Motor, Line input, Line output – Tascam 122MKIII User Manual
Page 17: Bias/erase frequency, Reference recording level, Consumption, Typical performance, Speed accuracy, Wow & flutter, Fast winding time
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Specifications
Tape
: Compact cassette C-30 to C-90
(Normal/Cr02/Metal)
Track Format
: 4-track, 2-channel
Head Configuration
122 MKIII : 4-track, 2-channel
Record (xl)/repro (xl) combination
head (amorphous)
Half track
Erase head (xl) (ferrite)
112RMKII : 4-track, 2-channel
Record (xl)/repro (xl) combination
rotary head (permalloy)
Half track
Erase head (xl) (ferrite)
112MKII : 4-track, 2-channel
Record/repro head (xl) (permalloy)
Half track
Erase head (xl) (ferrite)
Motor
122 MKIII : EG servo direct-drive capstan motor x 1
DC servo reel motor xl
DC ancillary motor x 1
112R MKII/112 MKII :DC servo capstan motor xl
DC reel motor xl
DC ancillary motor x 1
Tape Speed
: 4.8 cm/sec. (1-7/8")
Pitch Control
: -i-/-12% (approx.)
Line Input
- Rear RCA jack/front 1/4" jack
Nominal Input Level: -10 dBV (0.3 V)
Minimum Input Level: -18 dBV (126 mV)
Input Impedance : 20k ohms, unbalanced
- XLR-type jack (standard on 122 MKHI; optional on
112R MKII/112 MKII—LA-112 required)
Nominal Input Level:
+4
dBm (1.23 V)
Input Impedance : 10k ohms, balanced
Line Output
- RCA jack (rear)
Nominal Output Level: -10 dBV (0.3 V)
Maximum Output Level: -2 dBV (0.8 V)
Output Impedance : 100 ohms
Load Impedance : 25k ohms or more
- XLR-tyep jack (standard on 122 MKHI; optional on
112R MKII/112 MKII—LA-112 required)
Nominal Output Level: +4 dBm (1.23 V)
Minimum Load Impedance : 600 ohms
Headphone Output
; 100 mW (8-ohm load)
Bias/Erase Frequency:
122 MKIII: 150 kHz
112R MKII/112 MKII; 100 kHz
Equalization
: 3180 ps-t-70 ps (Cr02/Metal)
3180 ps -t- 120 ps (Normal)
Reference Recording Level:
250 nWb/m = 0 VU (315 Hz) (EIAJ);
With Dolby : 200 nWb/m = -1 VU
Remote Connector
: 25-pin D-sub (see also page 9)
Power Requirements:
USA/Canada : 120 V AC, 60 Hz
U.K./Australia : 240 V AC, 50 Hz
Europe : 230 V AC, 50 Hz
Consumption :
122 MKin/112R MKII: 23 W
112 MKII: 20 W
Dimensions (WxHxL)
: 482 mm x 132 mm (rubber
feet not included)x 356.3 mm (19" x 5-3/16" x 14")
Weight:
122 MKm/112 MKII
:
8.4
kg
(18-8/16
lbs.)
112R MKII: 8.7 kg (19-3/16 lbs.)
Typical Performance
Speed Accuracy:
122 MKIII: -i-/-0.5%
112R MKII/112 MKII: +/-1.0%
Wow & Flutter! > ;
less than 0.04% WRMS
Fast Winding Time :
70 sec. (approx.) with C-60
Frequency Reponse, Overall2>
(EIAJ, without NR)
122 MKHI : 25 Hz to 20 kHz, +/-3 dB (Metal)
25 Hz to 19 kHz, +/-3 dB (Cr02)
25 Hz to 17 kHz, +/-3 dB (Normal)
112R MKII : 25 Hz to 19 kHz, +/-3 dB (Metal)
25 Hz to 18 kHz, +/-3 dB (Cr02)
25 Hz to 17 kHz, +/-3 dB (Normal)
112MKn : 25 Hz to 19 kHz,+/-3 dB (Metal)
25 Hz to 18 kHz, +/-3 dB (Cr02)
25 Hz to 16 kHz, +/-3 dB (Normal)
Distorsion^)
: less than 1.0%, at 1 kHz,
160 nWb/m (Metal)
S/N Ratio2>
(metal tape)
122 MKIII/112R MKII: 60 dB (without NR, ref.3%
THD, WTD)
70 dB (with Dolby-B NR, over 5 kHz)
80 dB (with Dolby-C NR, over 1 kHz)
112 MKII : 59 dB (without NR, ref.3% THD,
WTD)
68 dB (with Dolby-B NR, over 5 kHz)
78 dB (with Dolby-C NR, over 1 kHz)
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