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22-4 (E)
SIR-3400H / SIR-3032i / SIR-3032W
22. Specifications
22-2. Specifications (SIR-3032i/W)
22-2-1. Recording/Playback System
Number of channels : 32 ch (per unit)
Bandwidth : DC to 20 kHz (x speed ratio)
Number of connected units and bandwidth
Number of connected units 1 2 3 4
Bandwidth DC to 20 kHz DC to 10 kHz DC to 5 kHz
(x speed ratio) (x speed ratio) (x speed ratio)
Sampling frequency : 2.4 x Bandwidth
AD/DA conversion : 128-times over-sampling ∆-∑ modulation
Quantization : 16-bit linear quantization
Filters (recording side) : First-order RC + 121st-order FIR digital
Filters (playback side) : Fourth-order RC + 121st-order FIR digital
Over-range : ±33 %
Analog characteristics (Input ±133 %)
AC characteristics :
SIR-3032i: Range
±0.1 Vpk ±0.2 Vpk ±0.5 to ±1 Vpk ±2 to 5 Vpk ±10 Vpk
Frequency
±0.5 dB, ±0.5 dB, ±0.5 dB, ±0.5 dB, ±0.5 dB,
characteristics
0 dB @200 Hz 0 dB @200 Hz 0 dB @200 Hz 0 dB @200 Hz 0 dB @200 Hz
Dynamic range
82 dB or more 84 dB or more 86 dB or more 86 dB or more 86 dB or more
Crosstalk
_82 dB or less _84 dB or more _86 dB or less _86 dB or less _86 dB or less
Distortion rate
84 dB or less 84 dB or less 84 dB or less 84 dB or less 84 dB or less
Phase Inside a single unit : 1 d or less
difference Between separate units : 2 d or less
between (The same input/output condition
channels Except sync mode)
SIR-3032W: Range
±0.1 Vpk ±0.2 Vpk ±0.5 to ±1 Vpk ±2 to 5 Vpk ±10 Vpk
Frequency
±1.0 dB, ±1.0 dB, ±1.0 dB, ±1.0 dB, ±1.0 dB,
characteristics
0 dB @200 Hz 0 dB @200 Hz 0 dB @200 Hz 0 dB @200 Hz 0 dB @200 Hz
Dynamic range
76 dB or more 78 dB or more 80 dB or more 80 dB or more 80 dB or more
Crosstalk
_76 dB or less _78 dB or more _80 dB or less _80 dB or less _80 dB or less
Distortion rate
74 dB or less 74 dB or less 74 dB or less 74 dB or less 74 dB or less
Phase Inside a single unit :
3 d or less (40 to 80 k)
difference
Between separate units :
5 d or less (40 to 80 k)
between (The same input/output condition
channels Except sync mode)
* The 1.25 to 20 k bandwidth is identical to SIR-3032i.
DC characteristics : Linearity ±0.1 % or less
Drift REC : ±0.1 % or less /2 h
PB : ±0.1 % or less /2 h
(30 minutes after power is turned on)