The Harman Kardon Citation Eleven Stereo Preamp is a vintage audio device manufactured in the United States. This preamp, known for its high-quality sound and durable construction, includes built-in equalization capabilities and comes in its original wooden case for safe storage and transport. With the trusted Harman Kardon brand name and serviced/tested certification, this vintage piece is sure to enhance any audio enthusiast's collection. Its versatile features and classic design make it a valuable addition to any vintage electronics setup.