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Marantz PM-57 integrated amplifier, good cosmetic condition and in full working order. Integrated MM phono stage, 50W. We will pack with great care for safe shipping. Specifications

Audio Inputs: 6
Colour: Black
Power: 50W
Country of Origin: Japan
Year Manufactured: 1990s
Power Output: 50W
Total Harmonic Distortion: 0.008% at 8Ω
Signal-to-Noise Ratio: 86 dB (MM phono); 96 dB (line)
Frequency Response: 10 Hz – 50 kHz (–1 dB)
Mains Voltage: 230V
Type: Stereo Integrated Amplifier
Power Output: 50 W per channel into 8Ω; 70 W per channel into 4Ω (RMS, 20 Hz–20 kHz)
Total Harmonic Distortion (THD): 0.008% at 8Ω
Damping Factor: 60
Signal-to-Noise Ratio: 86 dB (MM phono); 96 dB (line)
Input Sensitivity / Impedance: 2.5 mV / 47 kΩ (MM phono); 150 mV / 20 kΩ (line)
Speaker Outputs: 2 pairs (System 1 and System 2); 8–16Ω per speaker (Systems 1 & 2 individually); 16Ω per speaker (Systems 1+2 combined)
Frequency Response: 10 Hz – 50 kHz (–1 dB)
Dimensions (W × H × D): 439 × 103 × 340 mm
Weight: 5.4 kg
Year of Manufacture: 1996–1998

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About Marantz

Marantz originated in the United States, founded in 1953 by Saul Bernard Marantz, a music enthusiast and amateur musician born in Brooklyn in 1911. Dissatisfied with the audio equipment of the era, he crafted the groundbreaking Audio Consolette preamplifier in 1952 from his New York home, selling the first 100 units rapidly and prompting the formal establishment of the company in Woodside, Queens. Though production later shifted to Japan in partnership with manufacturers like Standard Radio in 1966, and the brand evolved through ownership changes including Superscope and eventual integration into larger groups, its heritage remains rooted in American ingenuity and a relentless pursuit of musical fidelity.

The brand excels in high-end audio components, particularly amplifiers, preamplifiers, and integrated systems that defined its golden era. Iconic models like the Model 7 preamplifier (1958), Model 9 power amplifier (1960), and Model 10B tuner (1964) set benchmarks for performance, while later offerings expanded to tuners, receivers, and CD players. Marantz briefly ventured into speakers under designer Ed May in the 1970s but focused primarily on electronics rather than turntables, headphones, DACs, or cables, emphasizing separates renowned for their "Most Musical Sound."

Marantz commands a premium position in the hi-fi market, revered as a high-end pioneer that shaped the audiophile landscape through the 1970s zenith. Today, it blends vintage allure with modern elegance, appealing to discerning buyers who value durability, innovation, and warm, detailed sound signatures over mass-market accessibility.

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