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marems

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Posts posted by marems

  1. @Deang here is the schematic. Trey stated in another thread there were 3 xover reversions in the RB-75. I guess I will have to see how it sounds. If anything I will install 5ohm if I don’t like the sound... btw I love the 10ohm resistor mod in the RF-7’s you shared several years back, I did this to my RF-7’s as well and improved the sound significantly. 

    RB-75.pdf

  2. I am in the process of recapping and updating the stock resistors in my RB-75’s and I have  purchased all of the components to match the values I got from a schematic off of the Klipsch forums. However, My crossovers have 5 ohm resistors and not the 6 ohm resistors that were in the RB 75 crossover schematic. All of the other component values are the same, I was curious if anybody could tell me what this will do to the sound if I install the 6 ohm resistors instead of the 5 ohm. I understand the there were 3 crossover reversions. 

  3. 1 hour ago, SWL said:

    Cabs were probably leaking. If they're solid, they should have a full sound.

    Or the woofs were blown. Or the crossovers were bad. Or the mids were hooked up out of phase.


    I didn’t have any of those issues. I recapped the 30’s had updated the mids and tweeters to titanium diaphragms as well.. The 30’s are tuned to 36hz where as the 1st version CF-4’s were tuned to 32hz. 

    • Like 1
  4. Have had both the KLF-30’s and CF’4 ver.1’s at the same time. I do not have the 30’s anymore if that says something. I had the KLF-30’s at one time for a number of years prior to the CF-4’s. I did like the legends for home theater but not for music. They did not present a full sound like the Epics do. And the CF-4’s have a subwoofer bass sound to them, I recently had to check to see if my 115r sub was on (it was not) when I was playing my CF-4’s. 

    • Like 3
  5. I recently picked up a pair of RF3’s and after some jam sessions the tweeter in one of the towers is quieter than the other towers tweeter. Is this a sign of a diaphragm failure? Or is it the crossover network. I have not removed the diaphragm to test the impedance. I am hoping it is not the diaphragm because these are not available anymore 🙄 

  6. Hi Everybody!  I’ve got some first generation RF-7’s and I am running them off a McIntosh MC 352.  The question is, what is the normal impedance for the RF-7’s? Are they 6ohm or 4ohm?  I have ran them off the 4ohm taps ever since i got them due to what I had read about the low impedance dips they pull.  I just recently hooked them up to the 8ohm tap; and what I’ve found so far is the 8ohm tap gives a more in your face presentation with a slight sizzle sound to the highend compared to the 4ohm tap. The 8ohm tap also makes the Mac run slightly warmer to the touch..... 4 or 8 ohm tap?  I would like to hear some observations from those who have run 1st gen RF-7’s off autoformer Mac amps. Thank you! 

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