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4 x 8 Speaker Processor
Model: Protea™4.8SP
- Front panel parameter control
- Single rack space with XLR audio connections
- Extremely intuitive user interface
- Crossover, EQ, delay and limiter functions
- Outputs assignable to any input
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The 4.8SP (4-in x 8-out) is a great choice for both live sound and use in fixed installations like worship facilities, schools and performance spaces. Use the full Protea™ DSP Suite-crossover, equalization, compressor/limiter and delay-with up to 682ms on the input and the output, SPs serve as a front-end processor for delay stacks. The three inputs on the 3.6SP give you added flexibility, particularly when most other processors only offer two inputs.<br>SPs have front panel controls for immediate access to the settings during a dynamic, live performance. The front and rear panel USB ports allow you to program the processors via Ashly’s Protea™ Software-and set a password-secured security system to prevent unauthorized tampering.
- Front panel parameter control
- Single rack space with XLR audio connections
- Extremely intuitive user interface
- Crossover, EQ, delay and limiter functions
- Outputs assignable to any input
- Front panel or PC programming and control with 4 levels of security
- USB and RS-232 interface
- Third-party control friendly
- Balanced inputs and outputs
- Linkwitz-Riley, Bessel and Butterworth filters
- 12, 18, 24 and 48dB/octave slopes
- Parametric EQ: 1/64th to 4 octave range
- 682ms input and output delay (1,364ms total)
- Limiter on each output
- Individual input and output metering
- Warranty - Yes
- ROHS Compliant - Yes
- Rackmountable - Yes
- Spec Sheet available - Yes
- INPUT: Active Balanced, 18k Ohms
- Input Level: +20dBu (Max)
- Input Gain Range: -40dB–+12dB
- Output: Active Balanced, 112 Ohms
- Output Level: +20dBu (Max)
- Output Gain Range: -40dB–+12dB
- Equalizer:
- EQ Filter Types: 1st or 2nd Order High or Low Shelf, Parametric
- Shelving Filter Boost/Cut Range: ±15dB
- Shelving Filter Frequency Range
- Low Shelf: 19.7Hz–2kHz,
- High Shelf: 3.8kHz–21.9kHz
- Parametric Filter Boost/Cut Range: +15dB/-30dB
- Parametric Filter Frequency Range: 19.7Hz–21.9kHz, 1/24 Octave Steps
- Parametric Filter Bandwidth: Four Octaves to 1/64 Octave
- Delay: Input/Output Delay: 0–682ms
- Crossover: HPF/LPF Frequency Range: 19.7Hz-21.9kHz, Off
- Available Filter Types:
- 12dB/Oct Butterworth
- 12dB/Oct Bessel
- 12dB/Oct Linkwitz-Riley
- 18dB/Oct Bessel
- 18dB/Oct Linkwitz-Riley
- 24dB/Oct Butterworth
- 24dB/Oct Bessel
- 24dB/Oct Linkwitz-Riley
- 48dB/Oct Butterworth
- 48dB/Oct Bessel
- 48dB/Oct Linkwitz-Riley
- Limiter:
- Threshold Range: -20dBu–+20dBu
- Ratio Range : 1.2:1 to infinity :1
- Attack Time Range: 0.5ms–50ms
- Release Time Range: 10ms–1Sec
- Frequency Response: 20Hz–20kHz, ±0.25dB
- THD : <0.01% @ 1kHz, +20dBu
- Dynamic Range: >110dB, 20Hz–20kHz unweighted
- Audio Sampling Rate : 48kHz
- Propagation Delay : 1.46ms
- Signal LEDs (dBu or VU):
- Inputs : -20/Mute, -10, 0, +10, Clip
- Outputs : -20/Mute, -10, 0, Limit Threshold, Clip
- Maximum Frequency Response (Bandwidth): 20 kHz
- Minimum Frequency Response (Bandwidth): 0.02 kHz
- Sampling Rate/Frequency: 48 kHz
- Warranty (Length/Type): 5 Years Limited
- Active Power: 20 Watt
- AC Voltage (Minimum): 100 Volts
- AC Voltage (Maximum): 240 Volts
- Depth: 8.50 in
- Height: 1.75 in
- Width: 19 in
- Shipping Weight: 10 lbs
- Product Weight: 7.30 lbs
- Certifications: CE, FCC
- Minimum Frequency Response (Bandwidth): 20 Hz
- Maximum Frequency Response (Bandwidth): 20000 Hz
- Dynamic Range: 110 dB
- Number of Inputs: 4
- Number of Outputs: 8
- Total Harmonic Distortion + Noise (THD+N): 0.01 %
- Sampling Rate/Frequency: 48000 Hz
- Sampling Rate/Frequency: 0 Ghz
- Operating Temperature (Maximum): 120.20 F
- Operating Temperature (Minimum): 39.20 F
- Quantization: 48 bit
Protea™3.6SP
- 3 x 6 Speaker Processor
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Lowrance Sound Company, Inc.
2132 Nailing Drive
Union City, TN 38261
USA
(901) 885-4504
www.lowrancesoundcompany.com
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Ashly Audio, Inc.
Model: Protea™4.8SP
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