ROTEL w/ ALL Japan Parts | Pure Class A Input Stage | RA-212 Integrated Amp w/ Phono Stage

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CLASSIC Silver Knobs & Faceplate Vintage ROTEL w/ Real Wood Enclosure🤩
银色面板复古NIKKO，配有实木外壳 🤩  

Pure Japan Craftmanship w/ ALL Japan Components 
Pure Class A Fully Discrete SANYO LA-3133 Phono Stage
Pure Class A Fully Discrete Nippon Electric NEC 2SC1222 Input Stage
Class A Biased Fully Discrete SANYO STK015 Output Transistors
Multi Voltage Power Transformer from Japan
纯正日本工艺，所有组件均为日本制造  
纯甲类全分立式 SANYO LA-3133 唱放电路  
纯甲类全分立式日本电气 (NEC) 2SC1222 输入级  
甲类偏置全分立式 SANYO STK015 输出晶体管  
多电压日本制造的电源变压器  

NOW ONLY RM 980! 🤯 You CAN HAVE IT on your HIFI RACK!🤩 SHOW IT OFF ~
现在只需 RM 980🤯！ 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 = Excellent | 非常好


The ROTEL RA-212 delivers a classic vintage sound characterized by warmth, natural balance, and rich musicality. Its clear midrange excels in vocal and instrumental reproduction, while the smooth treble and tight, controlled bass ensure a well-rounded listening experience. With a high-quality phono stage and Class A design, it offers exceptional clarity and tonal refinement, making it equally suited for critical audiophile listening and casual enjoyment across various music genres.

ROTEL RA-212 具有经典的复古音质，表现出温暖、自然平衡和丰富的音乐性。清晰的中频在人声和器乐重现方面表现出色，顺滑的高音和紧致、控制良好的低音确保了全面的聆听体验。配备高品质唱放级和甲类设计，它提供了卓越的清晰度和音色细腻度，适合挑剔的发烧友聆听以及多种音乐风格的日常享受。
~Reviewers by Audio Forums!

SOUND QUALITY REVIEW（音色评测）:🤩
- Delivers warm, natural, and balanced sound, characteristic of vintage amplifiers.  
- Clear and detailed midrange, making it ideal for vocal and instrumental music.  
- Smooth and refined treble without harshness, providing an enjoyable listening experience.  
- Tight and controlled bass response, though not overly pronounced, suitable for various music genres.  
- High-quality phono stage ensures excellent sound reproduction for vinyl playback.  
- Class A design contributes to its rich tonal character and musicality.  
- Maintains low distortion levels, ensuring clarity even at higher volumes.  
- Well-suited for critical listening as well as casual enjoyment.

- 提供温暖、自然且均衡的音质，具有复古功放的典型特点。  
- 中频清晰细腻，非常适合人声和器乐音乐。  
- 高音顺滑细腻，无刺耳感，带来愉悦的听感体验。  
- 低音紧致且控制力强，但不过于突出，适合多种音乐风格。  
- 高品质的唱放级确保黑胶播放时的卓越音质。  
- 甲类设计增强了其丰富的音色和音乐性。  
- 保持低失真水平，即使在高音量下也能保证清晰度。  
- 适合严谨的音质欣赏，同时也适用于日常听音享受。  

DESIGN & TECHNOLOGY 设计与科技:
Input Stage:  
  - Uses NEC 2SC1222 transistors in the pre-amplifier section for Class A operation.
  - Incorporates the SANYO LA-3133 integrated circuit for the phono stage.
输入级：  
  - 使用日本电气 (NEC) 2SC1222 晶体管用于前置放大器部分，支持甲类工作模式。  
  - 集成三洋 (SANYO) LA-3133 集成电路用于唱放级。  

Output Stage:  
  - Equipped with SANYO STK015 transistors for the power amplifier section, operating in Class A biased mode.
输出级：  
  - 配备三洋 (SANYO) STK015 晶体管，用于功率放大器部分，采用甲类偏置模式。  

Technology and Design:  
  - Full discrete Class A circuitry for input and phono stages, ensuring high audio fidelity.  
  - Features multi-voltage transformers for power adaptability.  
  - Uses high-quality components like 1S1850 rectifiers for power stability.  
  - Includes variable resistors for balance, volume, treble, and bass adjustments.  
  - Integrated safety components such as fuses and circuit protectors.  
  - User-friendly design with switches for phono input selection, function selection, and power.  
技术与设计：  
  - 输入级和唱放级采用全分立式甲类电路，确保高音质表现。  
  - 配备多电压变压器，适应不同电源需求。  
  - 使用高品质组件，例如 1S1850 整流器，保证电源稳定性。  
  - 包括可调电阻，用于调节平衡、音量、高音和低音。  
  - 集成安全组件，如保险丝和电路保护器。  
  - 人性化设计，配有唱放输入选择开关、功能选择开关和电源开关。 
 
SPECIFICATIONS 规格:🧾
- Continuous Power Output: 10 watts per channel, min. RMS, both channels driven into 8 ohms from 50 to 20,000 Hz with no more than 1% total harmonic distortion  
- IM Distortion: not more than 0.2% at rated output, ±1 dB  
- Frequency Response: 15 to 50,000 Hz, ±3 dB at 1 watt per channel  
- Damping Factor: 40 at 1 kHz  
- Signal to Noise Ratio:  
  - Phono: more than 65 dB  
  - Tape, Aux, Tuner: more than 80 dB  
  - Residual: less than 1 mV  
- Input Sensitivity/Impedance (at rated output, 1 kHz):  
  - Phono (magnetic): 2.8 mV/47 kohms  
  - Phono (ceramic): 150 mV/100 kohms  
  - Tuner: 150 mV/50 kohms  
  - Aux, Tape: 150 mV/50 kohms  
- Output Level (Tape Out): 350 mV/3.3 kohms (5 mV input)  
- Phono Overload: more than 90 mV  
- Phono Equalization: RIAA standard ±1.5 dB  
- Crosstalk: 50 dB (overall at 10 kHz)  
- Bass Control: ±10 dB at 100 Hz  
- Treble Control: ±10 dB at 10 kHz  
- Loudness: +7 dB/100 Hz, +3 dB/10 kHz  
- General:  
  - Power Consumption: 100 watts  
  - Dimensions: 335 mm x 240 mm x 115 mm (W x D x H)  
  - Weight: 4 kg/8.8 lbs

REFERENCES 根据:🫡
1.https://www.hifiengine.com/manual_library/rotel/ra-212.shtml
2.https://rotel.com/sites/default/files/product/manuals/RA-212-OM.pdf
3.https://www.hifiengine.info/rotel/ra-212-tm.pdf
4.https://www.radiomuseum.org/r/rotel_integrated_stereo_amplifier_ra_212.html

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