SA30 Class A

About the SA30 Class A

The Belles SA-30 is a pure Class A stereo power amplifier designed as a genuine alternative to quality valve tube designs. It delivers 30 watts per channel into 8 ohms with a total harmonic distortion of 0.001% and an exceptionally high damping factor of 5000, ensuring deep, controlled bass and sweet, clean upper frequencies. The amplifier features a dual-mono layout with separate toroidal power transformers for each channel, contributing to its excellent sound quality and reliability. It requires only 0.74 volts input sensitivity and has a frequency response from 0.2 Hz to 125 kHz. The SA-30 is known for its lively yet well-controlled sound, capable of driving a wide range of speakers with precision and musicality. Its build quality includes substantial heatsinks to manage the considerable heat generated by its pure Class A operation. The amplifier weighs approximately 22 kg and measures 432 x 133 x 343 mm. It is highly regarded for producing sound equal to or better than low-powered tube amplifiers but with the convenience and reliability of solid-state technology.