choke
from the
recorder
iapprcrli-
5O
cmi be+ore
you
sr.litch
it
off-
Caution:
If
the choke
cotnes
too
closs
tc the
tapes.
they
will
be demagnetizedl
The
track
configuration
of the
C27E
is
shor*n
in the
{ollowin_o
diagram:
E*qu-p*rj,-4.-ät*i-o1:l*s-..*LIF---C-,*-N-fl-*8"-1"."
Equalization
networks
are
built
into
the
record
and
reproduce
path
o+
the
tape
recerders
+or
correcting
the
frequentry
respt:nse-
The
attack
ptrints
clf
the
correction
circuits
are
referred
to as
tran5itiBn
frequencies
or
tran=ition
time
csnstants
and depend
on the
tape
speed.
They
have
been
standardized
by
varioeis
organizations
iIEC,
NAB' AES'
CCiFi
as
iollowE:
In
the
C?7A
tepe
recorderr
the
equalization
networks
are
plugged
into the
RECORD
trONTRAL
BOARD
L.777.7?A.O0
and the
PLAY AI{PLIFIER
BIIARD
1.777-74fr.OO.
lrlith
this
desiqn
it
i5
possible
to
convert
your
recorder
to
dif{erent
speeds
clr
to
other
equalization
standards.
Al..!*.e_"r*ne"_te___t..B-p-e*-..9-pe-e--d*s*
The
REVAX
C77&
tape
recorderg
cän
easily
be
converted
to other
tspe
speeds.
You
r.rilt
only need the
correspt:ndinq
plug-in boards
for
the desired
tape
speeds
of
the atrFlicable
eqr-ralization
ständard
(IEC
or NAE)'
Bne
rec(]rd
Fluq-in
board
accommodateg
the
equali=atian
network
o+ t]ne channeli
one reproduce
board
äctrBmrnodÄtes
tws channels.
This meang
that
you
need
I
plug-in
boards
{or the
recsrd
path
end
4 fsr
the retrrodutre
path.
0,9mm
Track
1
Track
2
Track
3
Track
4
-/7O,7mm
/zO,9mm
'zO,7mm
.-
---
0.9mm
--0,9mm
--
O,7mm
-
0,9mm
-
0.7mm
--
0,9mm
--
0,7mm
l-..--
o,gmm
=--
ö:t;;
t:=0,9mm
--\-o,7mm
-0,9mm
Track
5-
Track 6-
Track
7
Track 8-
TAPE SPEED
TRANSITION
FREOUENCY
LOI'J
AND
HI6H
(TRANS.
TII'IE
CONSTANTS}
r Ec-
1 96El
NAB-
1
965
9.5
cm/-
3.75
ips
5D H=;
t76A
Ha
(31E}Opr=i
gülts)
5[
Hzi
1758
HE
iSlB8trs;
gBF=i
tg
Em/g
7.5
ips
5O
H=; 2737
Hz
io;
TBps)
30
H=i
J183
Hz
t31E}üp=;
SBp=l
3E}
rmls
15
ips
5ü
Hz:
4347 Hz
{ol f,5lrsi
50
Hzt
3lElf,
Hr
i31€BFsi
5ÜFsi
TAPE SPEED STAN-
DARD
PART NO.
PLU66ED INTO!
9 ,3/
L9cn/
s
I
9/SBc m/
s
9.5/SBcm/s
NAB
NAB
NAB
1,777.7?6.04
1,777,7?B.40
1,777.730.44
RECORD
EONTROL
BOARD
RECORD
CONTRBL
BOARD
RECORD
CONTROL
BOARD
9,3/ t9cn/s
19/3Bcm/s
9.3/38cn/g
IEC
IEC
IEC
1.777 .732.trß
1,777 ,7S4.OO
1.777.736.O0
RECORD
CONTROL
BOARD
RECORD CONTROL
BOARD
RECORD CONTROL BOARD
i ,3/
L9cn/
g
I
9/38cm/s
9.5/sgcn/ a
NAB
NAB
NAB
1.777 .746.00
1.777,748.OO
1.777.750.4O
PLAY
AMPLIFIER
BOARD
PLAY AHPLIFIEF
BOARD
PLAY AMPLIFIER
BI]ARD
i.3/ l?cn/a
L9/38cn/s
9.5/38cm/E
IEC
IEC
IEC
1,777
.7e2,OE
1,777
.734.OO
1,777.7e6.04
PLAY
AMPLIFIER
BOARD
PLAY
AMPLIFIER
BOARD
PLAY AMFLIFIER EOARD

STUDER REVOX C278 Specifications

General

Brand	STUDER REVOX
Model	C278
Category	Measuring Instruments
Language	English