Circle Labs
About Circle Labs
CircleLabs is a Polish manufacturer of high-end professional audio equipment founded by designer Krzysztof Wilczynski. The company, headquartered in Cracow, Poland, represents 25 years of passion and research into perfect amplification technology. Originally active in designing specialized equipment for scientific research in microbiology with apparatus used in leading research centers worldwide, CircleLabs transitioned to audio equipment in 2019. Their proprietary "Circle Power" technology combines tube and transistor technologies, which attracted attention from leading Hi-End equipment manufacturers and resulted in the development of reference monoblocks. The company's core philosophy centers on "Beauty in sound," creating products that capture the beauty of music while maintaining elegant and refined form. CircleLabs specializes in integrated amplifiers, preamplifiers, power amplifiers, and phono preamplifiers, targeting demanding audiophiles with their premium audio solutions.
Circle Labs AS100 Amplifier: Bridging Advanced Technology with Superior Sound
The Circle Labs AS100 integrated amplifier delivers 75W RMS at 8Ω and 140W RMS at 4Ω with exceptional sound fidelity.
It employs a precision resistor ladder for volume control with 63 steps of 0.1% tolerance, providing superior signal accuracy.
The design features dual-mono topology, individual 400W toroidal transformers, and 200,000 μF capacitors for high power and low distortion.
Circle Labs M500 - A New Power Amplifier Premiering at Audio Video Show 2025
Circle Labs M500 Power Amplifier:** Debuting at the AVS 2025, this amplifier offers monoblock operation with 600W at 8Ω and 1.2kW at 4Ω.
Stereo Mode Performance:** Provides 180W at 8Ω and 340W at 4Ω, highlighting its versatility and power handling capabilities.
Innovative Circuit Design:** Features ECC88/6922 triode in SRPP configuration, paired with Mundorf Silver Gold Oil capacitors for exceptional audio signal integrity.