Tascam DA-78HR Manuel D’Utilisation

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12 - Options, specifications and reference
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TASCAM DA-78HR
12.2Specifications
12.2.1 Tape recorder section
12.2.2 Analog inputs and outputs
12.2.3 Digital inputs and outputs
12.2.4 Remote/sync connectors
12.2.5 Word sync  terminals
12.2.6 Timecode connectors
12.2.7 MIDI connectors
12.2.8 Remote control connectors
Format
DTRS/DTRS-HR format
Recording method
Rotary-head, helical-scan method
Tape type
Hi8 MP tape / Hi8 ME
Head  construction
2 x record, 2 x playback
Tracking method
ATF (Automatic Track Finding)
Erasure method
Overwrite
Drum speed
2,000 r.p.m.
Tape speed
15.955 mm/sec.
Equivalent tape speed
4.2 m/sec.
Maximum recording time
108 min. (using P6-120  tape)
Time to play from stop
Less than 2 seconds
Fast forward/rewind time
80 seconds (using P6-120 tape)
Search speed
Maximum of 100 x play speed
Shuttle speed
Forward and reverse at 8.0, 4.0, 
2.0, 1.0, 0.5 and 0.25  play speed 
(1.0 speed available only in forward 
shuttle mode)
Vari speed
±
6% (0.1% steps)
Positioning accuracy
To 1 sample
Positioning lock time
Within 8 seconds (when locating 2 
DA-78HRs synced together)
Number of recording tracks
8
Sub-code
ABS track, SMPTE/EBU timecode 
facility
Error correction
Double-encoded Reed-Solomon 
code
Sampling frequency
44.1 kHz, 48 kHz
Recording/playback 
resolution
16/24 bits linear (DTRS/DTRS-HR)
Reference level
–16 dB (full bit)
Cross-fade time
10ms to 200ms (10ms increments)
Track delay 
–200 to +7,200 samples  (–4 to 
+150 ms) in single-unit  increments. 
Can be set in samples or ms. 
Offset
±2 hours (to sample accuracy)
Sync clock
Internal,  WORD or  SPDIF
AD  convertors
128 times oversampling, 
24-bit 
∆Σ (
switchable dither)
DA convertors
128 times oversampling, 
24-bit 
∆Σ
Supported timecode formats 30 drop, 30 non-drop, 29.97 drop, 
29.97 non-drop, 25 and 24 fps
Analog  inputs (balanced)
D-sub 25-pin female
+4 dBu
Impedance: 20k
Ω
Analog  inputs (unbalanced)
8 x  RCA
–10 dBV 
Impedance: 10 k
Ω
Analog  outputs (balanced)
D-sub 25-pin female
+4 dBu 
Impedance: 10k
Ω 
(loaded)
Analog  outputs (unbalanced)
8 x  RCA
–10 dBV 
Impedance: 250
Ω
Digital I/O (unbalanced)
D-sub 25-pin female
TDIF-1 format
DIGITAL INPUT/OUTPUT 
(COAXIAL, unbalanced)
RCA connectors
Remote in/sync in
D-sub 15-pin female
Conforms to REMOTE IN/SYNC 
IN protocol
Sync out
D-sub 15-pin female
Conforms to REMOTE IN/SYNC 
IN protocol
Word sync in/thru
BNC connector, 75
Ω
  at TTL 
level (THRU auto-terminated)
Word sync out
BNC connector, 75
Ω
 at TTL 
level
Timecode input 
RCA connector
Input impedance: 10 k
Ω
Input level: 
0.5 Vp-p to 10.0V  p-p
Timecode output
RCA connector
Output impedance 100
Ω
Output level: 2.0 V p-p
MIDI
IN, OUT, THRU (to MIDI 
standards)
Remote  in
8-pin DIN connector (for  use 
with RC-808)
Remote punch in/out
1/4” mono jack ( for use with 
optional RC-30P footswitch)