Specifications - Tascam PortaStudio 424 Owner's Manual

, Specifications
I Mechanical I Signal-to-Noise Ratio (at Nominal Input Level)
Characteristics
I
UNWTD(20 Hz to 20 kHz)
MIC IN to L/R LINE OUT: 66 dB at Trim Max.
Tape: Compact Cassette (C-30 to 90), High- Bias (Type II, CrO2) LINE IN to L/R LINE OUT: 70 dB
Track Format 4-track/4-channel, single directional record/play Total Harmonic Distortion (THD)
Head Configuration: 4-channel record/play (Permalloy) ×1 MIC IN to L/R LINE OUT: 0.06% (at 1 kHz, 10 dB above nominal input level, with 30
! 4-channel erase (ferrite) ×1 kHz low-pass filter inserted)
Motor: DC serv0 capstan motor xl LINE IN to L/R LINE OUT: 0.04% (at 1 kHz, nominal input level with 30 kHz low-pass
DC reel motor ×1 filter inserted)
Tape Speed: HIGH: 9.5 cm/sec.(3-3/4 ips) Crosstalk: 55 dB (at 1 kHz, nominal input level with 30 kHz low-pass
NORM: 4.8 cm/sec.(1-7/8 ips) filter inserted)
SLOW: 2.4 cm/sec.(15/16 ips)
Tape Speed Accuracy: +1% (at HIGH and NORM)
Pitch Control: _+12% (approx.) Recorder Section
Wow end Flutter: 0.07% WRMS, +1.2% W.Peak at NORM
0.05% WRMS, _+1.0% W.Peak at HIGH Record/Playback Channel: 4 in number (4 channel simultaneous)
Fast Winding Time: 100 sec. (approx.) with C-60 Noise Reduction: dbx* Type II (Off on ch.4 with the DBX switch at SYNC)
Dimension (WxHxD): 366 x 110 x 304 mm (14-7/16" x 4-5/16" x 11-15/16") Frequency Response (overall): 40 Hz to 16 kHz, ±3 dB (at HIGH speed)
Weight: 2.5 kg (5.51 Ibs) 40 Hz to 12.5 kHz, ±3 dB (at NORM speed)
Signal-to-Noise Ratio (overall): UNWTD(20 Hz to 20 kHz)/IHF A WTD
HIGH : 55 dB/58 dB (without dbx)
90 dB/95 dB (with dbx)
Electrical Characteristics I NORM: 54 dB/56 dB (without dbx)
J
88 dB/93 dB (with dbx)
Total Harmonic Distortion (THD): 1.0% or less (at 1 kHz, 0 dB) _
MIC/LINE IN (1/4" phone jack x4) Crosstalk (adjacent channels): 70 dB (at 1 kHz, 0 dB, with dbx)
Input Impedance: 50k Ohms 50 dB (at 1 kHz, 0dB, without dbx)
Nominal Input Level: -50 dBV (3mV) at Trim Max. -10 dBV (0.3 V) at Trim Min. Erasure: 70 dB or less (at lkHz, BPF inserted)
Maximum Input Level: +6 dBV (1.8 V) at Trim Min. Power Requirement : 12 V DC, 1100 mA, via the provided AC-DC adaptor
STEREO INPUTS (1/4" stereo phone jack x2) PS-P424
Input Impedance: 10k ohms Power Consumption: 18 W
Nominal Input Level: -10 dBV (0.3 V)
Minimum Input Level: -16 dBV (0.15 V) In these specifications, 0 dBV is referenced to 1 Volt. Actual voltage levels are also given in parenthesis
LINE OUT L & R/TAPE OUT 1-2 (RCA jack x2) (0.316 V for -10 dBV rounded off to 0.3 V).
Output Impedance: lk ohms
Nominal Output Level: -10 dBV (0.3 V) * dbx is a registered trademark of dbx Incorporated.
SYNC IN/TAPE OUT 3 (RCA jack xl)
In_)ut Impedance: 5k ohms
Nominal Input Level: -10 dBV (0.3 V)
Output Impedance: lk ohms v . .
Nominal Output Level: -10 dBV (0.3 V)
SYNC OUT/TAPE OUT 4 (RCA jack xl)
Output Impedance: lk ohms
Nominal Output Level: -10 dBV (0.3 V) @ O @ @ @ @ /
EFFECT SEND/Tape Cue Out (1/4" stereo phone jack xl) O _I I _) I1
Output Impedance: lk ohms _ _ _ ___ © --
Nominal Output Level: -10 dBV (0.3 V) =s ___ =_ =_ =o =3
PHONES (1/4" stereo phone jack xl) O O O O O
Nominal Load Impedance: 8 ohms
Maximum Output Level: 100 mW+ 100 mW approx. (at8 ohms) O _O O _ L oJ
EQUALIZER 0 0 00IOJ' --
HIGH (Shelving): 10 kHz, _+10dB -- -- --
00z100 ooo
: MIC IN to L/R LINE OUT: 20 Hz to 30 kHz, _+3dB
LINE IN to L/R UNE OUT: 20 Hz to 30 kHz, _+3dB HI I _[-_-_--I-_---_
UNE IN to EFFECT SEND 20 Hz to 30 kHz, _+3dB
LINE IN to PHONES: 50 Hz to 20 kHz, +3 dB
366mm (14-7/16")
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