TONEWINNER AD-2500 PRO

The Tonewinner AD-2500 amplifier presents itself as a high-power solution designed for demanding home theater systems, offering a configuration of 2 channels rated at 500 watts each or the option to operate in mono mode up to 1000 watts, thereby ensuring strong energy delivery and a sound performance capable of sustaining high pressure levels, wide dynamic range, and extremely fast signal transmission.

Designed according to Hi-Fi principles, it integrates both balanced and unbalanced inputs along with a differential circuit architecture featuring differential amplification and a constant current source, solutions that help improve dynamic range and reduce power supply noise and interference, ensuring cleaner, more precise, and engaging sound reproduction, particularly suited for cinematic content rich in effects and detail.

The power supply system stands out thanks to a powerful 1200-watt toroidal transformer capable of delivering stable energy with extremely low noise levels, while the filtering section relies on eight custom capacitors with a total capacity of 80,000 µF, enhancing delivery stability and reducing unwanted harmonics, with a direct impact on sound depth and body.

The amplification section employs eight pairs of high-power NJW0281G and NJW0302G transistors manufactured by onsemi, components appreciated for their reliability even under significant current fluctuations, capable of maintaining consistent sound quality across the entire frequency range, delivering a rich, analytical, and pleasing sound favored by audiophiles and audio professionals.

To ensure safe and long-lasting operation, the amplifier adopts a multi-protection system structured across five levels, designed to safeguard both the unit and the connected speakers, maintaining stable performance even during prolonged high-power use.

From an aesthetic perspective, the design features a fully black aluminum chassis with an acrylic front panel, enhanced by an analog voltmeter with bright blue illumination that emphasizes its elegance and technical character, making it a distinctive element within any home audio system.

Technical specifications:

• Signal-to-noise ratio: >105 dB (A-weighted)
• Distortion: ≤0.05% (1 kHz, normal operating conditions)
• Frequency response: 10 Hz – 80 kHz (+1/-3 dB)
• Output power: 950 W RMS at 4 Ω (THD=1%, one channel driven, 1 kHz); 570 W RMS at 8 Ω (THD=1%, one channel driven, 1 kHz)
• Rated load impedance: 8 Ω
• Input sensitivity (Minimum EMF): 2.5 V
• Gain: 28.5 dB
• Chassis dimensions: 440 × 420 × 178 mm
• Unit dimensions: 440 × 440 × 196 mm
• Net weight: 23.7 kg