Tascam 234
Профессиональная 4-х канальная кассетная дека. Существует 2 версии, различные по скорости: 4,75 или 9.5 cm/sec. Безусловно, может быть использована в 2-х канальном режиме «стерео». 4 VUиндикатора, 4 секции управления каналами Уровень входного и выходного сигналов, цифровой счётчик, система шумопонижения DBX, разъем для подключения наушников с регулировкой их громкости, возможность переключения между 4-мя входными каналами. Потребляемаямощность 30Вт.
Mechanical
Tape: Compact Cassette, C-30 to C-90, chrome (cobalt) tape (70 µs EQ)
Track Format: 4-track, 4 channel one direction recording/playback
Heads
4x channel record/playback (Permalloy)
4x channel erase (Ferrite)
Motors
1x FG servo-controlled DC capstan motor
1x DC reel motor, 1 DC control motor
Tape Speed 1: 9.5 cm/s (3-3/4 ips) ±1%
Pitch Control: ±12% of normal tape speed
Wow & Flutter1: ±0.06% peak (DIN/IEC/ANSI weighted) 0.04% (NAB, weighted)
Fast Wind Time: Approx. 85 seconds for C-60 tape
Recording Time: 15 minutes for C-60 tape
Dimensions: 482x147x357 mm
Weight: 9.8 kg
Electrical
Mixer Section
MIC/INST Input
Input Impedance: 100k ohms, unbalanced
Nominal Input Level: -60 dBV (1 mV) to -10 dBV (0.3 V)
Min. Input Level: -70 dBV (0.3 mV), at TRIM max.
Max. Input Level: +15 dBV (5.6 V), at TRIM min.
Line In
Input Impedance: 22k ohms, unbalanced
Nominal Input Level: -10 dBV (0.3 V)
Min. Input Level: -20 dBV (0.1 V), at INPUT max.
Max. Input Level: + 15 dBV (5.6 V)
Line Out
Output Impedance: 100 ohms
Nominal Load Impedance: 10k ohms
Minimum Load Impedance: 1.7k ohms
Nominal Output Level: -10 dBV (0.3 V)
Maximum Output Level: + 15 dBV (5.6 V)
Cue Out (L,R)
Output Impedance: 100 ohms
Nominal Load Impedance: 10k ohms
Minimum Load Impedance: 1.7k ohms
Nominal Output Level: -10 dBV (0.3 V), PAN fully L/R
Maximum Output Level: + 15 dBV (5.6 V)
Phones Output (Stereo)
Nominal Load Impedance: 8 ohms
Minimum Load Impedance: 4 ohms
Maximum Output Level: 100 mW (8 ohms)
Frequency Response: 20 Hz - 20 kHz +0/-2 dB
S/N Ratio One mic/inst in to line out
68 dB (Trim max.)/82 dB (TRIM min.) (IHF, A weighted)
64 dB (Trim max.)/78 dB (TRIM min.) (unweighted, 20 - 20,000 Hz)
One line in to line out: 82 dB (IHF, A weighted); 78 dB (unweighted 20 - 20,000 Hz)
Total Harmonic Dist.: 0.05% (1 kHz, OVU)
Crosstalk: 65 dB (1 kHz)
Peak Level Indicators: Light up at 8 dB above OVU
Recorder Section
Record Channels: 4 (4 dbx II NR, switchable)
Playback Channels: 4 (4 dbx II NR, switchable)
Record Level Calibration: 160 nWb/m tape flux level (0 VU reference)
Bias freq.: 100 kHz
Equalization: 3180µs + 70μs
Overall Freq. Response²: 40 Hz - 14,000 Hz ±3 dB at 0 VU (Rec/Repro)
Signal-to-Noise Ratio² Referenced to 3 % THD level [285nWb/m] at 315 Hz
54 dB (dbx Out, IHF, A weighted 400 Hz)
52 dB (dbx Out, unweighted, 20 Hz - 20,000 Hz)
95 dB (dbx In, IHF, A weighted 1 kHz)
90 dB (dbx In, unweighted, 20 Hz - 20,000 Hz)
Total Harm. Distortion²: 1.0% (400Hz,OVU)
Crosstalk: 70 dB (1 kHz, OVU, dbx IN)
Erasure: 70 dB referenced to 285 nWb/m at 1 kHz
Power Requirements: 220 V AC, 50 Hz, 30W