Jabbles180, The Yamaha sound bar is not going to give good sound, and needs to be replaced at some point. It is probably the reason your vinyl is bright.
You can do as you plan or save money for a integrated amp/receiver or preamp/amp and speakers. See if you can defeat the DSP.
If you have a budget, others can help you better with suggestions.
There are many directions to go from where you are now. Bandaids will seem like the way to go( ie. tube preamp) ,but you will be better off putting a nice low cost system together.
You can do as you plan or save money for a integrated amp/receiver or preamp/amp and speakers. See if you can defeat the DSP.
If you have a budget, others can help you better with suggestions.
There are many directions to go from where you are now. Bandaids will seem like the way to go( ie. tube preamp) ,but you will be better off putting a nice low cost system together.