The Studer A810 is a 19-inch rack-mountable 2-track 1/4-inch tape machine, originally marketed to hobbyists and archivists. The machine was labelled a 'compact unit' by Studer for its smaller form-factor.

The STUDER A810 is a popular model among hobbyists and archives. Hobbyists and archivists both like the A810 for its solid performance, flexibility, and relatively compact form factor - in fact, STUDER officially calls the A810 a "compact model". The STUDER A810 is not in the same league as the STUDER Master Recorders such as the STUDER A820, STUDER A800 and the STUDER A80, but it neither costs as much nor is as physically large.

Unlike the STUDER A820, there is a relative abundance of used STUDER A810 parts and machines. Consider that nearly ten times more STUDER A810 Professional Tape Recorders were manufactured than STUDER A820 Master Recorders.

 

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)

The Gear Rack

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