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Legacy Firmware Updates
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Firmware for Earlier-Generation Products
This page provides firmware updates and support resources for CH Precision legacy products, helping owners ensure their components remain current and perform as intended. It also reflects our long-term commitment to supporting every CH Precision owner throughout the life of their product.
P1 Phono Preamplifier

L1 Line Preamplifier
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D1 Transport / Player
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C1 DAC Controller
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A1 Amplifier

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