Revox C270 User Manual

Technical appendix
Technical data
All tape dependent audio data refer to the tape types:
IEC version: AGFA PEM 468
NAB version: 3M 226
Equipment ty
Tape path:
pe:
Tape transport:
Tape speeds:
»
Tolerance
2-channel tape recorder
4" width (6.35 mm)
3-Motor transport: 2 controlled AC spooling
motors, 1 Hail-commutated capstan motor,
electronically controlled.
Inputs per channel:
L
(0 dBu=0.775V)
E IN: balanced input (XLR) with isolation transformer,
input resistance >5kohm
CAL (IEC): for 514 nWb/m + 6dBu
Adjustment range -10...4+16dBu
CAL (NAB): for operation level (OVU) + 4dBu
Adjustment range -10...+16dBu
UNCAL: possible increase +10 dB each
Max. level: for f>40 Hz +22 dBu
9.5/19, 19/38 or 9.5/38cm/s selectable via
internal switches.
of the nominal speed: +0.2%
Varispeed range: -33% to +50% of nominal speed
Wow and flutter: hub diam. hub diam.
(weighted according to DIN 45507) 210cm 26cm
at 9.5cm/s <0.1% <0.1%
at 19cm/s <0.07% <0.1%
at 38cm/s <0.05% <0.1%
Tape slip: max. 0.2%
Start-up time (acc. to DIN):
max. 500 ms at 38. cm/s
Winding time: approx. 130s for 1100 m tape
approx. 90s for 760m tape
Reel size: max. diameter 265mm
Tape deck control:
Tape counter:
Equalizations:
Frequency res
ponse:
Frequency res
SYNC track re
ponse for
production:
microprocessor-controlled logic including tape
end sensor, tacho roller status, and tape tension
arm position.
Tape dump and fader start possible.
Real-time indication in hours, minutes and
seconds corresponding to the selected
tape speed.
Accuracy: 0.25%
Zero locator, address locator and LOOP mode
possible. :
NAB and IEC as plug-in modules in
record and reproduce path.
NAB 9.5 cm/s: 90 -3180us
19.cm/s: 50-3180yus
38 cm/s: 50-3180us
IEC 9.5cm/s: 90-3180us
19.cm/s: 70us
38 cm/s: 35us
{with tape, at - 20 VU)
at9.5cem/s 30Hz...14kHz +2dB
50Hz... 8kHz +1dB
at19cm/s 30Hz...18kHz +2dB
50Hz...12 kHz +1dB
at 38cm/s 30Hz...22 kHz +2dB
5OHz... 16 kHz +1dB
at9.5cm/s 100Hz... 5kHz +2/-3dB
at19cm/s 100Hz... 8kHz +2/-3dB
at 38cm/s 100Hz...12 kHz +2/-3dB
Peak level rec
ording:
Microphone inputs:
Input impedance:
Sensitivity:
Outputs per channel:
LINE OUT:
(retrofittable)
Balanced input (XLR) with isolation transformer
40 Hz...15 kHz >1.2 kohm
“LO” position -70dBu...-36dBu
“HI” position -38dBu..- 8dBu
Max. level - 8dBu
(0 dBu=0.775V)
Balanced output (XLR) with isolation
transformer, output impedance 80 ohm
CAL (IEC): for 514nWb/m, 6000hm + 6dBu
Adjustment range -20...+15dBu
CAL (NAB): for OP level (O VU),
600 ohm + 4dBu
Adjustment range -20...+15dBu
UNCAL: possible increase +10 dB each
Max. level: into 600 ohm +22 dBu
into 200 ohm +20dBu
Phones: Jack socket diam. 6.3 mm, short-circuit-proof
Output voltage: at 514nWb/m max. 5.6V
for OVU 2.8V
Output impedance: 220 ohm
Monitor: 8-pin DIN socket
Output voltage: at 514nWb/m max. 1.8V
for external supply +24V
Output impedance: 4.7 kohm
RS-232: 7-pin DIN socket, serial interface with
9600 baud, 24V supply for manual remote
control or external locator.
Full-duplex, 3-wire connection (GND, Tx, Rx)
1 start bit, 1 stop bit, 8 data bits, no parity,
software handshaking (Xon/Xoff).
Fader/Syne: 8-pin DIN socket for fader start and
Power inlet:
synchronization of the capstan motor.
Connection for data head.
3-poles with protective ground
Power requirements:
(voltage selector)
Power fuse:
100, 120, 140, 200,220, 240VAC 50... 60 Hz
Power consumption: max. 125W
100...140V: T 3,15 A/250V (SLOW)
200...240V: T 1.6A/250V (SLOW)
Operating conditions:
ambient air temperature +10°C ...+ 40°C
Relative humidity (DIN 40040) Category F
Operating position:
514nWb/m corresponds to: +6dB above OVU
Level meter:
VU-meter according to ASA standard with
peak LED’s for levels of: +6,+9,+12dB
Distortion: (k3 at 1kHz)
9.5 cm/s (400 nWb/m) <1.5%
19.cm/s (514nWb/m) <1.2%
38 cm/s (514 nWb/m) <1.0%
he
Signal-to-nois
e ratio: (with tape}
linear/A-weighted IEC 179
IEC version: 9.5 cm/s (400 nWb/m) >56 dB/61 dB
19cm/s (514nWb/m) >58 dB/64 dB
38cm/s (514nWb/m) >59 dB/65 dB
linear/A-weighted IEC179
NAB version: 9.5 cm/s (400 nWb/m) >56 dB/61 dB
19cm/s (514nWb/m)} >60 dB/65:dB
38 cm/s (514 nWb/m) >59 dB/64dB
Cross-talk: Stereo at 1kHz >-50dB
Mono at 1kHz >-70dB
Erase depth:
better than -80dB
better than -75dB
at 19cm/s
at 38cm/s
Weight:
any position between horizontal and vertical
Including rack brackets 23 kg
External dimensions: including rack brackets
(WxHxD) 482x443 x202mm
without rack brackets 434x443 x202mm
Installation width
including rack brackets 442mm
Subject to change.

Revox C270 Specifications

General

Brand	Revox
Model	C270
Category	Cassette Player
Language	English