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- EN
- Last added
- 2026-09-29
Featured Mapletree Audio Design manuals
Mapletree Audio Design OD300 Stereo Headphone Amplifier User Manual
This manual provides step‑by‑step instructions for installing and using the Mapletree Audio Design OD300 stereo headphone amplifier. It covers power‑up procedures, tube warm‑up, safety warnings, and how to connect the power supply to the amplifier chassis.
Detailed sections describe the input and output connections, headphone jack options (HiZ and LoZ), volume control, tube types, and technical specifications such as impedance, power consumption, and frequency response. Warranty information and service contacts are also included.
Covers: Introduction · Input/Output Connections · Power Switches · Controls · Tubes · Warranty
Latest Mapletree Audio Design manuals
Mapletree Audio Design OD300 Stereo Headphone Amplifier User Manual
User Manual 8 pages · 2.1 MB · ENThe user manual explains setup, operation, connections, controls, tube information, specifications, and warranty for the Mapletree Audio Design OD300 stereo…
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Mapletree Audio Design manuals
How do I power on the OD300 amplifier?
Turn on the heater switch first, wait about one minute for the heater to warm up, then turn on the high‑voltage switch; both LEDs must be lit.
From: Mapletree Audio Design OD300 Stereo Headphone Amplifier User Manual
What should I do if the power supply does not turn on?
Check the 1 A/250 V fuse under the chassis after unplugging and waiting three minutes, then replace it with a spare if necessary.
From: Mapletree Audio Design OD300 Stereo Headphone Amplifier User Manual