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i bet! they look great.

okay -- so on a scale of 1-10, you guys say that a forte (v I-III) is a 5 and a forte iv is a 5.5? so then, you guys are saying the upgrade isn't worth it?

according to the link below, the kit includes new crossover, new tweeter, new mid-driver, and two terminals (whatever that is). https://support.klipsch.com/hc/en-us/articles/10919293829780-Forte-IV-upgrade-kit-instructions

most people on the site don't speak dutch, here's the translation in english: Good day I have a pair of Klipsch AK1 only 1 horn creaks a little. What can I do about it? and maybe a modification would be a good idea? please provide as much information as possible (I found the klipsch in the attic

i don't own fortes but if you do a search on the upgrade, i think you'll find that people thought it was a bargain and a no-brainer (assuming you like your forte iii). there's no cheaper way to get a forte iv.

congratulations on the room and the speakers -- i bet the system sounds awesome!

what finish is on the rest of the speaker? kinda looks like a lacquer . . .

Uhhh. Definitely not a downgrade. Why would you think that it is?

They're Heresy 1s - based of the klipsch logo, most likely "1.5s" made between 80-84. If you post a pic of the label on the back, it would be helpful. Those look like they have a oiled walnut finish and are in great shape. Depending on your market and timing, they're certainly worth $600 at a minimum (I wouldn't take less if I were you). Where are you located?

good question . . . don't know. generally, where i am is pretty quiet except from about 7-830 am and then 4-6. during those times, i've got some school/commute traffic, but my phone doesn't go over 30db or so. then of course there's when the mowers and blowers are going . . .

22-25db according to my phone . . . .

sounds like a terminology/translation issue -- looks like 20k is simply the max. btw -- not sure a klipsch forum is the best place to go for help with a shanling product . . . .

I had the same on my 75 Heresys. It's just the oxidation of the brass cover. Just wipe it off - nothing to worry about. I love those tweeters.

if you can bend down and pick them up, they're heresys. if they are large and require a dolly for you to move them around, they are chorus.

the first two digits in the serial number indicate they were built in 1988. the rest is pretty easy -- k-77 tweeter, k-55-m midrange, al crossover. you can't see it obviously but there's a k-33 woofer. all of the drivers have ceramic magnets -- the drivers with alinco magnets were phased out by 1980.