This manual describes the features and operation of the ASHLY 4.24C 24-bit Digital Crossover and System Processor. It also explains how to set up and use this product.
The Protea SYSTEM II 4.24C is a four‑input/eight‑output digital crossover and system processor that offers precise control of audio functions, including gain, EQ, delay, crossover, and limiting. It features a backlit LCD, dedicated function keys, and optional PC control via RS‑232 or MIDI.
This manual covers unpacking, power requirements, front‑panel controls, interconnects, software installation, troubleshooting, specifications, dimensions, warranty, and a block diagram, helping users install, configure, and maintain the unit safely.
| Input/Output Gain Range | -40 dB to +12 dB |
|---|---|
| Number of Presets | 30 programmable presets |
| EQ Filters per Input | 6 selectable filters |
| EQ Filters per Output | 4 selectable filters |
| Shelving Filter Boost/Cut Range | ±15 dB |
| Maximum Input Delay | 682 ms |
| AC Power Supply Range | 80 VAC – 260 VAC, 50‑60 Hz |
The unit provides 30 programmable presets.
Gain can be set from –40 dB to +12 dB in 0.1 dB steps.
It accepts any line voltage between 80 VAC and 260 VAC, 50‑60 Hz.
Each input channel can have up to 682 ms of delay.