
Fonestar FS-1240E: High Power Mono-channel Power Amplifier
The Fonestar FS-1240E is a versatile, mono-channel power amplifier (power stage) designed for public address systems. It offers a range of power options and features robust protection, making it suitable for professional installations in hotels, transport stations, factories, and various other sectors.
Key Features:
Power Output: Delivers high power with 300 W maximum and 240 W RMS.
Flexible Impedance Outputs: Supports both low and high impedance loudspeaker lines via screw terminals and banana plugs:
Low impedance: 4 Ω and 8 Ω
High voltage lines: 100 V and 70 V
Audio Control: Includes tone controls for adjusting bass, mids, and trebles (±12 dB), along with a general volume control.
Signal Management: Features automatic compression of the input signal to maintain optimal levels and LED indicators for protection, signal peak, and output signal.
Connectivity:
Input: 1 balanced auxiliary line via XLR and 6.3 mm jack.
Output: 1 balanced auxiliary line via XLR and 6.3 mm jack.
Protection: Equipped with three protection circuits: temperature, short circuit, and overload.
Power Supply Flexibility: Can be powered by standard 230/115 V AC or 24 V DC (for backup or mobile power).
Design: Housed in a compact chassis suitable for 2 U 19" rack mounting.
The FS-1240E provides flexible power and comprehensive protection in a professional, rack-mountable unit.
Technical Specifications Summary:
Type: Mono Power Amplifier (Power Stage)
Power (RMS/Max): 240 W RMS / 300 W Max
Frequency Response: 50 - 22,000 Hz ±3 dB
Distortion: Harmonic: < 0.5%
Output Impedances: 4 Ω, 8 Ω, 70 V line, 100 V line
Input/Output Connectors: Balanced auxiliary line via XLR and 6.3 mm jack
Controls: Tone (Bass, Mids, Trebles ±12 dB), General Volume
Protection: Temperature, Short Circuit, Overload
Power Supply: 230/115 V AC and 24 V DC
Rack Size: 2 U 19"
Dimensions: 483 x 89 x 329 mm (D)
Weight: 11.8 kg