Quote Originally Posted by spendorman View Post
These Belling Lee plugs used to be supplied with Quad amplifiers, in decades of use, never had a problem

Speaker-Plugs-4Mm-Belling-Lee-L378A4-Red-blk- by A60man, on Flickr
nice plugs (hefty silver plate) also work for years/maintain tight connection - even after suffering years of abuse from thousands of school kids in physics lessons