Frederick, Larry "8000-Watt VW" Car Audio & Electronics February 1990: 78-82.
https://farm2.staticflickr.com/1868/...5003bc9f_b.jpg
https://farm2.staticflickr.com/1820/...3244d763_b.jpg
https://farm2.staticflickr.com/1897/...b121c33b_b.jpg
https://farm2.staticflickr.com/1871/...834e4fbc_b.jpg