Great condition 3000 pre amp. working and appearance Introducing the vintage Phase Linear 3000 series 2 preamplifier - a classic piece of audio equipment that will enhance your listening experience. Designed by Phase Linear, this preamp is perfect for vintage audio enthusiasts who want to enjoy their vinyl records, tapes, and CDs without compromising on sound quality. Featuring a unique design and exceptional build quality, this preamplifier is perfect for use in vintage audio systems. With its versatile inputs and outputs, this preamp can be used with a wide range of audio equipment, including turntables, CD players, and tape decks. Whether you're a seasoned audiophile or just starting to explore the world of vintage audio, the Phase Linear 3000 series 2 preamplifier is a must-have addition to your setup.