spaceysounds
New Member
Congrats on the fine speakers. Love the classic Infinity sound. I have RS5b, RSII, and a pair of RSIIIa coming from a fellow AK'r next week (weather permitting).
My RS5b had fiberglass in them, so I switched to poly-fill, just because.
Those woofers were designed to play in a sealed cab, so the air "spring" helps keep them from bottoming. A good seal is needed. I use rope caulk like the stuff AR used back in the day. Cheap at any hardware store and stays pliable for years.
Check the screws holding the tweeters together. Mine were pretty loose after all the years.
There's generic "Dynamat" out there. About 1/3 the cost, and it's the same thing. I've used it on two vehicles and a pair of DIY speakers. It certainly adds weight and damping. without taking up much internal volume.
Infinity used very high quality film caps, so like others have stated, just replace the electrolytic caps. You may want to clean the pots. They are pretty tough to get into. I measured mine and they are still smooth and accurate after all these years (RS5b).
FWIW they like a bit of clean power on tap. More the bettere, just be careful of the volume control. YMMV
i did put one of the cabinets back together and had a listen. it sounds pretty sweet for sure! definitely better than my RSb but 3 times better..? i will replace/upgrade all the parts in one cabinet first and then i can compare to the 'stock' cabinet. all my parts have arrived except the larger pots. i know i had a rough time with the pots on my pair of RSb, even though i took them apart and cleaned them they are still not working very well. i decided to order new pots for the RSlllb just in case i had the same problem but they seem to be working alright in the one speaker that i tested.