Csp-1248 - Bose CSP-428 Installation Manual

Technical Information

CSP-1248

Integrated DSP
Signal Process/CPU
Maximum Calculation
Audio Latency
A/D and D/A Converters
Sample Rate
Audio Performance
Frequency Response
THD+N
Channel Separation (Crosstalk)
Dynamic Range
Audio Inputs
Inputs (balanced)
Inputs (unbalanced)
Connectors, Input
Input Impedance
Maximum Input Level
Equivalent Input Noise
Phantom Power
Pre-Gain Settings
Audio Outputs
Outputs
Connectors, Output
Output Impedance
Maximum Output Level
Control Inputs
Inputs (Control)
Mute (Control)
Analog Input Voltage
Digital Input Voltage
Control Outputs
Outputs (Control)
Output Voltage
Output Current
Indicators and Controls
LED Status Indicators
Audio Signal Indication
22 • English
32-bit fixed/floating-point DSP + Arm®, 456 MHz
3.6 GIPS / 2.7 GFLOPS
900 μs (analog in to analog out)
24-bit
48 kHz
20 Hz to 20 kHz (±0.5 dB)
< 0.01% at +4 dBu (A-weighted/20 Hz to 20 kHz)
< –105 dB at +4 dBu input and output level, 1 kHz
115 dB A-weighted 20 Hz to 20 kHz, analog through, 600 Ώ load
8 analog (balanced, Mic/Line Level/Page-In)
4 analog (unbalanced, RCA Line-In, summed to mono)
Balance Input: green 3.81 mm pitch (3-pin/6-pin)
Page-In: green 3.81 mm pitch (4-pin)
Unbalanced Input: red/white RCA connector
12 kΩ at 1 kHz (with or without phantom power active)
+24 dBu (THD+N ≤0.3%, 20 Hz to 20 kHz, 0 dB gain)
< –117 dBu (22 Hz to 20 kHz, 150 Ω input, 64 dB gain)
+48V, open circuit, 10 mA max per channel, selectable per input, 80 mA
max across all channels
0/14/24/32/44/54/64 dB
2 analog (balanced, Line Level), 8 digital (AmpLink output)
Analog Output: orange 3.81 mm pitch (6-pin)
Digital Output: RJ-45 without LED (AmpLink output)
66 Ω
+24 dBu (THD+N ≤0.3%, 22 Hz to 20 kHz )
8 analog inputs, 2 kΩ internal pull-up resistor to 5 V, green 3.81 mm pitch
connector (9-pin)
1 analog input, 2 kΩ internal pull-up resistor to 5 V, black 3.81 mm pitch
connector (2-pin)
0 V to 3.3 V (maximum 5 V)
0 V to 3.3 V (threshold voltage = 1.6 V)
1 digital output, orange 3.81 mm pitch connector (2-pin)
High: 8 V (open circuit), 2.5 V at 10 mA, Low: < 1 V at 100 mA, push-pull
10 mA source, 100 mA sink (24 VDC max external supply voltage)
Power/Status, Signal, Ethernet, AmpLink
Green (–60 to –20 dBFS), yellow (–20 to –2 dBFS), red (–2 dBFS to Clip)
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CSP-428/1248 • Installation Guide