Revox C270 Mode D'emploi page 82

Technical appendix
Technical data
All tape dependent audio da ta reler to the tape types:
IEC version: A GFAP EM 468
NAB version: 3M 226
Equipment type:
Tape path :
Ta pe transport:
Tape speed5:
Tolerance
2 -channel tape recorder
1 /. ' width (6.35 mm)
3-MolOr transport : 2 controlled AC spooling
motorS, 1 Hall-commuta ted capsta n motor.
electronically controlled.
9.5/ 19, 19(38 or 9.5/38cm/s selectable via
internal sw itches.
of the nomInal speed: ± O.2 %
Varispeed range: - 33
%
10 +
50 %
01 nom inal speed
Wow and flu1ter: hub diam. hub d iam
IWII]hted accord ing to DIN 45507) i;;; 10 cm iiii: 6c m
Tape slip:
Start-up time (acc. to DI
Winding time:
Reel si~e:
Tape deck control:
Tape cou nter:
Eq uallUltlons:
Frequen~y response:
Frequency response for
at 9.5 c01 / 5 < 0.1 % < 0.1%
at 19cm/s < 0.07 % < 0.1%
at 38cm( 5 < 0.05 % < 0.1%
ma x. 0.2 %
): max. 500 ms at 38 cm/s
approx. 130
s
for 110 0 m tape
approx. 90 s fo r 760 m tape
max. diameter 265 mm
mi croproces sor-controlled logic in clu ding lape
end sen sor, tacho rolle r status. and tap e tension
arm position.
Tape dump and fader sta r1 po ssible.
Rea l-time indicati on in hours. minutes and
seconds correspo nding
10
the selecte d
tape speed.
Accuracy: 0. 25 %
Zero locator. addre ss locator an d LOOP m ode
possible.
NAB and IEC as plu g-in modules in
record and reprod uce pa th.
NAB 9.5cm/ s:
19 cm! s:
38cm/s:
IEC 9.5 cm/s :
19 cm! s:
38cm!s:
(with tape, at - 20 VU )
at 9.5
cmls
30 Hz... 14 kH<:
50 Hz ,. 8 kHz
at 19 cm/s 30 Hz... 18 kHz
50 Hz ... 12 kHz
at 38 cm!s 30 Hz ... 22 kHz
50 Hz ... 16 kHz
90 - 3 180 l-l s
50 - 3180 l-ls
50 -3 180jJ s
90-31 80JJs
70 ps
35JJs
± 2 dB
± 1 dB
± 2dB
± 1 dB
±2dB
±1 dB
SYNC track reproduction : at 9.Scm/s 100 Hz .. 5 kHz + 2/ -3 d B
at 19 cm/s 100 Hz... 8kHz + 2/-3dB
at 38cm!s 100Hz... 12 kHz + 2/-3dB
'peak level recording: 514 nWb/m corresponds to: + 6 dB above OVU
Leve l meter:
Distortion:
vv- meter accora rng to A SA sta ndard with
peak LED 's for levels of: +6. +9 . + 12dB
Ik3
~t
11;Hz)
9.5cm/ s (400nWb/m)
19 cm/s (514 nWbjm)
38 cm/s (514 nWb/m)
<
1.5 %
< 1.2%
< 1.0 %
Signal-to-nolse ratio:
(with tapel
Cross-talk:
Era8e depth :
linearJA-\'Vei ghted lEe 17 9
IEC vers ion: 9.5 cmj s 1400 nWb/ m) > 56dBj 61 dB
19 cmjs (514 nWbfm) > 58 dB/64 dB
38 cm/ s (514 nWb/m) > 59 dB/ 65 dB
linear/A-weighted IE C 179
NAB version: 9.5 cm!s (400 nWb/ml >56 dB/ 6 1 dB
19cm/s (514 nWb/ m) >60 dB/65 dB
38cm/s (51
4
"Wb/ m) > 59 dB/ 54 dB
StAreo at 1 kHz
'vlono at 1 kH z
at 19 cm/s
at 38cm/s
> -50 d B
>-70dB
better than - 80 d B
better than - 75 d B
Inputs per chennel: 10 dBu
=
0.775 V)
LINE IN: balan ced input (XLR ) wi th rsolation transfor mer.
input resistanc e > 5 kohm
CAL (lEe): for 514 nWb/ m
+
5d8 u
Adjustment range - 10 ... + 16dBu
CAL (NA B): for operation level (O VU)
+
4d8 u
Adju stment range - 10 ."
-I-
16 dB u
UN CAL' possible increase + 10 dB each
Max. level : for f > 40Hz + 22 dB
.lI1lcrophone Inputs: (retrofi ttabl e)
Balanced inpu t (XLR ) w ith isolation transformer
Input,mpedance: 40Hz. .. 15 kHz > 1. 2 kohm
Sensitivity: "La " position - 70 d Bll ". - 36 dBu
"HI- position - 3 8 dBu ". - 8 dBu
Max. level -
8
dBu
Outputs per channel: (O dBu = 0.775 V)
LINE OUT: Balanced o utput IXLR) with iSOlation
transforme" ou tp ut impedance 800hm
CA L (l EC): fo r 514 nWb/ m, 5000hm + 6 dBu
Adjustment range - 20 ." + 15 d8u
CAL (NAB) : for OP leve l (O VU) .
60 0 ohm + 4 dB u
Adjus tm ent ra" ge - 20 '" + 15 dBu
UNCA L: poss ible increase + lOdB each
M ax. level: inlo 600 ohm
-I-
22 dB u
into 200 oh m -I- 20dBu
Phones: Jack socke t d iam. 6.3 mm, shon-Circuit -proo
Output volt age: al 51 4 nWb/ m ma x. 5.6 V
fo rO VU 2.8 V
Output imp edance: 220 ohm
Monitor: S·pin DIN socket
Output '.'olt age: at 514 nW b/ m max. 1.8 V
RS-232:
Fader/Sync:
Power inlet:
Power requ irements!
Power consumption:
Power fuse :
Operating conditions:
Operating position:
Weight:
External dimensions:
S ublect to chan"e.
fo r externa l supply + 24 V
Output imp edance: 4.7 koh rn
7-pi n DIN soc ket. seria l interface w ith
9600 bau d. 24 V supply for manual re mo te
control or ex terna l locator.
Full -duplex, 3-wi re con nection (GND, Tx. Rx)
1 sta rt bit, 1
s10p
bit. 8 da ta bits. no parity,
software han dshaking (Xon/Xo ff).
8-pi n DIN soc ket for iader sta rt an d
synchronization o f t he capsta n motor.
Con nection fo r data head.
3-pole8 with protective ground
(voltage se lec to r)
100. 120. 140. 200. 220, 21.l0 VAC 50 ". 60 Hz
max.
100 ... 140V:
200 ... 24 0 V:
125 W
T 3.15A/250 V (SLOW)
T 1.6 A/250 V (SLW.l
ambient air tempera ture
+
lO O C _ .. +4 0 °C
Relative humidity (DIN 40040) Category F
any pOSitio n beiween horizontal and vertical
Including rack brackets 23 kg
including rac k bra ckets
IW x H x D) 482 x4 43x 202 mm
w ithout rack bracke ts 434 x44 3 x 202 mm
Installation width
including rack b rackets 442 mm
':II=;