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Upgrade your live rig, studio monitor setup, or vintage hi-fi system with the legendary Carver PM-175. Designed by audio pioneer Bob Carver, this 2-rack-space professional stereo power amplifier utilizes his patented Magnetic Field technology to deliver massive, clean headroom without the back-breaking weight of conventional linear amplifiers. Weighing in at roughly 19 pounds, it is a highly efficient powerhouse that runs cool under heavy use.Whether you are driving passive studio monitors, a club PA system, or a dedicated audiophile listening room, the PM-175 offers exceptional transient response and reliability. It operates beautifully in standard stereo or can be bridged for high-power mono applications.Key Features & Specifications:Power Output (Stereo): 175 watts RMS per channel into 8 ohms; 250 watts RMS per channel into 4 ohms (20Hz to 20kHz).Power Output (Bridged Mono): A staggering 500 watts into 8 ohms.Frequency Response: 20Hz to 20kHz (+0, -0.5dB) for transparent, full-spectrum audio reproduction.Connections: Versatile input options including XLR (balanced) and 1/4-inch / RCA (unbalanced).Technology: Lightweight, high-efficiency Triac phase-controlled magnetic field power supply with comprehensive protection circuitry.Form Factor: Standard 19-inch rack-mountable, 2U height.Note: As a vintage piece of pro audio equipment, please carefully review all listing photos for exact cosmetic condition. While built like a tank, vintage amplifiers of this era often benefit from standard maintenance (such as replacing old capacitors) to achieve original factory specifications.
This is a pretty balanced buyer’s market for this amp at US$399: with recent comps clustered exactly at US$399, the asking price lands right on the median and reads as fair rather than aggressive. It’s not a steal, but it’s also not padded.
The PM175 is worth a look because Carver’s stereo power amps have a loyal following for their solid drive, lively presentation, and strong value when healthy. At this price, the real upside is a clean, working example with good cosmetics, intact controls, and any proof of careful ownership; if it’s been serviced or comes with the original box/manual, that adds real appeal.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Founded in 1979 in the United States by audio innovator Bob Carver, a physicist and engineer from the Pacific Northwest, the Carver brand emerged from his earlier work at Phase Linear, where he designed groundbreaking amplifiers like the 1972 Phase Linear 700—the most powerful consumer amp of its era. Carver Corporation quickly built on this foundation, delivering hand-crafted amplifiers that combined cutting-edge technology with immense power at accessible prices, revolutionizing high-fidelity sound for everyday enthusiasts.
Carver specialized in power amplifiers, preamplifiers, and integrated systems, earning acclaim for magnetic field amplification and other proprietary designs that prioritized performance over luxury pricing. The brand expanded into professional audio with Carver Professional in 1984 and home cinema via Sunfire in 1994, while maintaining a core focus on robust, high-output electronics rather than speakers, turntables, DACs, headphones, or cables.
Positioned as a populist force in the hi-fi market, Carver brought audiophile-grade power to the middle class, rivaling elite brands at a fraction of the cost and fostering a loyal following among vintage collectors today. Though corporate shifts and the 2024 closure of Bob Carver Corp marked challenges, its legacy endures as mid-tier innovation that democratized excellence, now overseen by Carver Holdings Group.
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