Description

The Bose Professional ControlSpace ESP-880A Engineered Sound Processor is an open-architecture DSP designed for a wide variety of applications from small, self-contained projects to large, networked systems. It features 8×8 analog audio I/O, a Bose AmpLink output, and advanced digital signal processing with 48 kHz / 24-bit audio conversion. The ControlSpace ESP-880A is engineered for precise performance with low-latency and ultralow noise operation.

FEATURES

  • High-Quality Analog Circuitry
  • Advanced Digital Signal Processing
  • Integrated AmpLink Connection
  • Bose ControlSpace Designer Software
  • Front-Panel RJ-45 Ethernet
  • Multiple Control Options
  • Supports Standard Control Systems

 

SPECIFICATIONS

DSP Section
Signal Processor/CPU: 32-Bit Fixed/Floating-Point DSP + ARM, 456 MHz
Maximum Calculation: 3.6 GIPS / 2.7 GFLOPS
Delay: 43 s
Audio Latency: 860 μs (Analog In to Analog Out)
A/D and D/A Converters: 24-Bit
Sample Rate: 48 kHz
Audio Performance
Frequency Response: 20 Hz to 20 kHz (+0.3 / -0.1 dB)
THD+N: <0.002% at +4 dBu (A-Weighted / 20 Hz to 20 kHz)
Channel Separation (Crosstalk): <-105 dB at +4 dBu Input and Output Level, 1 kHz
Dynamic Range: >115 dB A-Weighted 20 Hz to 20 kHz, Analog Through
Audio Input
Input Channels: 8 Analog (Balanced, Mic/Line Level)
Connectors, Input: 0.15″ / 3.81 mm Phoenix Contact, 6-Pin
Input Impedance: 12 Kilohms at 1 kHz (with or without Phantom Power Active)
Maximum Input Level: +24 dBu
Equivalent Input Noise: <-119 dBu (22 to 20 kHz, 150-Ohm Input, 64 dB Gain)
Phantom Power: +48 VDC, 10 mA, Selectable per Input
Pre-Gain Settings: 0/14/24/32/44/54/64 dB
Audio Output
Output Channels: 8 Analog (Balanced, Line Level), 8 AmpLink
Connectors, Output: 0.15″ / 3.81 mm Phoenix Contact, 6-Pin (Analog), AmpLink RJ-45
Output Impedance: 66 Ohms
Maximum Output Level: +24 dBu
Control Inputs
Inputs (Control): 5 Analog or Digital Inputs, 2 Kilohms Internal Pull-Up Resistor to 5 V, 0.15″ / 3.81 mm Phoenix Contact, 6-Pin
Analog Input Voltage Range: 0 to 3.3 V (Maximum 5 V)
Digital Input Voltage Range: 0 V to 3.3 V (Threshold Voltage = 1.6 V)
Control Output
Outputs (Control): 5 Digital Outputs, 0.15″ / 3.81 mm Phoenix Contact, 6-Pin
Output Voltage High: 8 V (Open Circuit), 2.5 V at 10 mA; Low: <1 V at 100 mA, Push-Pull
Output Current: 10 mA Source, 100 mA Sink (24 VDC Max External Supply Voltage)
Indicators & Controls
LED Status Indicators: Power/Status, Signal, Ethernet, Serial (RS-232 + CC-16)
Audio Signal Indication: Green (-60 to -20 dBFS), Yellow (-20 to -2 dBFS), Red (-2 to 0 dBFS)
General
PC Configuration Software: ControlSpace Designer Software
Network Control: Ethernet (RJ-45), 100 MB
Communications Ports: RS-232 (DB9M, DTE), Bose CC-16 (0.15″ / 3.81 mm Phoenix Contact, 3-Pin)
Operating Temperature
32 to 104°F / 0 to 40°C
Cooling
Active, Side Venting
Power
Mains Voltage: 85 to 264 VAC 50/60 Hz
AC Power Consumption: <37 VA Typical, Over All Mains Voltages
Mains Connector: IEC 60320-C14 (Inlet)
Power Dissipation: 22 W (75 BTU/Hr, 19 kCal/Hr)
Dimensions
1.7 x 19.0 x 8.5″ / 4.3 x 48.2 x 21.6 cm
Weight
5.8 lb / 2.6 kg
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