The Love of Turntables and The Organization Of An Audio Room

A bit crowded. 

The three TT's look great.

Pretty sure if you only had two, you would hanker for another.

I've managed to cull mine down to 2 in the system and a project/spare.

As far as the Dynavector's go, I've had quite a few over the years, I have noticed the pillar bearings are generally not great, but if the arm is balanced correctly this does not seem to matter. Rather than use the counterweight markings, I set the cartridge tracking force to 0, and move the main counterweight until it the arm floats freely, and I can see it moving in the breeze. When you see this you see the beauty of the dual axis system.

The Dynavector arm cables on the early arms 505, 501, 507mk1 are very average - I never use them. The arm cable on the 507mk2 is much better.

The only other problem I've seen are poor quality headshell bayonet fittings. In one of my 501's I had to take the headshell bayonet off and machine the face square so the head shells were stable when tightened.

I am also more in line with @ghdprentice but respect those who want more TTs. I think one of your problems is the many small pieces of furniture. If you want to go all in on multiple TTs, have the furniture that helps with it. I would get rid of the credenza and the couple of short vinyl shelves, and have a long support built. possibly 1-2 rows for records below, on top the TTs. You may even consider putting TTs on top of one another on different levels of floor standing shelves, or have some floating wall mounted shelves.

Fewer furniture items will make for a cleaner look and in the end be more space efficient.

If you are somewhat handy, making some support structure out of hardwood is not that difficult. Or maybe your son can help with it?

I am grateful to have an understanding wife who knows how much I love having a dedicated audio space. That being said, the space is small and I also love having other gadgets on my audio rack, besides turntables. With that in mind, I have always had only one table in my system at a time. I rely on having removable headshells, despite the added mass and etc., so I can indulge my tastes in different sounding multiple cartridges. I would love to have more than one turntable, but it's easier to store a second or third headshell with a mounted cartridge.

When I had the dp80 side by side with sp10 mk2, I preferred the dp80 by a narrow but audible margin. (Both were fully serviced calibrated, recapped, etc. The late Bill Thalmann did the work and also replaced the OEM transistors in the dp80; there are modern equivalents with better reliability.) That led me to sell the Technics, but I subsequently acquired an NOS MK3. I admit my motivation in addition to that of music lover is vintage gadgets.

More cowbells and get a bigger credenza. Just be glad you are not one of those guys who have 40 vintage monster receivers in their basement collection. but if you do find yourself going in that direction, remember the difference between a hoarder and a collector is a collector curates their stuff.