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详细的可以到BBC官方网站去找（现在没了谷歌，国内不好搜索，建议请国外朋友搜索）4 \: J( D& K# V
我这只有国内找到的丁点：
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# S3 K3 r5 u- C$ e; u! [the construction is of 12mm birch plywood with fillets of beech. $ R; t: E( Z( P" C
although no diffculty was found with this construction for original design (ls3/5), it was found that, for the LS3/5A, it was necessary to specify the wood more carefully than was originally thought necessary. the use of any type of hard wood such as Parana Pine for the fillets was found to be unacceptable as a clearly audible colouration was produced by a resonance of the L.F. unit on its chassis, and these fillets had insufficient mechanical impedance to reduce it ; this matter is reported in more detail elsewhere. ” |
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发表于 2018-1-9 16:41:45
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