VintageChief - Awesome pair of vintage (1976) IMF TLS 50 II transmission line speakers. It's a matching pair including the original speaker grills and metal stands. | Facebook
![Does anyone know anything about these? I picked them up at a thrift store a couple of years ago and I took the time to see if they work today. Great sound Does anyone know anything about these? I picked them up at a thrift store a couple of years ago and I took the time to see if they work today. Great sound](https://i.redd.it/qgcxngbfs0c71.jpg)
Does anyone know anything about these? I picked them up at a thrift store a couple of years ago and I took the time to see if they work today. Great sound
![FS: Kef 4 way Transmission Line speakers, IMF TLS80 style feat B139, B110, T27 Coles 4001G | Stereo, Home Cinema, Headphones Components FS: Kef 4 way Transmission Line speakers, IMF TLS80 style feat B139, B110, T27 Coles 4001G | Stereo, Home Cinema, Headphones Components](https://soundmediagroupau.s3.ap-southeast-2.amazonaws.com/monthly_2022_07/A6D51E79-5607-43EF-8867-6748BE873243.jpeg.bfb554b4967ec08cda1d927bc24d05c3.jpeg)
FS: Kef 4 way Transmission Line speakers, IMF TLS80 style feat B139, B110, T27 Coles 4001G | Stereo, Home Cinema, Headphones Components
![Hi-Fi History: The IMF Reference Standard Professional Monitor | The Transmission Line Speaker - YouTube Hi-Fi History: The IMF Reference Standard Professional Monitor | The Transmission Line Speaker - YouTube](https://i.ytimg.com/vi/Oa-V41bq4rE/mqdefault.jpg)
Hi-Fi History: The IMF Reference Standard Professional Monitor | The Transmission Line Speaker - YouTube
![IMF Audio Studio Monitor Transmission Line Loudspeakers IMF Studio Monitor Transmission Line Loudspeakers IMF Audio Studio Monitor Transmission Line Loudspeakers IMF Studio Monitor Transmission Line Loudspeakers](https://www.audiog.com/folders/listings/expired/2769/1.jpg)