转帖：民谣吉他使用开声器的前后音频对比 原帖名字：Tonerite 開聲器 - 有人用過嗎？
原帖名字：Tonerite 開聲器 - 有人用過嗎？原帖地址：http://www.fingerstylechina.com/viewthread.php?tid=43124
原帖楼主burpingboy 的内容：
我來自新加坡。
最近有一個來自美國的發明，在新加坡的木吉他玩家圈子中常常被討論，就是Tonerite開聲器。http://tonerite.com/guitar/vmchk
理論上是把tonerite放在琴弦上，利用tonerite發出的微弱的震動來仿效彈吉他的效果，連續24小時無間斷的震動就有顯著的效果，能加速讓單木吉他開聲。
請問中國有沒有人試過？
這個網站（http://www.bgwguitars.com/data/acctonerite.htm）上，有上載吉他在tonerite之前和之後的音像。
本人曾嘗試過7天的tonerite療程，感覺上在tonerite之後，sustain以及敏感度上，有顯著的效果，但是也不敢確定這是不是心理作用……
更多的討論：http://www.guitar4christ.com/modules.php?name=Forums&file=viewtopic&t=27458 楼主能不能把英文网站关于这个开声器的大意给翻译一下？谢谢。 http://www.bgwguitars.com/data/acctonerite.htm
这个大致说的是这个东西可以加速play-in（不知道怎么翻译。差不多就是进入状态的意思吧。）的进度。能在三天内显著提升音色和共振的效果。其他大都是广告性质的内容。倒是那个包装袋的挂牌上写的是美国设计并手工制造。。。
http://tonerite.com/guitar/vmchk
这个也都是些广告性质的内容。说是能增加平衡性。音量。它说由于吉他是用许多来源不同的木料组合而成的。所以这个东西的奥妙就在于能使吉他更好地共振。还说这东西不能让坏琴变NB。只能让好琴表现出其NB的潜能。。。
基本都是广告内容吧。对于工作原理没有什么介绍。 这个比较深奥了，研究 http://bbs.pianoera.com/viewthread.php?tid=35787 海外工程師的回覆
This is my $.02 FWIW. The theory is...when a guitar is built, a certain "preload" is built into the guitar, just by virtue of the bending of the wood, and the glueing process. This leaves the brand new guitar stiff and "tight". This carefully kiln dried tonewood has not yet had any time as a resonator, or "vibrating natural amplifier", for the frequencies generated at the point of the bridge. As the strings transfer their energy thru the bridge, and then to the soundboard, the soundboard vibrates...a little. The "spaces' between the wood fibers are still very tight, because the wood has not had experience as a "vibrating sound amplifier". As you play the instrument over the years or...(according to the claims of this maker, use the gadget on the instrument), the more you vibrate the soundboard, and the more those repeated vibrations tend to push around or, compact, the fibers of the tonewood together, "opening up" the spaces in between the fibers, making the soundboard more pliant, increasing the amplitude of the soundboards movements, moving more air, increasing volume, "breathiness", and a certain percieved improvement in the tone of the instrument. If you have ever bent a piece of aluminum rod stock back and forth several times, you will see cracks open up where you have bent the aluminum. This process is called "work hardening" when it comes to aluminum, and is not the same process which happens to the tonewood, but visually, it demonstrates how flexing a material with an even, or consistent density, like aluminum, creates certain desirable inconsistencies of density, in the case of wood between the "rings" of the tree from which your soundboard was cut. Perhaps I should instead say, that the vibration process "enhances" the inherent inconsistencies of density between the annual growth rings in the wood used in your soundboard. It is those inconsistencies which cause a thin piece of softwood like let's say, spruce, to flex under load, more than the equivalent thickness of a hardwood like oak, which would flex more than the equivalent thickness of an even denser material like steel. Aging is a different qualitative agent involving oxidation, and other factors you could call entropy (also allowing the instrument to "relax" over time) which I believe works in synergy with the playing of an acoustic instrument to improve it's tone and volume. In other words, older instruments USUALLY sound better than new ones, within reason. Apologies for the tech speak, but, since you mentioned you are a scientist (I'm a retired engineer)...this also explains why the famous Stradivarius instruments are so valuable today. They have had centuries of playing and aging to open up! Also, as an aside, the chemical compositions of the varnishes he used, seemed to produce an unparalleled quality of tone, as the varnish worked into the woods he used, this composition over time seemed to actually change the molecular structure of the wood, and luthiers have been trying to duplicate his secret compositions ever since! Though long winded, I hopes this helps. I'm not a scientist, but I did stay at a Holiday Inn Express 表演者的回覆
I've played guitar professionally for 40 years. The instruments I gig with are in excellent playing condition. My two main gigging guitars are newer Larrivees. I have retired my Martin from the road. The Larrivees play well and sound great. It is also well-establablished that vibrating an acoustic instrument (especially a newer instrument) can noticeably improve its tone. A trick that's been used for years is to set a guitar in a stand in front of a home stereo speaker and let the music you listen work its magic. There's an extensive article on the topic in the August, 2010 issue of Acoustic Guitar magazine, "Why Your Guitar Improves With Age." It explains the science of why guitars get better with time and how to speed the process. There's not much question that vibrating an instrument can improve its tone. Still looking for some thoutful input. Dildo? Who knows. I like the creative input.
posted by wsg at 12:59 AM on August 22, 2010 http://ask.metafilter.com/162895/Tonerite-for-acoustic-guitar-substitute 我和我朋友的亲身经历：2010 Vilaplana Excellence，用了tonerite3天以后声音大幅度改善，肯定不是心理作用，因为我对这把琴非常了解了。主要是体现在共鸣效果上，音色方面改变不大；据说明书上说低震频有助于让声音变甜，高震频有助于改善反射和音量，相信他用的应该是高震频吧。
但是这个东西无法去提升吉他超过吉他本身的品质，所以对于非面单，甚至非全单的吉他应该没有特别大的意义。 我和我朋友都有这个玩意，还是非常好的
效果非常显著 为了解开声器是否这的有用，俩月前我买了一个。
个人感觉确实有用，开声效果明显。非常喜欢这小玩意儿。但是需要连续用3天以上才有明显的效果。我自己的某只琴加起来差不多开了100小时。现在状态非常棒。 神奇的东西！有点意思。 这玩意儿我有一个，有科学根据，真的有效。
罗老
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