| ND-20B Main Unit |
| Sample Rate |
96, 88.2, 48, 44.1/32 kHz (switchable) |
| IEEE1394 Interface |
Standard: IEEE1394a-2000 S400 (400 Mbps) Number of Ports: 3 (metal x 2 + optical x 1) Metal Connector: 6-pin type, with lock mechanism Optical Connector: SC type Optical Cable: Multi mode glass fiber 62.5 micrometer / 50 micrometer Transmission Distance: max. 500 meters (entire system) |
| External Sync |
Sync Signal: Word clock 96/88.2/48/44.1/32 kHz Format: Sync to rising edge of square wave Electric Characteristics: TTL level Input Impedance: 75Ω Connector: BNC |
| Operating Environment |
Temperature: 5 to 40°C. Relative Humidity: 20 to 80% |
| Power Supply |
100/117/220/240 VAC ±10% (single phase 50/60 Hz) |
| Dimensions (W x H x D) |
482 x 88 (2U) x 380 mm |
| Weight |
9.0 kg |
| Mic Amplifier Module [CB-76X] [Measurement Condition: fs = 48 kHz, AD IN] |
| Weight |
0.8 kg |
| Number of Required Slots |
2 |
| Number of Channels |
8 |
| Connector |
XLR-3-32 (female) x 8 |
| Input Impedance |
2 kΩ or 10 kΩ (PAD ON) |
| Amplifier Gain Range |
+13 to +62 dB (PAD OFF) or -12 to +37 dB (PAD ON) |
| Maximum Level (non-clipping) |
+36 dBu |
| Sample Rate |
Follows unit setting |
| A/D Conversion |
24-bit ΔΣ 128x oversampling |
| Frequency Response |
20 Hz to 22 kHz ±1 dB |
| Noise |
Mic Input EIN: -125 dB (max. input, terminated with 200±, PAD OFF) |
| Distortion |
less than 0.007% (1 kHz, peak) |
| Signal-to-Noise Ratio |
min. 102 dB (1 kHz, A-WTD) |
| Crosstalk |
min. 100 dB (1 kHz) |
| A/D Module [CB-76Y] [Measurement Condition: fs = 48 kHz, AD IN] |
| Weight |
0.4 kg |
| Number of Required Slots |
1 |
| Number of Channels |
8 |
| Connector |
D-sub 25-pin (female) x 1 |
| Input Impedance |
10 kΩ |
| Maximum Level (non-clipping) |
+24 dBu |
| Sample Rate |
Follows unit setting |
| A/D Conversion |
24-bit ΔΣ 128x oversampling |
| Frequency Response |
20 Hz to 22 kHz +0/-1 dB |
| Noise |
Mic Input EIN: -125 dB (max. input, terminated with 200Ω, PAD OFF) |
| Distortion |
less than 0.007% (1 kHz, peak) |
| Signal-to-Noise Ratio |
min. 108 dB (1 kHz, A-WTD) |
| Crosstalk |
min. 100 dB (1 kHz) |
| D/A Module [CB-77A] [Measurement Condition: fs = 48 kHz, AD IN] |
| Weight |
0.5 kg |
| Number of Required Slots |
1 |
| Number of Channels |
8 |
| Connector |
D-sub 25-pin (female) x 1 |
| Output Impedance |
less than 5Ω |
| Maximum Level (non clipping) |
+24 dBu (digital peak) |
| Sample Rate |
Follows unit setting |
| D/A Conversion |
24-bit ΔΣ 128x oversampling |
| Frequency Response |
20 Hz to 22 kHz +0/-1 dB |
| Noise |
Mic Input EIN: -125 dB (max. input, terminated with 200Ω, PAD OFF) |
| Distortion |
less than 0.007% (1 kHz, peak) |
| Signal-to-Noise Ratio |
min. 108 dB (1 kHz, A-WTD) |
| Crosstalk |
min. 100 dB (1 kHz) |
| AES Module [CB-77C] |
| Weight |
0.4 kg |
| Number of Required Slots |
1 |
| Number of Channels |
Input: 8, Output: 8 |
| Connector |
Input: D-sub 25-pin (female) x 1 Output: D-sub 25-pin (female) x 1 |
| Format |
IEC 958, EIAJ CP-340, AES/EBU digital interface with transformer |
| Impedance |
110Ω |
| Sample Rate |
Follows unit setting |
| Sample Rate Converter |
Acceptable Frequency Range: 10 to 96 kHz Supply word clock to Ext Sync Input connector (BNC type) to apply SRC to output |
| Specifications are subject to change without notice. |