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ND-20B Network Audio Distribution Unit
This product has been discontinued.
Features | Specifications
Specifications
ND-20B Main Unit
Sample Rate96, 88.2, 48, 44.1, 32 kHz (switchable)
IEEE1394 InterfaceStandard: IEEE1394a-2000 S400 (400 Mbps)
No. of Ports: 3 (Metal x 2 + Optical x 1)
Metal Connector: 6-pin type, with lock
Optical Connector: SC type
Fiber Cable: Multi-mode glass fiber 62.5μm / 50μm
Transmission Distance: Less than 500 meters (entire system)
External SynchronizationSync Signal: Word Clock 96, 88.2, 48, 44.1, 32 kHz
Format: Sync to rising edge of square wave
Electrical Specifications: TTL level
Input Impedance: 75Ω
Connector: BNC
Operating EnvironmentTemperature: 5 to 40°C
Relative Humidity: 20 to 80%
Power Supply Requirement100/117/220/240 VAC ±10% (single phase 50/60 Hz)
Dimensions (W x H x D)482 x 88 (2U) x 380 mm
Weight9.0 kg
Mic Amp Module [CB-76X] [Measurement Conditions: fs = 48 kHz, AD IN]
Weight0.8 kg
No. of Occupied Slots2
No. of Channels8
ConnectorXLR-3-32 (female) x 8
Input Impedance2 kΩ, 10 kΩ (PAD ON)
Amp Gain Range+13 to +62 dB (PAD OFF)
-12 to +37 dB (PAD ON)
Max. Level (Non-clipping)+36 dBu
Sample RateFollows unit setting
A/D Conversion24-bit ΔΣ 128x Oversampling
Frequency Response20 Hz to 22 kHz +0/-1 dB
NoiseMic Input EIN: -125 dB (Max. input, input 200Ω, PAD OFF)
DistortionLess than 0.007% (1 kHz, peak)
Signal-to-Noise Ratiomin. 102 dB (1 kHz, A-WTD)
Crosstalkmin. 100 dB (1 kHz)
A/D Module [CB-76Y] [Measurement Conditions: fs = 48 kHz, AD IN]
Weight0.4 kg
No. of Occupied Slots1
No. of Channels8
ConnectorD-sub 25-pin (female) x 1
Input Impedance10 kΩ
Maximum Level (non-clipping)+24 dBu
Sample RateFollows unit setting
A/D Conversion24-bit ΔΣ 128x Oversampling
Frequency Response20 Hz to 22 kHz +0/-1 dB
NoiseMic Input EIN: -125 dB (max. input, terminated with 200Ω, PAD OFF)
DistortionLess than 0.007% (1 kHz, peak)
Signal-to-Noise Ratiomin. 108 dB (1 kHz, A-WTD)
CrosstalkBetter than 100 dB (1 kHz)
D/A Module [CB-77A] [Measurement Conditions: fs = 48 kHz, AD IN]
Weight0.5 kg
No. of Required Slots1
No. of Channels8
ConnectorD-sub 25-pin (female) x 1
Output Impedancemax. 5Ω
Maximum Level (non clipping)+24 dBu (digital peak)
Sample RateFollows unit setting
D/A Conversion24-bit ΔΣ128x Oversampling
Frequency Response20 Hz to 22 kHz +0/-1 dB
NoiseMic Input EIN: -125 dB (max. input, terminated with 200Ω, PAD OFF)
DistortionLess than 0.007% (1 kHz, peak)
Signal-to-Noise RatioBetter than 108 dB (1 kHz, A-WTD)
CrosstalkBetter than 100 dB (1 kHz)
AES Module [CB-77C]
Weight0.4 kg
No. of Required Slots1
No. of ChannelsInput: 8, Output: 8
ConnectorInput: D-sub 25-pin (female) x 1
Output: D-sub 25-pin (female) x 1
FormatIEC 958, EIAJ CP-340, AES/EBU digital interface with transformer
Impedance110Ω
Sample RateFollows unit setting
Sample Rate ConverterAcceptable 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 or obligation.