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| [#21] 研究J形，S形，直臂的特色 唱臂歷史上不可漏了Dynavertor質量分離形唱臂DV-507. 未用過唔知聲音比普通唱臂有冇優勢，不過我看到了一個問題，考下tony兄可以講出來嗎？(mcwk兄太勁，應該一早知)  |
孟波 正式會員123.xxx.xxx.186 |
2012-06-20 19:16 | |
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| [#22] 研究J形，S形，直臂的特色 你考起我喇，唔識。 |
fomhk 正式會員 14.xxx.xxx.199 |
2012-06-20 20:01 |
| [#23] 研究J形，S形，直臂的特色 tony兄： DV-507副臂太短，不同唱片厚度和炒魷魚碟對VTA影響相對普通臂會大好多。 |
孟波 正式會員 123.xxx.xxx.186 |
2012-06-20 21:44 |
| [#24] 研究J形，S形，直臂的特色 Hi Ball Sir. Glad to see your thread! Did setup FR14 in LP12 for few months, that just fit ( Dimension) and because of the length of FR-14 and LP12 isn’t a big TT so the mounting hole must be quite accurate if you still need the lid on. Dynavector ? Like Souther? But for the level of this kind user should know how to solve it and also it applies Dynamic balance also very good for short arms. Copy and paste. By J.K.Stevenson  最後修改時間: 2012-06-20 21:50:38 |
et2 正式會員 124.xxx.xxx.95 |
2012-06-20 21:47 |
| [#25] 研究J形，S形，直臂的特色 et2兄： 好耐冇吹水。 你copied張圖有埋算式，好pro呀等我睇真下識唔識先....:) 講起DV-507其實我唔係踩佢，係用唔起酸葡萄作怪搵D野安慰自己唔好恨姐，騎騎。 我之前都同你提過，VTA有其寬容度，我從來唔會每唱不同唱片都校下VTA，所以DV-507呢方面在實用上可能問題唔大。 |
孟波 正式會員 123.xxx.xxx.186 |
2012-06-20 22:01 |
| [#26] 研究J形，S形，直臂的特色 近代唱臂都係以直臂為多，我個人認為廠仔生產這類結構既唱臂會容易好多，聲音優勢就真係片過至知。 最後修改時間: 2012-06-20 22:33:59 |
孟波 正式會員 123.xxx.xxx.186 |
2012-06-20 22:29 |
| [#27] 研究J形，S形，直臂的特色 Ball sir of course I know you're not 踩佢. It was one of my targets long times ago when I thought about that my last tonearm. But now it also the 酸葡萄 to me too Ball sir use your thread to share some photos just two days ago. Thanks!  |
et2 正式會員 124.xxx.xxx.95 |
2012-06-20 22:32 |
| [#28] 研究J形，S形，直臂的特色 嘩！粒鑽石好大粒呀。幾多卡？^^ |
孟波 正式會員 123.xxx.xxx.186 |
2012-06-20 22:35 |
| [#29] 研究J形，S形，直臂的特色 Ssssh... Don't tell my wife, its for my girl friendssss.... The tonearm.... |
et2 正式會員 124.xxx.xxx.95 |
2012-06-20 22:40 |
| [#30] 研究J形，S形，直臂的特色 孟波兄, The Dynavector 507 is an interesting design, and other than the issue you have mentioned, I think the even more interesting thing is that it is purposely design to have a much heavier horizontal moving mass (by the heavy main arm and the electro-magnetic damping) than the vertical moving moving mass! When talking about linear tracking arms, like the ET2, people usually comment that they have a very different horizontal (heavy) and vertical (light) moving mass, and this is suppose to be a bad thing. The funny thing is 2 of few brands that make both arms and cartridges incorporated this characteristic into their flagship arms: the Clear Audio linear tracker, and this Dynavector 507. It is especially apparent in the Dynavector, as it is not necessary, but they purposely built that in! Maybe these manufacturers know some we end user don’t! |
mcwk 正式會員 202.xxx.xxx.61 |
2012-06-21 09:29 |
| [#31] 研究J形，S形，直臂的特色 """Maybe these manufacturers know some we end user don’t!""" funny u said that. i cannot name any chinese who has designed a great tone arm and selling like hot cakes !!! |
cpu8088 正式會員 115.xxx.xxx.214 |
2012-06-21 09:38 |
| [#32] 研究J形，S形，直臂的特色 mcwk兄： 關於Dynavertor質量分離式設計，我在30多年前DV-505的介紹記得，設計者認為唱臂的水平動作方向mass要夠大，使支臂有穩定既動作基礎，而垂直方向要夠靈敏，mass細和短臂管(慣性低)有助循跡。 ET-2雖然都有水平動作mass大既特性，不過恐怕是結構上的副作用，不是如Dynavertor般故意設計。 從動作上Dynavertor應該比et2較易對付偏心唱片。 最後修改時間: 2012-06-21 12:09:06 |
孟波 正式會員 123.xxx.xxx.186 |
2012-06-21 11:56 |
| [#33] 研究J形，S形，直臂的特色 講起ET2臂應該由et2兄開壇講解下先，et2兄請分享下等大家學下玩氣浮臂啦。 謝謝！ |
孟波 正式會員 123.xxx.xxx.186 |
2012-06-21 12:54 |
| [#34] 研究J形，S形，直臂的特色 Ball sir, Don’t play me please! A lot of linear tonearm user here but just they don’t want to say much. As a long time user of ET2 actually I never consider the horizontal mass as the most important thing to be solved, although its RF (resonance frequency) is about 3Hz to 4Hz lower than vertical RF. Even the Horizontal RF sits in between 5 to 8Hz , mine ET2 tonearm still have no problem to play my LPs, because of the wrapped LP normally just against the vertical motion ( and also you can use the stabilizer no matter vacuum or weight like VPI or Oracle) . Off centre LPs is a little bit problems for air float linear arm because of the inertia, but if you choose a right phono cartridge, this is also not a problem. For air float linear tonearm of course leveling is the most important thing, the second is the air supply system Low pressure type is easy, high pressure type you have to use a compressor and it will generate the noise, but higher pressure will create harder air bearing……. Too many things to talk about…. bala, bala, bala…. Anyway air float linear tonearm not as hard to use as people think, and they are quite stable after you set it up, just take a little bit time to choose the cartridges and TT.  |
et2 正式會員 58.xxx.xxx.77 |
2012-06-21 15:55 |
| [#35] 研究J形，S形，直臂的特色 et2兄： 行家一出手，便知有料到。堅！  |
孟波 正式會員 123.xxx.xxx.186 |
2012-06-21 16:15 |
| [#36] 研究J形，S形，直臂的特色 et2兄： 小弟未玩過氣浮臂，想像下係咪如果個盤水平有些許偏差時，支臂係咪會片左片右唔停？如果裝浮盤會唔會好難調校？ 謝謝。 |
孟波 正式會員 123.xxx.xxx.186 |
2012-06-21 16:27 |
| [#37] 研究J形，S形，直臂的特色 Ball Sir, 片左片右唔停 only happened on off centre LPs. 浮盤 & DD they are the same, but 浮盤 you have to setup the sum of all the springs up and down only, if not that’s a nightmare of the air float Tonearms. So for 浮盤 is better to use heavier type. |
et2 正式會員 124.xxx.xxx.19 |
2012-06-21 17:50 |
| [#38] 研究J形，S形，直臂的特色 講開唱臂水平和垂直動作既話題，不得不提30年前日本LUXMAN的構思。 LUXMAN認為如果一支唱臂只有水平動作，而垂直上落動作是固定的，唱頭拾音時是最有效將片紋振幅100%傳到針桿上。 這獨特方法先要解決面對的問題，如不同唱片厚度，遇上不平坦(炒魷魚)的唱片唱臂不能隨片上落循跡等。 LUXMAN對此開發了真空吸力唱盤，希望解決唱片不平坦的問題，但後來這研究卻沒有繼續下去，反而真空吸力唱盤就成為LUXMAN的一項發明。 et2兄： 小弟打字太慢，原來你已經出了post. THX. 最後修改時間: 2012-06-21 18:11:30 |
孟波 正式會員 123.xxx.xxx.186 |
2012-06-21 18:01 |
| [#39] 研究J形，S形，直臂的特色 Ball Sir, “LUXMAN認為如果一支唱臂只有水平動作，而垂直上落動作是固定的，唱頭拾音時是最有效將片紋振幅100%傳到針桿上。” I buy this, but even vacuum still not 100% flat, that depends on the wrapped LP, but it can solve most of the LPs. The problem of the vacuum TT they are too expensive. Another good sample is the kind of VPI stabilizer. From my memory seems AM & AT also got the vacuum stabilizer but never tried. Cheers |
et2 正式會員 124.xxx.xxx.19 |
2012-06-21 18:36 |
| [#40] 研究J形，S形，直臂的特色 波Sir，小弟愚見，是不是14臂管的Mass不及64，把尾鉈置則是把臂的inertia增加而減彽momentum？這或許可使14能配合低compliance的唱頭。(完全老作) |
ZeeZee 正式會員 123.xxx.xxx.3 |
2012-06-22 01:09 |
