Marantz 69401001600as 400W Smps Model M1 Power Supply

Product Description

The MARANTZ 69401001600as is a 400-watt switched mode power supply (SMPS) designed for the Marantz Model M1 integrated amplifier in North American and Japanese market configurations. This OEM internal power supply module converts AC mains power to the regulated DC voltages required by the Model M1 amplifier circuitry. It is a direct factory replacement part intended for qualified electronics technicians and authorized service centers performing component-level repairs on Marantz consumer audio equipment.

This SMPS module is specific to the Model M1 amplifier sold in North American (NA) and Japanese (JP) markets, which operate on differing mains voltage standards. It is a service replacement part used during bench repair when the original power supply has failed due to component wear, overvoltage events, or other electrical faults. Installation is performed at the board or module level inside the chassis.

Key Features

• 400-watt output capacity for the Model M1 amplifier platform
• Configured for North American and Japanese mains voltage requirements
• OEM factory replacement part for accurate fit and electrical compatibility
• Switched mode design provides efficient DC power conversion
• Direct drop-in replacement to restore original amplifier performance

Compatibility

Designed as an OEM replacement SMPS for the Marantz Model M1 integrated amplifier in North American and Japanese market variants.

Installation Notes

Installation of this internal power supply should be performed by a qualified electronics service technician. Disconnect the unit from mains power and allow capacitors to fully discharge before opening the chassis or handling internal components. Follow applicable electrical safety practices and any service documentation provided by the manufacturer for the Model M1 platform.

Technical Specifications

• Output Power: 400 watts
• Type: Switched Mode Power Supply (SMPS)
• Market Configuration: North America and Japan
• Compatible Model: Marantz Model M1

Standard Information

• Brand: MARANTZ
• Manufacturer Part Number: 69401001600as