[greg_simons]

Originally Posted by martin.m

I have been reading this thread, on and off, since joining the forum in 2018. Here's my contribution, discovered accidentally. https://walkeraudio.com/product/blac...nent-crystals/
I hope this hasn't already been covered. These products seem to be at the budget end of the market though.

Budget end of the market you say?, I've seen good Radford amps change hands for less than the black diamond record clamp!, many thanks to all who contribute to this thread.