Phase Linear is a historic American audio equipment manufacturer renowned for its powerful, high-fidelity vintage stereo amplifiers and sound equipment components.
Phase Linear was a prominent audio equipment manufacturer founded in 1970 by audio pioneers Bob Carver and Steve Johnston. Based originally in Washington state, the company gained a legendary reputation in the audiophile community for producing some of the most powerful and innovative solid-state amplifiers of its era, such as the renowned Phase Linear 400 and A60 Power Amplifiers.
Beyond their iconic vintage power amplifiers, Phase Linear also manufactured professional series preamplifiers, tuners, and high-end loudspeakers like the Andromeda. While the company is no longer in operation, Phase Linear products are highly sought after by vintage audio enthusiasts and collectors for their robust build quality, raw power output, and impressive low-frequency reproduction.
Latest manuals from manuals+ curated for this brand.
Common questions about manuals, registration, and support for this brand.
No, Phase Linear was a vintage audio manufacturer active primarily in the 1970s and 1980s. Their products are now highly collectible and typically found on the used market.
You can find archived user, service, and owner manuals for iconic models like the Phase Linear 400 and A60 Power Amplifier here on our site, or through dedicated vintage audiophile forums.
For stereo operation, connect the positive terminal of the speaker to the positive terminal of the amplifier (red or white), and the common to the black ground terminal. Be sure your speakers can safely handle high-power output.
Repairs on vintage, high-powered amplifiers require specialized knowledge. You should seek out reputable independent vintage electronics restoration specialists who have experience servicing Phase Linear circuitry.