Name: Marantz - PM550DC 控制台立体声 固态集成放大器
Brand: Marantz
Rating: 91.3 (76 reviews)

Matthew McIvor

音响与收音设备拍卖

自1980年代起，这款美丽的一体机放大器 Marantz PM510 保持在极佳状态。紧凑而坚固，带有经典的 Marantz 正面板、唱机输入、调谐器、辅助输入、磁带连接、响度、低音/高音控制、一个可工作的五段均衡器、平衡控制，以及可连接两对扬声器的可能性。这台放大器对品牌而言代表了一个有趣的过渡点。动态而明亮，与早期的 Marantz 型号不同，PM550DC 更加开放与分析性。


From the 1980s this beautiful integrated amplifier Marantz PM510 in excellent condition. Compact and robust, with the classic Marantz front, phono input, tuner, aux input, tape connections, loudness, bass/treble control, a functioning 5-band equalizer, balance and the possibility to connect two pairs of speakers. This amplifier represents an interesting transitional point for the brand. Dynamic and bright, unlike older Maranzt models, the PM550DC is more open and analytical. The acronym "DC" (Direct Coupled) indicates a design that emphasizes transient speed and an extended frequency response. The sound is lively, with a strong presence of high frequencies that makes it ideal for those who seek detail rather than a muffled sound. Don’t expect that soft, punchy bass typical of 1970s models; here the bass is more precise and “fast.” The 5-band Graphic Equalizer is a distinctive feature that greatly influences the sound; it allows you to correct potential deficiencies of the speakers or the room. However, adding too much emphasis can slightly dirty the signal’s transparency. When used moderately, it is a very powerful tool to customize listening. A good aesthetic condition with normal signs of wear consistent with age.  Extended frequency response that helps improve transient speed (the rapidity of response to sound peaks) and extend the frequency response, especially towards deeper and more defined lows. A Phono MM and MC input on an amplifier indicates the presence of an integrated phono preamplifier (or phono stage) designed to accept and correct signals from turntables, differing according to the type of cartridge installed. Please carefully observe all the photos to avoid misunderstandings. The Marantz will be

Technical specifications

Power output: 65 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 50kHz

Total harmonic distortion: 0.03%

Damping factor: 80

Input sensitivity: 0.28mV (MC), 2.8mV (MM), 150mV (line)

Signal to noise ratio: 82dB (MM), 95dB (line)

Output: 410mV (line)

Speaker load impedance: 4Ω (minimum)

Semiconductors: 47 x transistors, 45 x diodes, 8 x IC

Dimensions: 416 x 117.5 x 329mm

Weight: 8kg


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Marantz - PM550DC 控制台立体声固态集成放大器

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Marantz - PM550DC 控制台立体声 固态集成放大器