b&k amp

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Reverb

B&K ST-202 amp restoration kit filter capacitor repair rebuild fix $195 Aug 18, 2022

Reverb

B&K ST-140 restoration kit filter capacitor repair rebuild fix $185 Aug 19, 2022

Reverb

B&K ST-202+ PLUS restoration kit filter capacitor repair rebuild fix $195 Aug 19, 2022

Subito

Subwoofer Attivo B.K. Electronic XXLS400 Amp. AB Subito €400 20% Jul 20, 2025

AVS Forum

For Sale B&K Ref.200.7 amp for sale AVS Forum $600 Jun 2, 2024

US Audio Mart

B&K / BK Reference 200.5 Power Amp US Audio Mart $600 33% Mar 8, 2025

US Audio Mart

New Audio Frontiers Supreme 300B SE Integrated Amp $22 K retail; $12K in 9/10 w/new 300B's US Audio Mart $12,000 Oct 29, 2025