Studer A810
Studer
Switzerland
Tape Deck Details
Number of Motors
Number of Heads
Head Configuration
Wow & Flutter
Signal-to-Noise [dB]
Dimensions [mm]
Weight [kg]
Year built
Head Composition
Equalization
Frequency Response
Speed
3¾, 7½, 15
Max Reel [inch]
Tracks
1/2 Rec/PB
Price
User
Pro
Additional Information
The Studer A810 is a legendary professional reel-to-reel tape deck widely used in studios and broadcast environments for its robust engineering, precision, and innovative features. Below is a technical overview:
Core Technical Features
Tape Format & Tracks: 2-track stereo recorder using ¼ inch (6.35mm) tape.
Tape Speeds: Selectable via front panel for 15, 7.5, or 3.75 inches per second (ips), with internal programming available for some combinations.
Tape Transport: Servo-controlled for high stability, with a microprocessor-controlled quartz reference and capacitive tachometer for precise speed regulation.
Headblock: Removable rigid precision headblock for easy maintenance; ceramic tape guides for low wear and consistent alignment.
Electronics & Controls
Microprocessor System: Oversees all operator controls, tape transport, and audio electronics switching. Allows immediate display of translated real time when changing tape speed.
Programmable Audio Parameters: All audio parameters—including level, treble, bass, and bias—are programmable and stored digitally for each tape speed and formulation; this eliminates traditional analog trimmers.
Digital Storage: Audio and configuration parameters are stored in non-volatile memory, maintaining settings even when powered off. Parameters can be backed up externally.
Audio Electronics: Features advanced phase correction circuits for record and playback amplifiers, ensuring excellent flat frequency response even at the spectrum's edges. Includes drop-in/drop-out compensation for seamless editing.
Metering, Standards, and Interfaces
Meters: Switchable for VU or PPM indication; VU meter panel can be separated via cable (in VUK versions) for flexible installation.
EQ Standards: Switchable tape equalization between NAB and CCIR (IEC) standards.
Remote & Computer Control: Offers a serial remote interface option for integration into automated systems.
Time Code Option: Version with third track for SMPTE time code recording, offering better than 90dB cross-talk rejection. Separate heads guarantee robust sync performance for AV and broadcast automation.
Operational Features
Tape Threading: Designed for ease of use, with clearly marked tension arms, pinch roller, and accessible headblock. Tape threading procedures cater to both professionals and novices, with hum shield control for best recording quality.
Varispeed: Optional infinitely variable speed adjustment (+/-7 semitones) using a helical potentiometer.
Editing Tools: Integrated tape marker and scissors available for clean tape cuts and splicing.
Physical & Usability
Rack Mount: Compact 19” rack-mountable chassis; portable design notable for lighter weight compared to larger Studer models.
User Customization: Programmable function keys and logical front-panel groupings make the A810 highly user-friendly and customizable for workflow needs.
The Studer A810 represents the pinnacle of analog tape technology, combining sophisticated microprocessor control with precision tape mechanics and advanced audio circuitry. Its reputation for reliability, flexibility, and sonic excellence has made it a studio classic for decades