Nice Cabinets, terrible sound (Seas Prestige FA22CRZ
Forgive me, I'm a new member and not really an audio maven, so if I misuse terminology or say something stupid, be gentle.
I took a flyer on some gorgeous walnut speakers at a thrift store. I'm not into these for much $, but I'd like to be able to use them for more than just end tables. But they sound dreadful, muffled, no real highs or lows, just flat midrange. They don't sound blown, just harsh and unmusical. They sound worse than my little Boston Acoustics CR7s.
I opened one up (super-tight box, very solid and well-made), and found to my surprise a fairly decent driver, a Seas Prestige FARCZ H1597-08. There doesn't appear to be anything wrong with it. One of these retails for quite a bit more than I paid for the pair. It also has a rear port, which used to be a front port -- there's a small block of wood covering the old front-facing hole. My guess is that the builder tried the front port, didn't like it, tried the back port, didn't like that either, and gave to the thrift store.
The cabinet inside dimensions are 15.875" H, 20.5" W, 12.5" D, which is 4068 cubic inches or 66.66 liters (minus the volume of the driver and the port tube). There's an inch or so of fiberglass batting stapled on all sides.
I want to make them sound better, but I know nothing about DIY speakers. Is the problem likely to be bad drivers, or bad cabinet or port design? Should I replace the drivers with a coaxial driver? Should I switch to a two-way design, maybe by mounting a tweeter in the former port hole? Should I block up the port, or change the tube length, or just leave the hole open? Should I fill the box with material? Or should I just go out and get some speakers that don't suck?
I have pics if you need to see them.