PM640

The Harman/kardon PM640 is an integrated amplifier that was introduced during the late 1980s and early 1990s, notable for its combination of power and versatility, catering to both casual listeners and audio enthusiasts. The PM640 offers a robust and dynamic sound with a power output typically around 60 watts per channel, making it suitable for driving a variety of speakers. Its design features a classic aesthetic with a black or silver finish, and it often includes a range of inputs for connecting various audio sources such as CD players, turntables, and tape decks. Additionally, the PM640 showcases an integral phono stage, allowing it to directly connect to turntables without the need for an external preamplifier. Users can typically expect several tone control options, including bass and treble adjustments, providing further customization of the listening experience. The amplifier incorporates a solid build quality, ensuring durability over time, and it may have features like speaker A/B switching for connecting multiple speaker sets. The PM640 remains appreciated for its clean sound reproduction and reliability.