Tascam 122
Mechanical
Tape: Philips Type Cassette C-60 and C-90
Track Format: 4-Track 2-Channel Stereo
Tape Speed: 1-7/8 ips and 3-3/4 ips
Speed Accuracy
1-7/8 ips: ±0.5% Deviation
3-3/4 ips: ±0.5% Deviation
Wow & Flutter
1-7/8 ips
±0.085 % peak (DIN/IEC/ANSI weighted)
±0.18% peak (DIN/IEC/ANSI unweighted)
0.06% (NAB weighted)
0.11% (NAB unweighted)
3-3/4 ips
±0.055 % peak (DIN/IEC/ANSI weighted)
±0.13% peak (DIN/IEC/ANSI unweighted)
0.04% (NAB weighted)
0.07% (NAB unweighted)
Fast Wind Time: 90secs.for MTT-501 (C-60)
Motor
1x FG Servo Controlled DC Motor
1x DC Reel Motor
Head Configuration: 3 Heads; Erase, Playback/Record
Dimensions: 482x147x345 mm
Weight: 9 kg
Electrical
Line Input
Input Impedance: 50k ohms unbalanced
Maximum Source Impedance: 10k ohms or less
Nominal Input Level: -14 dBV (190mV)
Minimum Input Level: -24 dBV (60 mV)
Line Output
Minimum Load Impedance: 25k ohms or more, unbalanced
Output Impedance: 3.5k ohms or less
Nominal Output Level: -10 dBV (0.3 V)
Maximum Output Level: -7.5 dBV (0.42 V)
Headphone Output: 100 mW Maximum at 8 ohms
Bias Frequency: 100 kHz
Equalization
1-7/8 ips
3180 μs.+ 70 μs.
3180 μs. + 120 μs. switchable
3-3/4 ips
3180 μs.+ 35 μs.
3180 μs.+ 50 μs. switchable
Frequency Response³ (Record/reproduce)
1-7/8 ips
35 Hz - 14 kHz ±3 dB at -20 VU
35 Hz - 6.3 kHz ± 3dB at OVU
3-3/4 ips
35 Hz - 20 kHz ±3 dB at -20 VU
35 Hz - 15 kHz ± 3 dB at OVU
Total Harmonic Distortion³: 1% at 0VU, 1 kHz, 160 nWb/m
1-7/8 ips 3% at 9 dB above OVU, 1 kHz, 451 nWb/m
3-3/4 ips 3 % at 10 dB above 0 VU, 1 kHz, 506 nWb/m
Signal to Noise Ratio at a reference of 3 % distortion level
1-7/8 ips
58 dB weighted
55 dB unweighted
92 dB weighted with DBX
3-3/4 ips
63 dB weighted
58 dB unweighted
92 dB weighted with DBX
Adjacent Channel Separation: Better than 35 dB at 1 kHz
Erasure: Better than 65 dB at 1 kHz + 10 VU reference
Headroom
Recording Amplifier: Better than 19 dB above 0 VU
Reproduce Amplifier: Better than 19 dB above 0 VU
Power Requirements: 220 V AC, 50 Hz, 41 watts