【Brand & Description】 This is a step-up transformer from entre, a domestic brand that flourished in the 70s and 80s, continuously releasing high-quality cartridges and transformers. This transformer boasts a punchy, deep sound quality and a robust casing. ■ Model: MC cartridge step-up transformer ■ Serial No.: 10176 ■ Primary Impedance: 3/40Ω ■ Secondary Impedance: 4kΩ ■ Load Resistance: 47kΩ ■ Step-up Ratio: 36dB (3Ω) / 30dB (40Ω) ■ Frequency Response: [Not specified] ■ Channel Separation: 60dB ■ Total Harmonic Distortion: [Not specified] ■ Weight: 2.2kg ■ Dimensions: W16.1 x H7.7 x D14.0cm ■ Release Date: 1984 ■ Discontinued: Around 1987 ■ Price: ¥88,000 ■ Notes: Price is from around 1984. 【Condition】 There is a slightly whitish area on the top, but otherwise, it is in very beautiful condition. The unit has a considerable weight for its size. It will be carefully packed with cushioning material before shipping. If purchased by 3 PM, it will be shipped the same day. Purchases made after that time will be shipped the next day. Thank you for your consideration. #entre #et-300 #MC Cartridge #StepUpTransformer #Audio #PhonoEqualizer #Analog #Record