Check out the custom horn speakers made by John Kalinowski. Excellent sound within your budget- true I sure do put my heart and soul into my builds. Have a few horn loudspeakers available.
Horn speakers for vintage sound
I’m currently looking for budget horn speakers in university that are similar to GIP or western electric size is no issue since it will be in the living room my budget is 5 grand if even possible or might even try build GIP speakers