Key facts
- Brand
- PROTEA
- Model
- 4.24C
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN · ZH
- Last added
- 2012-05-02
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Ashly Protea SYSTEM II 4.24C Crossover System Processor Operating Manual
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.
PROTEA 4.24C specifications
| 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 |
Source: Ashly Protea SYSTEM II 4.24C Crossover System Processor Operating Manual
All PROTEA 4.24C documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How many programmable presets does the 4.24C support?
The unit provides 30 programmable presets.
From: Ashly Protea SYSTEM II 4.24C Crossover System Processor Operating Manual
What is the gain adjustment range for inputs and outputs?
Gain can be set from –40 dB to +12 dB in 0.1 dB steps.
From: Ashly Protea SYSTEM II 4.24C Crossover System Processor Operating Manual
How do I connect the PC to the Protea 4.24C for control?
Connect the supplied RS‑232 cable from the PC’s RS‑232 port to the ASHLY Protea 4.24C’s RS‑232 port.
How can I save a preset directly to the Protea unit?
Use the “Save preset to protea” menu command to upload the current settings to the Ashly Protea 4.24C.