SET Asylum

• Don't know much about the 6C33C triode except that it's a DUAL triode... - jeffreybehr 14:38:44 12/23/06 (2)
  In Reply to: Re: "...found myself in a puddle of drool". I LOVE it! How 'bout an 845-based SET? posted by heyeugenio on December 23, 2006 at 11:59:04:

  ...so even a 6C33C-based single-output-tube mono amp might not be an SET.
  I suggest you save your money for 845- or even 805-based SETs. Buying something in between just pushes your eventual goal out further.

  Here's a pair of good, used AQ1006s for $2K... http://cls.audiogon.com/cgi-bin/cls.pl?ampstube&1171753535

  ...and here... http://cls.audiogon.com/cgi-bin/cls.pl?ampstube&1171910667 ...is a pair of 40-Watt, mono, unknown-brand 805-based SETs in Virgina for a grand or less.
  

  LOOKs good! 805 tubes are produced currently in China, and, in contrast to the 845, old-production 805s by RCA, etc., are actually affordable. When I owned ASL Explorer 805s (my 1st foray into SET bliss), I accumulated over a dozen US-made old tubes, some as inexpensive as $25.

  BTW 40 Watts is SEVEN dB more than 8 Watts; that ought to do it.
  
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  Tin-eared audiofool and obsessed landscape fotografer.
  http://community.webshots.com/user/jeffreybehr
  
  
  

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  • Re: Don't know much about the 6C33C triode except that it's a DUAL triode... - heyeugenio 06:01:37 12/24/06 (1)
    In Reply to: Don't know much about the 6C33C triode except that it's a DUAL triode... posted by jeffreybehr on December 23, 2006 at 14:38:44:

    Funny, I've been corresponding with that seller of the 805 monos. I told him that they look like meixing 805's and he could neither confirm nor deny...my gut guess is that they are but possibly re-badged as another maker. Nothing at all neg about the amps nor the seller, just wish I could find more info on the amps.

    I'm sure 845's are going to be my safest bet.

    I've heard mixed reviews of 805's with bass capability and control. I'd be more apt to listen to real-world feedback and experience. Any chance you could chime in with you foray with 805's and their grip on the lower hz or lack thereof?

    I actually auditioned an 805 based integrated with 300b's IIRC as the driver tube with my paradigms and was sadly disappointed. I was lucky to have a local seller post in "craigslist" and I brought my speakers over for a listen. This seller had some amazing equipment, huge horns that stood approx 8ft high and a gorgeous Micro Seiki with 3 tone arms...amazing gear etc. so I was really pumped up about the amp.

    30 secs. into the audition I had to check the wiring to make sure polarity and such was correct because I heard no bass at all. Further, I could hear the amp being taxed as the vocals and such became distorted as well as the mids when double bass was played; the amp just couldn't take the load.

    I politely listened for about 5 min more but unfortunately, I left that day and the seller was quite miffed that I didn't buy the amp...I made an excuse that there was probably something wrong with my speakers but I knew immediately that the amp was a no go.

    At any rate, this is my worry with 805 based amps...do you think the amp was bad and the seller was upset because I didn't get suckered into buying it or is this a characteristic of the 805 tube and med. efficient loads?

    Again, your feedback is greatly appreciated and I'm already seeing hope at the end of the tunnel for my beloved paradigms!

    Merry Christmas to all!
    
    

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    • I posted earlier--above--more info on my 805 experience, but one thing I LOVED.... - jeffreybehr 11:20:15 12/24/06 (0)
      In Reply to: Re: Don't know much about the 6C33C triode except that it's a DUAL triode... posted by heyeugenio on December 24, 2006 at 06:01:37:

      ...about the 805s and Quads was the quality and quantity of bottom-octave bass they would produce. Also, and I think contributed mostly by the speakers, ALL the bass info was of the same cloth, had the same sound, as all the rest of the frequency spectrum, and that was very high quality indeed.

      The ET8s are 3-way speakers with mag.-planar MR and tweeter and a normal, closed-box bass system with an 8" driver. I drive them initially with the 805s, full range. At low to medium listening levels, they sounded great--lack of bass was NOT a problem--but lack of overall power was; the amps simply clipped too much. Even driving only the MR and treble (the 8s are biwireable), the amps simply ran out of power too often.

      Those amps are now driving, very succesfully, the MR and tweeters of a pair of Genesis 350s.

      I can't even speculate on your experience with the integrated amp.
      
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      Tin-eared audiofool and obsessed landscape fotografer.
      http://community.webshots.com/user/jeffreybehr
      
      
      

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