A1S HiFi Power Amplifier 20Watt*2 2.0 Channel Pure Class A Home Audio AMP（Sliver）

BRZHIFI A1S-02 Pure Class A Power Amplifier Review

Overview

The BRZHIFI A1S-02 is a 20W Pure Class A technology amplifier that promises to redefine your listening experience. With an heirloom-grade design, this amplifier aims to deliver every watt in its truest form, providing exquisite and soul-stirring sound.

Internal Structure Analysis

Large Capacity Main Filter Array

The A1S-02 utilizes four 18000μF 35V filter capacitors from Nippon Chemical’s Black Diamond per channel, totaling a filtering capacity of 144000μF. This allows for rapid charging and discharging speeds, enhancing dynamic response.

Large Ring Transformer

Equipped with a Huanniu transformer, the A1S-02 ensures exceptional power reserve and stable energy supply, akin to high-performance automotive transformers, which is crucial for powerful amplification.

OMRON Relay

Featuring silver alloy contacts, the OMRON relay enhances durability while preventing switch-induced shocks that could threaten DC output. This safeguard offers increased reliability for your equipment.

Power Transistor

Each channel employs a matched pair of Ansen MJL21193/MJL21194 output transistors, renowned for their performance in high-end audio. This design results in stunning vocal clarity and dynamic precision.

Product Specifications

• Power Output: 20 W at 8Ω / 25 W at 4Ω (Pure Class A) equivalent to 100 W × 2 Class B
• Signal to Noise Ratio: 105 dB
• Frequency Response: 10 Hz – 40 kHz (±3 dB)
• Distortion: Less than 0.001% at 1 kHz and 1 W
• Voltage: 110V
• Weight: 5.3 kg
• Size: 335×208×75 mm (L×W×H)

Conclusion

The BRZHIFI A1S-02 Pure Class A Power Amplifier is an exemplary choice for audiophiles seeking rich, detailed sound. With its high-quality components, this amplifier excels in delivering a warm and mesmerizing audio experience that enhances any listening setting.

Overall, with a 5.0 rating from customers, it stands out as a premier option in the realm of audio amplification.