2 Before use
Please read this manual carefully before making connections or operating your A1. After reading this manual, please store it in an
accessible place for future reference. If after reading this manual you feel unsure about how to make connections or how to
operate the unit, please contact your authorized dealer for assistance.
2.1 Package content
Make sure that the package content is complete. If not, please contact your authorized dealer. Your package should contain:
• A1 power amplifier with one (mono bridged or mono passive bi-amp modes only) or two input boards, depending on the
ordered configuration
• A power cord
• Four adjustment steel spikes
• A suction cup (used to unscrew the top covers)
• An accessory box containing:
◦ a spike adjustment screwdriver
◦ an Allen key
◦ a Torx 10 screwdriver
◦ four stacking covers
◦ a USB stick containing the latest CH Precision firmwares.
◦ a set of four CH Support Discs
Please store the packaging for future use. Check your A1 for any apparent damage. In case of a damage, immediately contact
your authorized dealer. If your A1 is cold due to transport, please let it warm up to room temperature before powering it up.
2.2 Safety notice
Make sure to observe the following rules:
• Install your A1 power amplifier on a stable base
• Do not install your A1 power amplifier near water
12 A1 User Manual Rev 2.0
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