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Circle Labs AS100 and M500 Amplifiers Make Their Debut at Audio Video Show Warsaw 2025

By HiFi Editorial26 February 2026

Circle Labs AS100 and M500 Amplifiers Make Their Debut at Audio Video Show Warsaw 2025

Key Highlights

The Circle Labs AS100 and M500 amplifiers debuted at the Audio Video Show Warsaw 2025, showcasing innovative audio technology.
Circle Labs M500 is a flagship two-channel power amplifier with hybrid design, delivering 180W/channel at 8Ω or 1200W at 4Ω as monoblocks.
It incorporates ECC88/6922 triode tubes in SRPP configuration with Mundorf Silver Gold Oil capacitors for signal clarity and distortion minimization.

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HiFi Weekly Digest

New gear, best reads, and deals — every Friday.

Circle Labs AS100 and M500 Amplifiers Make Their Debut at Audio Video Show Warsaw 2025 - HiFi.Fan

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