ControlSpace
®
ESP-88 / ESP-00
engineered sound processor
TECHNICAL DATA SHEET
Bose Professional Systems Division
2
OF 6
pro.Bose.com
Technical Specifications
Audio Performance Specifications
Frequency Response 20 Hz - 20 kHz (+0.5 dB/-2.0 dB) at +4 dBu nominal output level
Signal-to-Noise Ratio 80 dB at +4 dBu nominal output level (A-weighted/20 Hz – 20 kHz)
THD+N 0.01 % at +4 dBu nominal input and output level (A-weighted/20 Hz – 20 kHz)
Channel Separation (Crosstalk) < -90 dB at +4 dBu nominal input and output level 1 kHz
Dynamic Range 104 dB (typical) at +4 dBu nominal input level (A-weighted/20 Hz – 20 kHz)
Integrated DSP
Signal Processor 32-bit floating-point digital signal processor(s), 200 MHz
Maximum Calculation 1600 MIPS/1200 MFLOPS (6400 MIPS/4800 MFLOPS with optional DSP expansion card)
Delay Memory 16 MByte/72 s (64 MByte/288 s with optional DSP expansion card)
Audio Latency 610 μs (analog in to analog out); (860 μs with optional DSP expansion card)
A/D and D/A Converters 24-bit
Sample Rate 48 kHz
Audio Inputs
Input Channels 8 channels
Inputs
ESP-88 Only
8 analog, balanced, microphone/line-level (software selectable)
Connectors, Input Phoenix/Euro block 2-piece, 3-pin connectors
Input Impedance 2.4 kΩ @ 1 kHz (with or without phantom power active)
Maximum Input Level +24 dBu at +4 dBu nominal input level
Equivalent Input Noise -115 dB at -60 dBu nominal input level (A-weighted/20 Hz – 20 kHz)
Phantom Power +15V nominal selectable per input
Nominal Input Level +4 dBu/-10 dBu/-20 dBu/-38 dBu/-44 dBu/-50 dBu/-60 dBu
Audio Outputs
Output Channels 8 channels
Outputs
ESP-88 Only
8 analog, balanced
Connectors, Output Phoenix/Euro block 2-piece, 3-pin connectors
Output Impedance 200 Ω (600 Ω load expected)
Maximum Output Level +24 dBu
Residual Output Noise -110 dBu at output muted (A-weighted/20 Hz – 20 kHz)
Nominal Output Level +4 dBu
Control Inputs
Inputs (Control) 8 analog or digital inputs, 5.1 kΩ internal pull-up resistor to 5 V, Phoenix/Euro block 2-piece, 9-pin 3.81 mm pitch connectors
Analog Input Voltage Range 0 V to 3.3 V (maximum 5 V)
Digital Input Voltage Range 0 V to 3.3 V (threshold voltage = 1.6 V)
Control Outputs
Outputs (Control) 8 digital outputs, 10 kΩ internal pull-up resistor to 5 V, Phoenix/Euro block 2-piece, 9-pin 3.81 mm pitch connectors
Output Voltage 0 V to 5 V open collector
Output Current 0.5 mA (source)/10 mA max (sink)
Indicators and Controls
LED Status Indicators Power/Status/Ethernet/Serial (RS-232C + RS-485)
Audio Indicators Signal (present/normal/clip) for each audio input and output
Electrical Specifications
Mains Voltage 85 VAC-264 VAC 50/60 Hz with PFC
AC Power Consumption < 35 VA typical < 70 VA max at < 35C ambient
Physical
Dimensions 3.5" H x 19.0" W x 13.0" D (88 mm x 483 mm x 331 mm)
Net Weight 11.6 lb (5.3 kg)
General
Communication Port 10Base-T (RJ-45), RS-232C (D-Sub 9-pin, male, DTE), RS-485 (Phoenix/Euro block 2-piece, 3-pin)
Expansion Slots
ESP-88: 8 audio (4 occupied), 2 control (1 occupied), 1 DSP ESP-00: 8 audio, 2 control, 1 DSP
Audio Channels 32 maximum analog or 64 maximum digital (AES-3)
(8 pages)
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