YAMAHA經典靚前級，原裝日本220v, 非110.
極其精密的前級,從它的特性資料上可以看出其失真率之低
操作正常，但機頂超頂太多花痕，痴左張黑色carbon 貼。價錢也已反映。新舊如圖，荃灣/深井自取。請去我Facebook看試機片
試機片https://www.facebook.com/100019064328051/posts/300499730595502/
Frequency response: 5Hz to 100kHz
Total harmonic distortion: 0.003%
Input sensitivity: 0.5mV (MC), 2mV (MM), 120mV (line)
Signal to noise ratio: 70dB (MC), 85dB (MM), 100dB (line)
Output: 120mV (line), 0.775V (Pre out), 18V (Pre out Max)
Semiconductors: 2 x IC, 4 x FET, 63 x transistors, 23 x diodes, 7 x zener diodes
Dimensions: 435 x 72 x 320mm
Weight: 7.8kg
