2021年9月8日 · An international team has developed, assembled, and integrated a new set of receivers for the Atacama Large Millimeter/submillimeter Array (ALMA), the Band 1 receivers, which have now been installed for the first time in ALMA …

By adding the Band 1 receiver, which covers the lowest frequency band, 35 – 52 GHz (wavelength of 6 – 8.5 mm), ALMA increases its capacity to observe the universe. It will become possible for ALMA to detect the most distant and earliest star-forming gas reservoirs in the Universe, and the first steps of planet formation around nearby stars.

2021年9月8日 · An international team led by the Academia Sinica Institute of Astronomy and Astrophysics (ASIAA) has developed, assembled, and integrated the Atacama Large Millimeter/submillimeter (ALMA) Band-1 receiver in Taiwan, which has now been installed for the first time in an ALMA antenna in Chile and successfully achieved first light.

2020年5月16日 · Here’s a great story about Michaelson & Austin TVA-1 tube amplifier by Tom Nuyts from Ilumnia. “Out of approximately 2000 units ever made this original Michaelson & Austin TVA-1 is probably the most valuable still in existence. This TVA-1 was sold at Audiofan in Antwerp in 1980 and only used for about 10 hours.

2016年6月23日 · The Atacama Large Millimeter/submillimeter Array (ALMA) Board officially approved the production of Band 1 receivers developed by an international team led by the Academia Sinica Institute of Astronomy and Astrophysics (ASIAA).

For the time being the tubepreamp to drive the TVA-1 copy takes all the time available. The first attempt to make the TVA-1 was made 14 years ago. Look at: AR3a. It would be a great help if …

2008年10月7日 · Anyone who know where to find the complete circuit for the TVA-1 "Export" amplifier made by Michaelson & Austin? - Would like to have Schematic for both channels A + B. In Jean Hiraga's book called " Tubeamplifiers" ( most original) the A channel is shown - would like to have a photo copy of the original complete amplifier TVA-1 as well.

M&A TVA 1 - Component list (original schematic, rev 3, review photos - Repair Case 7, actual TVA-1 purchased from Emporium HiFi)

2021年8月31日 · 胆艺轩 [Tubebbs]论坛 采用TVA-1电路来制作一部胆机，现在还没有机箱和全套牛，机箱和牛打算全部自己做，所以制作过程会长些。 原理图如下：2013-12-12 17:16 ... - Discuz! Board.

2024年3月31日 · I'm having a clear-out of amplifiers collected over the last 30 years...so watch this space! The infamous Michaelson & Austin TVA-1. Needs no intro, but it's a sought after amplifier especially if you're a fan of TdP.