SP4.8 MKII - Uncategorized Ashly - Free user manual and instructions
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| Product Type | Speaker Management System / Digital Signal Processor |
| Model | SP4.8 MKII |
| Brand | Ashly |
| Dimensions (W x H x D) | 19" x 1.75" x 8" (rack mount, 1U) |
| Weight | Approximately 8 lbs (3.6 kg) |
| Power Requirements | AC 100-240V, 50/60 Hz, 30W max |
| Number of Inputs | 4 balanced analog inputs (XLR) |
| Number of Outputs | 8 balanced analog outputs (XLR) |
| Digital Signal Processing | 24-bit, 48 kHz sampling, 32-bit floating point |
| Functions | Crossover, parametric EQ, graphic EQ, delay, limiter, compressor, signal routing, metering |
| Control Interface | Front panel LCD display, rotary encoders, USB for PC software |
| Input Impedance | 10 kΩ balanced |
| Output Impedance | 100 Ω balanced |
| Maximum Input Level | +20 dBu |
| Maximum Output Level | +20 dBu |
| Frequency Response | 20 Hz – 20 kHz, ±0.5 dB |
| Dynamic Range | > 110 dB (A-weighted) |
| THD+N | < 0.005% @ 1 kHz, +20 dBu output |
| Maintenance & Cleaning | Wipe with a dry, lint-free cloth. Do not use solvents or abrasive cleaners. |
| Safety Precautions | Ensure proper ventilation; do not block vents. Use only with grounded AC outlet. |
| Spare Parts & Repairability | Contact Ashly technical support for spare parts and authorized service. |
| General Information | Professional-grade loudspeaker management processor for fixed installations and touring. |
Frequently Asked Questions - SP4.8 MKII Ashly
How do I connect the SP4.8 MKII to my system?
Use balanced XLR cables for inputs and outputs. Connect your mixing console or source to the inputs, and the outputs to your amplifiers. Power on the unit after all connections are made.
Can I control the SP4.8 MKII via software?
Yes, Ashly provides a PC-based control software (Ashly Protea System Software) that communicates via USB. This allows full configuration and real-time monitoring.
How do I reset the unit to factory defaults?
Press and hold the 'Menu' and 'Enter' buttons simultaneously while powering on the unit. Hold until the display shows 'Factory Reset'.
What is the maximum delay I can set?
The maximum delay is 1000 ms per channel, adjustable in 0.021 ms steps. This corresponds to approximately 1125 feet at 20°C.
Can I use the SP4.8 MKII as a crossover?
Yes, the unit features flexible crossover filters including Butterworth, Linkwitz-Riley, and Bessel types, up to 48 dB/octave. You can configure separate crossover points for each output.
How do I update the firmware?
Download the latest firmware from the Ashly website. Connect the unit to your PC via USB and use the Protea System Software to upload the firmware file.
What is the input sensitivity?
The input sensitivity is adjustable via software from -20 dBu to +20 dBu. Default is 0 dBu.
Does it support AES/EBU digital input?
No, the SP4.8 MKII has only analog inputs. For digital input, consider the Ashly Protea ne3200 or other digital processors.
How do I connect the unit to a network for remote control?
The SP4.8 MKII does not have Ethernet; it uses USB for computer control. For network control, an optional serial-to-Ethernet adapter may be used.
What is the warranty period?
Ashly offers a 5-year warranty on the SP4.8 MKII from the date of purchase, covering defects in materials and workmanship.
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USER MANUAL SP4.8 MKII Ashly
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Product information
Brand : Ashly
Model : SP4.8 MKII
Category : Uncategorized