I can't keep up with all of these scans Seb! AWESOME! I'll be back later to drool over the rest!!!!!!............................
Check out some of the HD Series Speakers from the late 70's Boodokhan, I've got the huge HD-880's and a few of the smaller units around here. The 880's are the type you'd expect to see in a frat house cranking Van Halen, they're about 4' tall and around 80 lbs each. I won't debate the sound quality but visually they are very nice along with a high quality build including aluminum trim rings and tone adjustments on the speaker panel. The speaker cover is a distinctive diamond shape that protrudes from the speaker instead of the standard flat. Sometimes a bargain due to local pick-up only, make sure they have the original drivers with the concave coil cover. Notorious for surround rot, the drivers are worth a ton on the used market.
I remember those speakers when they were new, saw them demonstrated in a local hifi shop. They packed a punch to say the least!
Several years ago, while I was a young traveling salesman, I was working over Wisconson and I found a neat little pinball and coin-op shop in the middle of no-where. I asked about any Flash Gordon Machines and the owner said a guy out in the country had a ton of pinballs, a few for sale, and he might have the elusive Flash Gordon. After getting his number and talking with him I went out to look at his machines. While his collection was very impressive taking up a full size basement, I was more impressed by a Marantz 2385 that he wanted to get rid of. At the time I passed on it but thought about it for a few weeks and when I was in the area next I ended up getting the Marantz, two HD-880's with speaker rot, and a very high end Zenith Mega -Watt Unit for 200 bones. Luckily I owned a small pick-up at the time since it took the whole bed to haul the equipment.