2021年1月27日 · For the first time, an international team of researchers has visualized the light-sensitive protein archaerhodopsin-3 (AR3) at unprecedented resolution using the I24 and B23 …

Archaeorhodopsin-3（AR3）是一种来源于古菌（Archaea）Halorubrum sodomense的光驱动质子泵。AR3属于视紫红质（rhodopsin）家族，这一类蛋白质在光的激发下会引发一系列生理反应。

2019年4月8日 · Archaerhodopsin-3 (AR3) 是七螺旋跨膜蛋白的微生物视紫质家族的成员，含有共价结合的全反式视黄醛分子作为发色团。 它在太阳光谱的可见光区（λmax 556 nm）显示吸 …

2020年7月10日 · Using this forum I learnt more about this process, what it meant had happened to the inside of the speakers and decided I would buy them. I secretly hoped I would end up …

2016年4月20日 · Send pictures of your AR-3 installations and give a description of the sound! AR-3 lacquered-mahogany mounted in office bookshelf with AR-3a (oiled-walnut finish) below. …

2004年9月29日 · Photos of the AR3 and AR3a tweeters and midrange drivers are shown. The original tweeters and midrange units have massive magnets that are about four times the size …

2024年12月4日 · I have a pair of AR3 speakers that I can not figure out what is going on. Here is what is happening. I replaced and rewired both speakers with pictures I...

AR3 Speaker-P Acoustic Research Inc.; Cambridge, MA, build 1963/1964, 6 pictures, United States of America , schematics, tubes, semiconductors, Loudspeaker

2005年12月27日 · AR3's are "bookshelf" speakers. And Classics of the first order. You have discovered a Hi-Fi product, that are among the finest transducers ever produced. Not perfect, …

2014年3月10日 · Here is a pic of my AR-2a's with some real retro grilles with gold threads. btw--I'm not using these in my vintage setup right now (AR-3a's are in there) but I really like the 2a. …