DeonC

I would suggest trying to borrow something like the Dayton DATS kit and measuring the mid-bass drivers. Then measure the diameter and...

Yup, and the answer is Rubbol. My former house in SA has a West facing wooden double garage door that cooks in the afternoon sun. Used...

rubbol if it must be wood.  Nothing works as well.

The finished product: Only problem was picked up in that during the curing the surround must have shifted. When playing you could...

That looks like a Rega (or upgraded version thereof) tonearm on that TT. I would say R6k is a bargain.

Jacques is as knowledgeable as they get. Most of the forum members will refer to him to get estimates. If he says R6k, then R6k would be...

If you mount that Rega RB250 on this unit and follow the mods and tweaks that are available for it, you'll end up with a killer TT.

Jacques at The Turntable Guy would be your best bet at getting a true value on it.

No idea about this one. Unfortunately looks like a cheapie. If the base unit is good, it would definitely benefit from a tonearm upgrade.

If in a good condition, at least R4k, probably more.

They sold on the forum for between R1k and R1.5k. Very good turntable and especially susceptible to tweaks. It goes from good to great...

It just an old Ecko radio (before radios became small and portable). Probably uses tubes, but is in need of restoration.

Very, very carefully. I would suggest you find an amplifier tech that knows work on tube amps (maybe someone who works on amateur radio...

Get a decent electronics repair tech. He can replace it with a new jack. It might be easier and cheaper to source the new jack yourself.

A Quad 22 preamplifier. Goes with the Quad II amplifier in your other post.