TASCAM Porta studio 414 MkII

MECHANICAL CHARACTERISTICS
Tape: Compact Cassette (C-60 to 90), High-Bias (CrO2)
Track Format: 4-track/4-channel
Head Configuration: 4-channel record/play (permalloy) x 1 4-channel erase (ferrite) x 1
Motor: DC servo motor x 1
Tape Speed: 9.5 cm/sec. (3-3/4 ips)
Pitch Control: ± 10 % (approx.)
Wow and Flutter: 0.2% WRMS or less
Equalizer: HIGH (Shelving): 10 kHz, ±10 dB LOW (Shelving): 100 Hz, ±10 dB
Frequency Response:
MIC INPUT to LINE OUTPUT: 20 Hz to 20 kHz ±3 dB
LINE INPUT to LINE OUTPUT: 20 Hz to 20 kHz ±2 dB
LINE INPUT to MONITOR OUTPUT: 20 Hz to 20 kHz ±2 dB
LINE INPUT to EFFECT OUTPUT: 20 Hz to 20 kHz ±2 dB
LINE INPUT to PHONES: 40 Hz to 20 kHz ±3 dB
Signal-to-Noise Ratio: (20 Hz to 20 kHz, B.P.F. inserted)
1 MIC INPUT to LINE OUTPUT 65 dB (at a nominal input level of –60 dBV)
4 MIC INPUTS to LINE OUTPUT 60 dB (at a nominal input level of –60 dBV)
1 LINE INPUT to LINE OUTPUT 75 dB (at a nominal input level of –10 dBV)
4 LINE INPUTS to LINE OUTPUT 70 dB (at a nominal input level of –10 dBV)
Record Channel: 4-track single direction
Noise Reduction: dbx* Type II
Overall Frequency Response: 40 Hz to 10 kHz, ±3 dB (wihtout dbx)
Overall Signal-to-Noise Ratio: 85 dB (at 1 kHz, ref. to 3% THD, “A” weighted, with dbx) Total Harmonic Distortion (THD): 2.0% (at 1 kHz, nominal input level, with dbx)
Channel Separation: 40 dB (at 1 kHz, nominal input level, with dbx)
Erasure: 65 dB or greater (at 1 kHz, B.P.F. inserted)