Specifications; Tape Recorder Section; Analog Inputs And Outputs; Digital Inputs And Outputs - Tascam DA-78HR Owner's Manual

12 - Options, specifications and reference

12.2Specifications

12.2.1 Tape recorder section

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 A TF (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
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 16/24 bits linear (DTRS/DTRS-HR)
resolution
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
DA convertors 128 times oversampling,
24-bit
Supported timecode formats 30 drop, 30 non-drop, 29.97 drop,
29.97 non-drop, 25 and 24 fps
72
TASCAM DA-78HR
6% (0.1% steps)
switchable dither)

12.2.2 Analog inputs and outputs

Analog inputs (balanced)
Analog inputs (unbalanced)
Analog outputs (balanced)
Analog outputs (unbalanced)

12.2.3 Digital inputs and outputs

Digital I/O (unbalanced)
DIGITAL INPUT/OUTPUT
(COAXIAL, unbalanced)

12.2.4 Remote/sync connectors

Remote in/sync in
Sync out

12.2.5 Word sync terminals

Word sync in/thru
Word sync out

12.2.6 Timecode connectors

Timecode input
Timecode output

12.2.7 MIDI connectors

MIDI

12.2.8 Remote control connectors

Remote in
Remote punch in/out
D-sub 25-pin female
+4 dBu
Impedance: 20k
8 x RCA
–10 dBV
Impedance: 10 k
D-sub 25-pin female
+4 dBu
Impedance: 10k (loaded)
8 x RCA
–10 dBV
Impedance: 250
D-sub 25-pin female
TDIF-1 format
RCA connectors
D-sub 15-pin female
Conforms to REMOTE IN/SYNC
IN protocol
D-sub 15-pin female
Conforms to REMOTE IN/SYNC
IN protocol
BNC connector, 75 at TTL
level (THRU auto-terminated)
BNC connector, 75 at TTL
level
RCA connector
Input impedance: 10 k
Input level:
0.5 Vp-p to 10.0V p-p
RCA connector
Output impedance 100
Output level: 2.0 V p-p
IN, OUT, THRU (to MIDI
standards)
8-pin DIN connector (for use
with RC-808)
1/4" mono jack ( for use with
optional RC-30P footswitch)