|
Tubes Asylum Questions about tubes and gear that glows. FAQ |
For Sale Ads |
Use this form to submit comments directly to the Asylum moderators for this forum. We're particularly interested in truly outstanding posts that might be added to our FAQs.You may also use this form to provide feedback or to call attention to messages that may be in violation of our content rules.
Original Message
RE: Antique Sound Lab 6550 Tubes - made by ?
Posted by Blackdog on May 27, 2020 at 04:21:32:
They are Chinese, but they are not Shuhguang. At the time these were made, there were quite a few tube manufacturers in China. I can't remember the company, but they no longer exist.
Later ASL tubes were made by Shuguang.