Sansui Japan RARE Earliest Batch Pure Class A Model 220 Tube Amplifier w/ MM Phono Stage in 240v

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VERY NICE LOOKING! Classic & COLOURFUL!🤩 非常好看！经典又多彩！🤩
RARE FIND at THIS CONDITION! Limited Production Globally 🤩 这样完美的稀有珍品！限量生产🤩  

NOW ONLY RM 2980! 🤯 You CAN HAVE IT on your HIFI Rack!🤩 SHOW IT OFF ~
现在只需 RM 2980🤯！ 你就可以拥有它，放在你的音响架子上🤩！炫一炫它〜
CONDITION 品像: 8/10 = Mint | 非常好

Pure Class A Fully Discrete Phono Stage & Input Stage | 纯A类全分立式唱放和输入级  
Pure Japanese Craftsmanship Using Local Voltage 240V | 纯日本工艺，适用本地电压240V  
1960s Design with Silver Knobs & Face Plate | 1960年代设计，配有银色旋钮和面板  
Silicon-Transistor Head Amplifier | 硅晶体管前置放大器  
Silicon Diode in Power Section | 电源部分的硅二极管  
FM Multiplex Stereo Adapter Compatibility | 兼容FM多路立体声适配器  
High-Fidelity Sound Reproduction Circuitry | 高保真音频重现电路  
Advanced Noise Filters | 高级噪声滤波器  


The Sansui Model 220 delivers a warm, natural, and immersive sound signature characteristic of tube amplifiers, with clear midrange, smooth treble, and rounded bass that excels in reproducing analog sources with authenticity. While it shines in genres like jazz, classical, and soft rock, its moderate power output makes it best suited for smaller rooms and efficient speakers, offering a rich listening experience with a vintage charm that captures the essence of its era.

Sansui Model 220 以其电子管放大器特有的温暖、自然和沉浸式音效著称，中频清晰，高频平滑，低频圆润，能够真实再现模拟音源的质感。它在爵士、古典和轻摇滚等音乐风格中表现出色，适合搭配高效音箱，在小型房间中发挥最佳效果，展现出复古魅力和丰富的聆听体验，完美诠释了那个时代的声音特质。
~ Reviewers from Audio Forums

SOUND QUALITY REVIEW（音色评测）:🤩
- Warm, rich, and natural sound signature, typical of tube amplifiers.  
- Clear and detailed midrange, enhancing vocals and acoustic instruments.  
- Smooth treble response without harshness, offering a pleasant listening experience.  
- Full and rounded bass, though not as tight or punchy as solid-state amplifiers.  
- Excellent stereo imaging and soundstage for its era, creating an immersive audio experience.  
- Suitable for genres like jazz, classical, and soft rock, where warmth and detail are appreciated.  
- Moderate power output, best suited for efficient speakers in smaller to medium-sized rooms.  
- Sound quality degrades slightly at higher volumes due to the amplifier's power limitations.  
- Praised for its ability to reproduce analog sources with authenticity and warmth.

- 温暖、丰富且自然的声音特质，是电子管放大器的典型特点。  
- 中频清晰细腻，尤其突出人声和原声乐器。  
- 高频平滑无刺耳，提供令人愉悦的聆听体验。  
- 低频丰满圆润，但不如晶体管放大器紧凑或有力。  
- 在当时具备出色的立体声成像和音场表现，营造沉浸式音效。  
- 适合爵士、古典和轻摇滚等注重温暖和细节的音乐风格。  
- 功率适中，最适合小型到中型房间内高效音箱的搭配。  
- 由于功率限制，在高音量时音质会略有下降。  
- 以其重现模拟音源的真实与温暖而备受好评。  

DESIGN & TECHNOLOGY 设计与科技:
### Technology  
- Features all necessary circuits for high-fidelity sound reproduction.  
- Utilizes silicon-transistor head amplifiers for enhanced audio performance.  
- Employs silicon diodes in the power section for improved stability.  
- Compatible with FM multiplex stereo adapters for versatile playback.  
- Equipped with advanced technologies for radio reception and tape recording.  

### Design  
- Functional and intuitive front panel layout for ease of use.  
- Integrated center-channel output terminal for broader connectivity.  
- Includes noise filters for superior sound clarity.  

### 技术  
- 配备所有必要的电路以实现高保真声音重现。  
- 采用硅晶体管前置放大器以增强音频性能。  
- 在电源部分使用硅二极管以提高稳定性。  
- 兼容FM多路立体声适配器，实现多样化播放功能。  
- 配备先进技术，用于无线电接收和磁带录音。  

### 设计  
- 功能齐全且直观的前面板布局，操作便捷。  
- 集成中心通道输出端子，提供更广泛的连接选项。  
- 内置降噪滤波器，提升声音清晰度。  

SPECIFICATIONS 规格:🧾
- Manufacturer: Sansui  
- Model: 220  
- Type: Receiver, tube technology  
- Years of manufacture: 1966 - 1969  
- Made in: Japan  
- Color: silver, housing metal  
- Remote control: no  
- Power consumption: 260 W max.  
- Dimensions: 440 x 110 x 315 mm (WxHxD)  
- Weight: 13.2 kg  

**Connections**  
- Number of inputs:  
  - Phono MM: 3 mV  
  - Tape Play: 660 mV  
  - Tape Play DIN: 150 mV  
  - Aux: 150 mV  
  - Antenna (FM: 75, 300 Ohm, AM)  
- Number of outputs:  
  - Tape Rec: 150 mV  
  - Tape Rec DIN: 30 mV  
  - Headphones (6.3mm jack)  
  - 1 pair of loudspeakers  

**Technical Data**  

*Amplifier*  
- Continuous power (at distortion):  
  - 8 Ohm: 2x 10 W  
  - 4 Ohm: —  
- Dynamic power:  
  - 8 Ohm: —  
  - 4 Ohm: 2x 11 W  
- Total harmonic distortion: < 1.5%  
- Attenuation factor: 34 (at 8 Ohm)  
- Frequency response:  
  - High Level: 35 - 15,000 Hz  
- Signal-to-noise ratio:  
  - Phono: 65 dB  
  - High Level: 70 dB  
- Tone control:  
  - Bass at 100 Hz: ± 10 dB  
  - Treble at 10 kHz: ± 10 dB  
- Loudness: yes, +6 dB at 100 Hz, +3 dB at 10 kHz  
- Low Filter: —  
- High Filter: yes  
- Mute: —  

*Tuner*  
- Reception: FM/MW/KW  
- Frequencies:  
  - FM: 88 - 108 MHz  
  - MW: 535 - 1605 KHz  
  - KW: 3.9 - 12 MHz  
- Input sensitivity:  
  - FM: 2.5µV  
  - MW: 15µV  
  - KW: —  
- Frequency response: 30 - 15,000 Hz (+0.2/-0.5 dB)  
- Distortion factor:  
  - FM (1 kHz): < 0.10% (mono), < 0.15% (stereo)  
- Signal-to-noise ratio:  
  - FM (65 dBf): 69 dB (mono), 60 dB (stereo)  
  - MW: 55 dB  
- Channel separation: 30 dB (1 kHz)  
- Selectivity: 45 dB  
- Co-wave selection: 2.7 dB  
- Spurious wave selection:  
  - FM: 80 dB  
- Mirror frequency attenuation:  
  - FM: 80 dB  
  - MW: 40 dB  
- IF attenuation:  
  - FM: 90 dB  
  - MW: 40 dB  
- AM suppression: 50 dB  

**Special Features**  
- VHF noise filter  
- Shortwave

REFERENCES 根据:🫡
1.https://www.hifiengine.com/manual_library/sansui/220.shtml
2.https://www.radiomuseum.org/r/sansui_220.html
3.https://hifi-wiki.com/index.php/Sansui_220
4.https://audiocircuit.dk/downloads/sansui/Sansui-220-tun-sm.pdf

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