Specifications for SPNTWB Unit:
Mic/Line Inputs: All inputs are digitally programmable-gain microphone to line level differential inputs. Either side can be grounded or left floating. The cable shield shall be connected to ground
Max. input level: 20 dBu
Gain: 0 dB to 56 dB, programmable in 8 dB steps (the analog gain is automatically selected by selecting the input gain)
Input impedance: 8 kΩ differential mode, 2 kΩ common mode
Phantom voltage: 48 V
Dynamic range: 102 dB
EIN: -127 dBu (20Hz – 20kHz, unweighted)
THD + noise: 0.01%
Line Outputs: All outputs are floating transformerless differential outputs. Either side can be grounded or left floating. The cable shield shall be connected to ground.
Nominal level: 0 dBu, channels 1-8, 0 dBu, -20 dBu, -40 dBu, channels 9-12
Headroom: 20 dB
Output impedance: < 50 Ω, all outputs, at all attenuator settings
Dynamic range: 105 dB
THD + noise: 0.01%
Filters: All filters, including the noise reduction filter (NRF), have zero processing delay.
Noise reduction filters: Adjustable 6 to 35 dB on every input
Tone control stages: 4 per input channel
Parametric EQ stages: 8 per output channel
ADFE: 8 per input channel (configurable as Static or Dynamic)
Filter types:
Low Pass: Butterworth (6, 12, 18, 24 dB/octave)
Bessel (6, 12, 18, 24 dB/octave)
Linkwitz-Riley (12, 24 dB/octave)
Additional parameters: frequency [Hz]
High Pass: Butterworth (6, 12, 18, 24 dB/octave)
Bessel (6, 12, 18, 24 dB/octave)
Linkwitz-Riley (12, 24 dB/octave)
Additional parameters: frequency [Hz]
Low Shelving: Butterworth (6, 12, 18, 24 dB/octave)
Bessel (6, 12, 18, 24 dB/octave)
Additional parameters:
frequency [Hz]
boost/cut [dB]
High Shelving: Butterworth (6, 12, 18, 24 dB/octave)
Bessel (6, 12, 18, 24 dB/octave)
Additional parameters:
frequency [Hz]
boost/cut [dB]
Peaking EQ (parametric):
frequency [Hz]
bandwidth [octave]
boost/cut [dB]
Internal Signal Generator:
White noise: level [dBu]
Pink noise: level [dBu]
Tone (sine wave):
level [dBu]
frequency [Hz]
Swept sine:
single sweep
continuous sweep
Sweep Waveform:
sawtooth (up or down)
triangle
Sweep rate:
linear
logarithmic
Sweep Parameters:
start frequency [Hz]
stop frequency [Hz]
level [dBu]
sweep time [sec]
Latency:
Single-board: 64 audio samples = 1.333 ms
System: 1.333 ms (Master) + .125 ms for each Slave board
Example: 2.958 ms for 192 inputs with 48 outputs (system with 2-SPN1624 and 5-SPN32i processors)
Acoustic Echo Canceller: Centralized, bridgeable for Telepresence
AEC Tail Time: 128 ms tail time - will never diverge, regardless of signal type (i.e. sine wave)
Line EC Tail Time: 48 ms tail time
AEC Bandwidth: 10 kHz
Telephone Hybrid Return Loss: 26 dB + line echo canceller = 45 dB
Audio inputs (Codec):
Gain: -20 dB to +20 dB, programmable in 1 dB steps
Input impedance: 15k ohm (differential); 375k (common)
Connector: 5-pin Phoenix
Audio outputs (Codec): Floating balanced
Nominal level: 0 dBu
Output impedance: 50 Ω
Speaker outputs: (2) 10W, class D, BTL wiring to double power
Mic/line outputs: 1-8 line level (0dBu), 9-12 mic/line level (0, -20, -40dBu)
Input Dynamic Range (Codec): 102 dB (unweighted 20 - 20 kHz)
Output Dynamic Range (Codec): 105 dB (unweighted 20 - 20 kHz)
Audio Performance (Codec): THD + noise: 0.01%
Front Panel Connectors:
• 1/4 inch headphone monitor jack with level control
• Standard USB
Rear Panel Connectors:
Power: IEC 60320 C14
RS-232: DB-9
Ethernet: RJ-45
Programmable Logic I/O: (2) DB-25
ASPEN port: (2) Dual RJ-45
Remote control: Dual RJ-45
Power amp output: 5-pin Phoenix
Mic/Line Inputs/Line Outputs: (12) 5-pin Phoenix
Telephone Set/Line: Dual RJ-11
Proprietary network:
Physical level: LVDS (Low Voltage DIfferential Signal) high speed
Cable type: CAT-6
Transmission speed: 1 Gbps
Programmable control inputs:
Number of inputs: 30
Analog voltage range: 0-5V
Logic input: TTL, LVTTL, CMOS, LVCMOS
Programmable control outputs:
Number of logic outputs: 16
Logic control: active low
Max sink current: 100 mA
Max supply voltage: 40 V
Supply voltage for control I/O: 5 V
Max current: 750 mA
Cabled Remote Controls:
Codec 1: Lectrosonics RCWTH4; RJ-45 jack
Tel: Lectrosonics RCWTH4; RJ-45 jack
Power requirements: 100-240 VAC, 50/60 Hz
Power consumption: 50 Watts
Dimensions:
Faceplate: Standard 19 inch 2RU
Housing (WxHxD): 17.50 x 3.50 x 7.25 inches
Weight: 5.65 lbs. (without AC cord)
