• Type: Audio amplifier / Voltage amplifier
• Manufacturer: Originally Sanyo, later integrated into Panasonic
• Power: Designed for 40–90 W AF (audio frequency) power amplifiers
• Configuration: Typically used in 2-channel amplifier systems
• Applications: Commonly found in vintage audio equipment, such as Marantz receivers, amplifiers, and other hi-fi systems.

Technical specifications

• Output power: 2 × 40 W @ 8 ohms
• Dimensions: Approximately 44 × 31 × 5 mm