Description
The D780 was the only DAT recorder manufactured by Studer.
The transport used is the same as in the Panasonic professional models SV-3700, SV-3800 etc.
Superb build quality with a large list of prefessional features..
Features
- 48V or 12V phantom power
- dedicated balanced mic input / output sockets
- variable output level (analog)
- monitor output jacks.
- unbalanced balanced digital out (S/P DIF or AES)
- unbalanced digital in (S/P DIF or AES)
- BNC clock input
- balanced digital out (S/P DIF or AES/EBU)
- balanced digital in (S/P DIF or AES/EBU)
- balanced line in / line out (transformer coupled)
- parallel remote (D-25)
- RS232 / RS422 serial interface (D-9)
Technical Specifications
| Equipment type | R-DAT two-head unit |
| Tape deck motors | 1 Hall-commutated capstan motor / 1 Hall-commutated head drum motor / 2 DC motors for loading and mode change |
| Tape speed | 8.15 mm/s / 12.2 mm/s (for prerecorded tapes) |
| Capstan speed tolerance | ±0.2% |
| Varispeed range | -10%~+10% of nominal speed (controllable via external reference: digital input, wordclock or parallel remote) |
| Head drum diameter | 30 mm |
| Track width | 13.6 µm |
| Acceleration time | Typ. 1s from PAUSE to PLAY / delay-free (<100ms) with quickstart |
| Spooling time | Approx. 45s (200× play speed for 120 min tape) |
| Tape timer display | Absolute time / Program time / Remaining time / TOC time (all h/min/sec) / Counter based on move pulses |
| Emphasis | 15/50 µs — switchable for analog input signals / automatically selected in play mode and during digital recording |
| Frequency response (44.1 kHz) | 20Hz~20 kHz ±0.4 dB (line input without emphasis) |
| Frequency response (48 kHz) | 20Hz~21 kHz ±0.4 dB (line input without emphasis) |
| A/D converter | Delta sigma, 64× oversampling |
| D/A converter | 18-bit, 8× oversampling |
| Harmonic distortion (0 dB, 1 kHz) | <0.006% |
| Harmonic distortion (0 dB, 10 kHz) | <0.01% |
| Harmonic distortion (-20 dB, 1 kHz) | <0.05% |
| S/N ratio (play only, linear) | 92 dBr |
| S/N ratio (play only, A-weighted IEC179) | 96 dBr |
| S/N ratio (record and play, linear) | 88 dBr |
| S/N ratio (record and play, A-weighted IEC179) | 92 dBr |
| Channel separation | >90 dB at 1 kHz |
| Output meter | Bargraph, 26 segments, digitally scanning PPM instrument with peak hold function |
| Line input connector | XLR, with transformer, balanced, floating |
| Line input impedance | >10 kΩ |
| Line input maximum voltage | +24 dBu (balanced) |
| Line input sensitivity (CAL) | +4 dBu~+24 dBu for peak level recording, internally adjustable, factory setting +15 dBu |
| Line input sensitivity (UNCAL) | Min. -3 dBu for peak level recording |
| Line input option connector | XLR, electronically balanced, transformerless |
| Line input option impedance | >10 kΩ |
| Line input option maximum voltage | +24 dBu (balanced) |
| Line input option sensitivity (CAL) | +4 dBu~+24 dBu for full scale recording, factory setting +15 dBu |
| Line input option sensitivity (UNCAL) | Min. -3 dBu for full scale recording |
| Mic input connector | XLR, with transformer, balanced, floating |
| Mic input impedance | 2 kΩ |
| Mic input sensitivity | -68 dBu / -56 dBu / -44 dBu for full scale recording (jumper setable) |
| Mic input maximum level | 120 mV |
| Phantom power supply | +12V DC / +48V DC, max. 30 mA |
| AES/EBU digital input connector | XLR, with transformer, balanced, floating |
| AES/EBU digital input impedance | 110Ω |
| AES/EBU digital input sampling frequencies | 32 kHz, 44.1 kHz, 48 kHz |
| SPDIF digital input connector | Cinch (unbalanced) |
| SPDIF digital input impedance | 75Ω |
| Line output connector | XLR, with transformer, balanced, floating |
| Line output impedance | <50Ω |
| Line output level | +4 dBu~+24 dBu for full scale recording, adjustable on rear panel, factory setting +15 dBu |
| Line output load | >200Ω |
| Line output option connector | XLR, electronically balanced, transformerless |
| Line output option impedance | <50Ω |
| Line output option level | +4 dBu~+24 dBu for full scale recording, factory setting +15 dBu |
| Line output option load | >200Ω |
| Headphone connector | 6.3 mm stereo jack |
| Headphone maximum output level | 7V, adjustable |
| Headphone impedance | 100Ω, short-circuit proof |
| Monitor output connector | Cinch (unbalanced) |
| Monitor output level (fixed) | 2V for full scale recording |
| Monitor output level (variable) | Max. 3V for full scale recording (jumper selectable to variable level via phones potentiometer) |
| Monitor output impedance | <500Ω |
| AES/EBU digital output connector | XLR, with transformer, balanced |
| AES/EBU digital output impedance | 110Ω |
| SPDIF digital output connector | Cinch, with transformer, unbalanced |
| SPDIF digital output impedance | 75Ω |
| Serial interface | RS-232, switchable to RS-422 on 9-pin D-type connector |
| Parallel remote | 25-pin D-type connector — fader start logic, 9.6 kHz clock for varispeed (ext. SYNC), feedback for tape deck functions |
| Wordclock input | Min. 1 Vpp, termination selectable between 75Ω and high impedance |
| Power supply voltages | 100V, 115V, 130V, 200V, 215V, 230V ±10% |
| Mains frequency | 50~60 Hz |
| Power consumption | Max. 55 VA |
| Power fuse (100-130V) | T 500mA slow |
| Power fuse (200-230V) | T 250mA slow |
| Operating temperature | +10°C~+40°C |
| Relative humidity | Category F (DIN 40040) |
| Operating position | Horizontal ±15 degrees |
| Dimensions | 483(W) × 143(H) × 392(D) mm (including rack ears and pads) |
| Installation clearance height | 132 mm (3 units without pads) |
| Installation clearance width | 442 mm (without rack ears) |
| Weight | 10.5 kg |
| Safety standard | EN 60065 / IEC 65 |
| EMC standard | EN 50081-1 / 50082-1 |
Gallery
Documents
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User Manual
Studer D780 User Manual
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Service Manual
Studer D780 Service Manual
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