Crown 137769-3 operation manual Specifications

DBC Network Bridge

7 Specifications

Audio
Dynamic Range	> 108 dB (A-weighted, 20 Hz-20 kHz)
Digital Sampling	24-bit, 48 kHz
Frequency Response	± 0.5 dB, 20 Hz-20 kHz
Total Harmonic Distortion	< 0.05% THD+N (1 kHz, 0 dBu)
Common Mode Rejection	50 dB at 60 Hz (typical)
Crosstalk	> 80 dB at 10 kHz
Maximum Input Level	+32 dBu (line) or +7 dBu (mic)
Maximum Output Level	+20 dBu
Analog Auxiliary Input Gain Range	+20 dB to –12 dB (add 25 dB for mic setting)
Input Impedance	20 kilohms balanced, 10 kilohms unbalanced
Output Impedance	100 ohms balanced, 50 ohms unbalanced
Latency (analog, digital inputs)	Analog: 1.13 mS. Digital: See Table 5 to the right
A/D, D/A Converters	24-bit 96 kHz Cirrus Logic
Digital Input	AES/EBU, 24-bit, 32-96 kHz. Onboard sample rate converter
Network	Onboard TCP/IQ, compatible with standard 100Mb Ethernet hardware
DSP	24-bit conversion with 32-bit, floating-point DSP processing
Control Port
Power Supply	+5 VDC and +10 VDC outputs. Total output current 1 A.
Monitor Output Logic Low	< 0.1 V
Monitor Output Logic High	10 V (via internal pull-up). Output current limited to 10 mA max per pin
Input Impedance	> 50 kilohms
Input Logic Low	< 0.5 V
Input Logic High	> 5 V
Input Analog Range	0 to 10 V (for inputs 9-16 only)
Max Input Voltage	25 V

Table 5

Latency vs Sample Rate

Sample rate	Latency
32 kHz	2.74 mS
44.1 kHz	2.36 mS
48 kHz	2.28 mS
96 kHz	1.81 mS

Operation Manual page 73