回复 66# jacky70 的帖子
这套黑膠目前配置的是PORRAT77唱头,打算最终配置DENON103,103的输出只有0.3MV,所以必须增加升压牛。刚好遇到了德国原产BEYER升压牛,买下来。也好和手头的ORTOFON做个比较,看看到底是古董厉害还是现代的产品厉害。有关参数如下:
of Beyerdynamic input transformers model TR/BV 351 015 006. These have a step up ratio of 1:15, and are specified for 200:45,000 ohm impedance.
With the 45,000 ohm secondary these work very well as moving coil step-up transformers. They're especially popular with the Denon 103 series. They give a very clear, detailed sound, without seeming to either add or remove any low end warmth. Extremely nice, well behaved little transformers, and their small size is well suited to the very low output power provided by MC cartridges.
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