STUDER A 810

Description

STUDER A810 Specifications
Tape speeds
30 - 15 - 7.5 - 3.75 ips
(76.2 - 38.1 - 19.05 - 9.525 cm/s)
Equalization
NAB
CCIR
Variable speed
+/- 7 semitones from nominal
Tape speed deviation
+/- 0.2% max
Tape slip
0.1% max
Tape reels
NAB
CINE (EIA)
DIN
11.1-inch max reel diam
Tape width
1/4-inch (6.35 mm)
Wow and flutter
30 ips - 0.04% max
15 ips - 0.05% max
7.5 ips - 0.07% max
3.75 ips - 0.12% max
Start time
15 ips - 0.5 sec (1000m on DIN hub, 2500 ft on NAB hub)
Winding time
150 sec for 1000 m tape
120 sec for 2500 ft tape
Stopping time
max 3 sec
Tape tension (measured at left reel)
1/4-inch Repro/Record
0.75 N (0.6 - 0.9 N range)
1/4-inch Winding
0.75 N (0.4 - 1.0 N range)
Peak Tension - Start / Stop / Reverse
6N (3.0 - 6.0N range)
Inputs (transformer)
Impedance > 10 kOhm (30 - 20,000 Hz)
Outputs (transformer)
Impedance < 50 Ohm (30 - 20,000 Hz), Load > 200 Ohm
Equalization
NAB or CCIR
Switch selectable
Frequency Response (+/- 2 dB)
30 ips - 40 - 22,000 Hz
15 ips - 20 - 20,000 Hz
7.5 ips - 20 - 16,000 Hz
3.75 ips - 20 - 10,000 Hz
Frequency Response (+/- 1 dB)
30 ips - 40 - 20,000 Hz
15 ips - 40 - 18,000 Hz
7.5 ips - 30 - 12,000 Hz
3.75 ips - 30 - 8,000 Hz
Signal-to-Noise NAB (1/4-inch two-track 2.0 mm track, RMS, A-weighted)
30 ips - 74 dB
15 ips - 70 dB
7.5 ips - 72 dB
3.75 ips - 61 dB
Cross-Talk (at 1 kHz)
Stereo > 55 dB
Two-track > 65 dB
Power Consumption
Stop (no load) - 80 W
Record on 2 channels - 160 W
Spooling - 190 W
Max - 240 W
Disturbed Operation
100 msec transient line voltage failure
Ambient Temperature
10 - 40C (50 - 104F)
Relative Humidity
20 - 90%, non-condensing
Weight (Portable Version)
31 kg (68.2 lb) net
Dimensions (Console Version)
Depth - 642 mm
Width - 600 mm
Height - 1152 mm (with castors)
Dimensions (Portable Version)
Depth - 237 mm
Width - 483 mm
Height - 500 mm (without reels)