
MONACOR PA-924: Mono PA Mixing Amplifier
The MONACOR PA-924 is a powerful and reliable mono PA mixing amplifier, ideal for medium to large public address systems in commercial and professional environments. It delivers a substantial 240 W output and features flexible input options, priority controls, and safety features essential for professional PA installations.
Key Features:
High Power Output: Delivers a power rating of 240 W (at 4 Ω, 70 V, or 100 V) with a peak output power of 340 W.
Flexible Inputs: Features 4 balanced microphone inputs and line inputs with selectable priority functions for clear announcement control.
Multiple Audio Sources: Includes 4 stereo line inputs for connecting various media players, background music sources, or other equipment.
Priority and Chime: Equipped with a selectable 2-tone or 4-tone chime that can be activated externally, crucial for signaling announcements.
Signal Processing Loop: Provides an insert facility (e.g., for effect units, equalizers, or feedback controllers) for professional sound shaping.
Connectivity: Offers speaker outputs via screw terminal contacts, a balanced line output (XLR), and a record output (RCA L/R).
Control: Features separate input level controls, output level control, and a 2-way tone control for the master output.
Microphone Support: Provides switchable 48 V phantom power for condenser microphones.
Reliability: Features a temperature-controlled fan and supports both mains operation ($\sim 230$ V/50 Hz) and 24 V emergency power operation (DC 24 V/18 A).
Installation: Supplied with removable mounting brackets for 2 RU rack installation.
Technical Specifications:
| Feature | Specification |
| Power Rating | 240 W |
| Peak Output Power | 340 W |
| Speaker Outputs | 100 V, 70 V, 4 Ω |
| Channels/Inputs | 5 total (4 x Mic/Line with priority, 4 x Stereo Line) |
| Mic Inputs | 4 x XLR (balanced, 2.5–100 mV) |
| Line Inputs | 4 x RCA L/R (350 mV) |
| Line Output | 1 x XLR, 1 x RCA L/R |
| Frequency Range | 50–16,000 Hz |
| THD | < 0.1% |
| Phantom Power | 48 V (switchable) |
| Power Supply | $\sim 230$ V/50 Hz or DC 24 V/18 A (Emergency Power) |
| Dimensions (W x H x D) | 482 x 95 x 390 mm (2 RU) |
| Weight | 13 kg |