MA2850 2-channel professional power amplifier – Valtec-Tubesound Skip to content
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MA2850 2-channel professional power amplifier

Description

Stereo output power 8 Ω: 2 channels x 850W
Stereo output power 4 Ω: 2 channels x 1275W;
Bridge output power 8 Ω: 3000W;
Frequency range: 2-20KHz ± 0.2dB;
Harmonic distortion:<0.05%;
Signal to noise ratio: ≥ 95dB;
Input sensitivity: 0.775V;
Amplifier type: Class H;
Voltage gain: 36.7dB;
Input impedance:>20K Ω;
Working voltage: 200V 50Hz;
 Indicator light: signal protection overload;

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describe

The entire series is powered by high-quality circulating transformers, with high-quality large capacity electrolytic capacitor filtering. The static power consumption of the whole machine is low, and the dynamic energy is abundant
The circuit adopts classic pulse width modulation amplification circuit, with an efficiency of up to 90%. The components are selected according to HIFI level standards, making the sound performance more perfect
The entire series adopts advanced automatic gain control (AGC) technology to ensure high fidelity amplification of audio signals and effectively protect amplifiers and speakers from clipping distortion damage
The entire series has complete protection circuits: soft start at startup, undervoltage, overvoltage, overheating, overload, overcurrent, DC protection

System Data
Stereo output power 8 Ω: 2 channels x 850W
Stereo output power 4 Ω: 2 channels x 1275W;
Bridge output power 8 Ω: 3000W;
Frequency range: 2-20KHz ± 0.2dB;
Harmonic distortion:<0.05%;
Signal to noise ratio: ≥ 95dB;
Input sensitivity: 0.775V;
Amplifier type: Class H;
Voltage gain: 36.7dB;
Input impedance:>20K Ω;
Working voltage: 200V 50Hz;
Indicator light: signal protection overload;