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  1. Klipsch Announcements

    1. Klipsch News

      Important news pertaining to Klipsch will be posted here.

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    2. Klipsch Pilgrimage 2020

      Watch this space for announcements/info about the 2020 Klipsch Pilgrimage!

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    3. Klipsch Website & Forum Info

      Klipsch Website and Forums news. This section of the forums is strictly for technical questions related to these forums or other Klipsch websites.
      Please see one of the many other sections of the forums to post any other kind of topic. For specific Klipsch product assistance, visit: https://support.klipsch.com.

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  2. Klipsch Museum of Audio History

    1. Klipsch Museum: News & Announcements

      Any news or announcements related to the Klipsch Museum of Audio History will be posted here.

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    2. Ask the Historian

      Got a Klipsch history question for historian Jim Hunter? Ask here! 

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    3. Klipsch Museum: General Discussion

      Let's talk about the museum here!

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  3. Klipsch Audio

    1. General Klipsch Info

      Talk about any other Klipsch Audio products and accessories here.

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    2. 2-Channel Home Audio

      Talk about stereo amp and speaker matching here.

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    3. Home Theater

      Talk about Klipsch Home Theater products and setups including Floorstanders, Bookshelf Speakers, Soundbars and more here!

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    4. Subwoofers

      Scratch that "low-end itch" with talk about subwoofers of all types.
      Hz so good.

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    5. Architectural

      Talk about custom Home Theater designs and our Klipsch Architectural products here.

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    6. Klipsch Pro Audio

      Talk about our Pro Audio and Cinema products here.

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    7. Technical/Modifications

      Talk about updating & modifying older speakers and other technical/electronic information here.

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    8. Headphones

      Talk about our in-ear and on-ear headphones here.

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    9. Personal Music Systems

      Talk about our KMC Music Systems, Portable Systems, Computer Speakers and legacy iPod speakers here.

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    10. Talkin' Tubes

      Talk about that sweet warm tube sound.

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    11. Solid State

      Solid-state ONLY posts here please. Keep that tube stuff to that "other" subforum. ;-)

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  4. The Klipsch Joint

    1. Garage Sale

      Have audio-related equipment to sell? Post here!
      Remember, Klipsch is not responsible for resulting transactions - buy with caution! No dealers, please.

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    2. Lounge

      Talk about almost anything that's on your mind here. Sports, News, Music, Movies, Gaming, Computers, etc.

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  • Recent Topic Activity

  • Recent Posts

    • I have not decided on the 12AV7 input configuration yet. I'll probably do an SRPP/Totem Pole running at 300V on the plate. This way I'll get a 150V bias point which looks pretty good for a decent voltage swing (drive). 21VRMS (60-PP) is not that much. I usually bias my input tubes between 1.75V and 2V for some headroom depending on the tube and other factors. 
    • Nick, how are you planning on configuring the 12AV7?  Getting around 21V rms from one section to fully drive the 6Y6 as used in the Sweetie will bring the distortion of the 12AV7 into the 5% range.  This is not a bad thing in my opinion.  You could set up the 6SJ7 for minimum gain to allow use of your preamp and minimize driver distortion if desired.   Maynard
    • Tube rolling: Believe this done with the smaller input tubes, not the output tubes.  It can be an interesting place for your next $100 upgrade and will affect the sound.  Also good to leave well enough alone, those input tubes not as likely to degrade as fast as the output tubes.   I once demoed a vintage class A amp, a Pioneer M22:  It had virtually no sound and I luckily flipped it right away.
    • I have a stash of these types as well, since they stopped making all the low noise transistors about 10 years ago. These Fairchild devices seem to work well for new designs as well as replacements. In a lot of cases, you can use 2N5551/2N5401, but even these have become "obsolete" recently, at least the standard TO-92 package. 
    • Although I know a couple of guys who have modded the CW IV xover and were very happy with the results, when I owned them I didn't feel there was any need to do such a thing. If there are aspects to the sound you are getting that don't agree with you, try:   repositioning the speakers better source and amplification   If these don't work, just move on to a speaker you enjoy more. Modifying a 30 yr old speaker is one thing. But modifying the modern CW IV will drastically reduce their resale value. IMHO....
    • One of my favorite "rappers" is a Japanese lady, can't understand much of what she is saying ( but there is always some English ), but she has the gift of the flow. 
    • All excellent points above.     My take is better tube amps sound more like solid state and vice versa.   Also, always amazed amps all sound differently, although some may be similar to others.   Finally, tube amp, solid state preamp, or vice versa, either approach works well.   In closing, know your preferences and trust your ears.
    • Not so sure about more distortion. There are many tube amplifiers that have really good numbers, if a number is what one is chasing. Horns work well with tubes and the very low power they need means a well designed tube amplifier is going to have a very low distortion number. Below what really matters. For instance does a .0005 number sound better than .05. Not really. Then there is the kind of distortion. Most tube amplifiers low distortion number is going to be predominantly 2nd and 3rd harmonic which can sound pleasing to many whereas a SS amplifier distortion is of a higher order which is very offensive. One reason SS must have low distortion numbers to sound good. Nelson Pass has admitted in some of his amplifiers he intentionally created a little 2nd and 3rd harmonic. He also has said many times that for years he designed amplifiers with low distortion numbers but now he creates what sounds best to him. When you get into high end amplifiers you are buying what the designer thinks sounds best to his ears. It's entertainment not all science.   Jean Hiraga I believe is the first to say an amplifier sounds best to him with a little 2nd harmonic and a touch of 3rd. 
    • Whether folks on here like it or not, it's a fact that tubes ARE more coloured and DO produce more distortion - it's not an opinion, it's a fact. Whether you like the sound of tubes is another matter, I've been there; it totally depends on your speakers. Also, with using tubes there are so so many variables. Tubies go on and on about 'tube rolling'! WtF is that about. If SS owners could as easily change their output devices, there'd be another forum on that! Like a stylus, a tube wears out, and wears so slowly that you don't notice it until it fails or you replace with a new(er) one. I don't like variables or unknowns in equipment, so I now stay with SS. I acknowledge that tube amps do have something, and when I say that to peole they say yes, distortion, which is correct, but with the right speaker, they can sound,,,, I resist saying better, but, different. I have a SS amp driving my Magnepan (yes, not Klipsch) 1.7i's, and Jazz sounds wonderful, in the room real, and several of my Jazz musician friends also think so too. Amps and speakers are a pairing, and should be thought of as such, and one is chosen with the other in mind.
    • Thinking about getting old, you should listen to John Prine's 'Hello in There'.
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