![Visual evidence Tung-Sol 5998 = Western Electric 421 | Page 6 | Headphone Reviews and Discussion - Head-Fi.org Visual evidence Tung-Sol 5998 = Western Electric 421 | Page 6 | Headphone Reviews and Discussion - Head-Fi.org](https://cdn.head-fi.org/a/11312061.jpg)
Visual evidence Tung-Sol 5998 = Western Electric 421 | Page 6 | Headphone Reviews and Discussion - Head-Fi.org
![Visual evidence Tung-Sol 5998 = Western Electric 421 | Page 8 | Headphone Reviews and Discussion - Head-Fi.org Visual evidence Tung-Sol 5998 = Western Electric 421 | Page 8 | Headphone Reviews and Discussion - Head-Fi.org](https://cdn.head-fi.org/a/11956089.jpeg)
Visual evidence Tung-Sol 5998 = Western Electric 421 | Page 8 | Headphone Reviews and Discussion - Head-Fi.org
![Visual evidence Tung-Sol 5998 = Western Electric 421 | Headphone Reviews and Discussion - Head-Fi.org Visual evidence Tung-Sol 5998 = Western Electric 421 | Headphone Reviews and Discussion - Head-Fi.org](https://cdn.head-fi.org/a/11956134.jpeg)
Visual evidence Tung-Sol 5998 = Western Electric 421 | Headphone Reviews and Discussion - Head-Fi.org
![WE 421a - Black Plates from 1967 | WE 5998/421a - Grey Plates from 1954 | Chatham 5998 from 1960 | Tung-Sol 5998 from 1966 | What's Best Audio and Video Forum. The Best High End Audio Forum on the planet! WE 421a - Black Plates from 1967 | WE 5998/421a - Grey Plates from 1954 | Chatham 5998 from 1960 | Tung-Sol 5998 from 1966 | What's Best Audio and Video Forum. The Best High End Audio Forum on the planet!](https://www.whatsbestforum.com/data/attachments/66/66958-fd3bba92be72ac5b2c953ee6bab9850f.jpg)